File: | out/../deps/openssl/openssl/crypto/bn/bn_nist.c |
Warning: | line 602, column 9 Value stored to 'carry' is never read |
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1 | /* |
2 | * Copyright 2002-2022 The OpenSSL Project Authors. All Rights Reserved. |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at |
7 | * https://www.openssl.org/source/license.html |
8 | */ |
9 | |
10 | #include "bn_local.h" |
11 | #include "internal/cryptlib.h" |
12 | |
13 | #define BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8) (192+BN_BITS2(8 * 8)-1)/BN_BITS2(8 * 8) |
14 | #define BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8) (224+BN_BITS2(8 * 8)-1)/BN_BITS2(8 * 8) |
15 | #define BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8) (256+BN_BITS2(8 * 8)-1)/BN_BITS2(8 * 8) |
16 | #define BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8) (384+BN_BITS2(8 * 8)-1)/BN_BITS2(8 * 8) |
17 | #define BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8) (521+BN_BITS2(8 * 8)-1)/BN_BITS2(8 * 8) |
18 | |
19 | /* pre-computed tables are "carry-less" values of modulus*(i+1) */ |
20 | #if BN_BITS2(8 * 8) == 64 |
21 | static const BN_ULONGunsigned long _nist_p_192[][BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)] = { |
22 | {0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFEULL, 0xFFFFFFFFFFFFFFFFULL}, |
23 | {0xFFFFFFFFFFFFFFFEULL, 0xFFFFFFFFFFFFFFFDULL, 0xFFFFFFFFFFFFFFFFULL}, |
24 | {0xFFFFFFFFFFFFFFFDULL, 0xFFFFFFFFFFFFFFFCULL, 0xFFFFFFFFFFFFFFFFULL} |
25 | }; |
26 | |
27 | static const BN_ULONGunsigned long _nist_p_192_sqr[] = { |
28 | 0x0000000000000001ULL, 0x0000000000000002ULL, 0x0000000000000001ULL, |
29 | 0xFFFFFFFFFFFFFFFEULL, 0xFFFFFFFFFFFFFFFDULL, 0xFFFFFFFFFFFFFFFFULL |
30 | }; |
31 | |
32 | static const BN_ULONGunsigned long _nist_p_224[][BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)] = { |
33 | {0x0000000000000001ULL, 0xFFFFFFFF00000000ULL, |
34 | 0xFFFFFFFFFFFFFFFFULL, 0x00000000FFFFFFFFULL}, |
35 | {0x0000000000000002ULL, 0xFFFFFFFE00000000ULL, |
36 | 0xFFFFFFFFFFFFFFFFULL, 0x00000001FFFFFFFFULL} /* this one is |
37 | * "carry-full" */ |
38 | }; |
39 | |
40 | static const BN_ULONGunsigned long _nist_p_224_sqr[] = { |
41 | 0x0000000000000001ULL, 0xFFFFFFFE00000000ULL, |
42 | 0xFFFFFFFFFFFFFFFFULL, 0x0000000200000000ULL, |
43 | 0x0000000000000000ULL, 0xFFFFFFFFFFFFFFFEULL, |
44 | 0xFFFFFFFFFFFFFFFFULL |
45 | }; |
46 | |
47 | static const BN_ULONGunsigned long _nist_p_256[][BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)] = { |
48 | {0xFFFFFFFFFFFFFFFFULL, 0x00000000FFFFFFFFULL, |
49 | 0x0000000000000000ULL, 0xFFFFFFFF00000001ULL}, |
50 | {0xFFFFFFFFFFFFFFFEULL, 0x00000001FFFFFFFFULL, |
51 | 0x0000000000000000ULL, 0xFFFFFFFE00000002ULL}, |
52 | {0xFFFFFFFFFFFFFFFDULL, 0x00000002FFFFFFFFULL, |
53 | 0x0000000000000000ULL, 0xFFFFFFFD00000003ULL}, |
54 | {0xFFFFFFFFFFFFFFFCULL, 0x00000003FFFFFFFFULL, |
55 | 0x0000000000000000ULL, 0xFFFFFFFC00000004ULL}, |
56 | {0xFFFFFFFFFFFFFFFBULL, 0x00000004FFFFFFFFULL, |
57 | 0x0000000000000000ULL, 0xFFFFFFFB00000005ULL}, |
58 | }; |
59 | |
60 | static const BN_ULONGunsigned long _nist_p_256_sqr[] = { |
61 | 0x0000000000000001ULL, 0xFFFFFFFE00000000ULL, |
62 | 0xFFFFFFFFFFFFFFFFULL, 0x00000001FFFFFFFEULL, |
63 | 0x00000001FFFFFFFEULL, 0x00000001FFFFFFFEULL, |
64 | 0xFFFFFFFE00000001ULL, 0xFFFFFFFE00000002ULL |
65 | }; |
66 | |
67 | static const BN_ULONGunsigned long _nist_p_384[][BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)] = { |
68 | {0x00000000FFFFFFFFULL, 0xFFFFFFFF00000000ULL, 0xFFFFFFFFFFFFFFFEULL, |
69 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL}, |
70 | {0x00000001FFFFFFFEULL, 0xFFFFFFFE00000000ULL, 0xFFFFFFFFFFFFFFFDULL, |
71 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL}, |
72 | {0x00000002FFFFFFFDULL, 0xFFFFFFFD00000000ULL, 0xFFFFFFFFFFFFFFFCULL, |
73 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL}, |
74 | {0x00000003FFFFFFFCULL, 0xFFFFFFFC00000000ULL, 0xFFFFFFFFFFFFFFFBULL, |
75 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL}, |
76 | {0x00000004FFFFFFFBULL, 0xFFFFFFFB00000000ULL, 0xFFFFFFFFFFFFFFFAULL, |
77 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL}, |
78 | }; |
79 | |
80 | static const BN_ULONGunsigned long _nist_p_384_sqr[] = { |
81 | 0xFFFFFFFE00000001ULL, 0x0000000200000000ULL, 0xFFFFFFFE00000000ULL, |
82 | 0x0000000200000000ULL, 0x0000000000000001ULL, 0x0000000000000000ULL, |
83 | 0x00000001FFFFFFFEULL, 0xFFFFFFFE00000000ULL, 0xFFFFFFFFFFFFFFFDULL, |
84 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL |
85 | }; |
86 | |
87 | static const BN_ULONGunsigned long _nist_p_521[] = |
88 | { 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
89 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
90 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
91 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
92 | 0x00000000000001FFULL |
93 | }; |
94 | |
95 | static const BN_ULONGunsigned long _nist_p_521_sqr[] = { |
96 | 0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
97 | 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
98 | 0x0000000000000000ULL, 0x0000000000000000ULL, 0xFFFFFFFFFFFFFC00ULL, |
99 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
100 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
101 | 0xFFFFFFFFFFFFFFFFULL, 0x000000000003FFFFULL |
102 | }; |
103 | #elif BN_BITS2(8 * 8) == 32 |
104 | static const BN_ULONGunsigned long _nist_p_192[][BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)] = { |
105 | {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, |
106 | {0xFFFFFFFE, 0xFFFFFFFF, 0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, |
107 | {0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF} |
108 | }; |
109 | |
110 | static const BN_ULONGunsigned long _nist_p_192_sqr[] = { |
111 | 0x00000001, 0x00000000, 0x00000002, 0x00000000, 0x00000001, 0x00000000, |
112 | 0xFFFFFFFE, 0xFFFFFFFF, 0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
113 | }; |
114 | |
115 | static const BN_ULONGunsigned long _nist_p_224[][BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)] = { |
116 | {0x00000001, 0x00000000, 0x00000000, 0xFFFFFFFF, |
117 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, |
118 | {0x00000002, 0x00000000, 0x00000000, 0xFFFFFFFE, |
119 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF} |
120 | }; |
121 | |
122 | static const BN_ULONGunsigned long _nist_p_224_sqr[] = { |
123 | 0x00000001, 0x00000000, 0x00000000, 0xFFFFFFFE, |
124 | 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000002, |
125 | 0x00000000, 0x00000000, 0xFFFFFFFE, 0xFFFFFFFF, |
126 | 0xFFFFFFFF, 0xFFFFFFFF |
127 | }; |
128 | |
129 | static const BN_ULONGunsigned long _nist_p_256[][BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)] = { |
130 | {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, |
131 | 0x00000000, 0x00000000, 0x00000001, 0xFFFFFFFF}, |
132 | {0xFFFFFFFE, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000001, |
133 | 0x00000000, 0x00000000, 0x00000002, 0xFFFFFFFE}, |
134 | {0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000002, |
135 | 0x00000000, 0x00000000, 0x00000003, 0xFFFFFFFD}, |
136 | {0xFFFFFFFC, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000003, |
137 | 0x00000000, 0x00000000, 0x00000004, 0xFFFFFFFC}, |
138 | {0xFFFFFFFB, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000004, |
139 | 0x00000000, 0x00000000, 0x00000005, 0xFFFFFFFB}, |
140 | }; |
141 | |
142 | static const BN_ULONGunsigned long _nist_p_256_sqr[] = { |
143 | 0x00000001, 0x00000000, 0x00000000, 0xFFFFFFFE, |
144 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0x00000001, |
145 | 0xFFFFFFFE, 0x00000001, 0xFFFFFFFE, 0x00000001, |
146 | 0x00000001, 0xFFFFFFFE, 0x00000002, 0xFFFFFFFE |
147 | }; |
148 | |
149 | static const BN_ULONGunsigned long _nist_p_384[][BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)] = { |
150 | {0xFFFFFFFF, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFF, |
151 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, |
152 | {0xFFFFFFFE, 0x00000001, 0x00000000, 0xFFFFFFFE, 0xFFFFFFFD, 0xFFFFFFFF, |
153 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, |
154 | {0xFFFFFFFD, 0x00000002, 0x00000000, 0xFFFFFFFD, 0xFFFFFFFC, 0xFFFFFFFF, |
155 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, |
156 | {0xFFFFFFFC, 0x00000003, 0x00000000, 0xFFFFFFFC, 0xFFFFFFFB, 0xFFFFFFFF, |
157 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, |
158 | {0xFFFFFFFB, 0x00000004, 0x00000000, 0xFFFFFFFB, 0xFFFFFFFA, 0xFFFFFFFF, |
159 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, |
160 | }; |
161 | |
162 | static const BN_ULONGunsigned long _nist_p_384_sqr[] = { |
163 | 0x00000001, 0xFFFFFFFE, 0x00000000, 0x00000002, 0x00000000, 0xFFFFFFFE, |
164 | 0x00000000, 0x00000002, 0x00000001, 0x00000000, 0x00000000, 0x00000000, |
165 | 0xFFFFFFFE, 0x00000001, 0x00000000, 0xFFFFFFFE, 0xFFFFFFFD, 0xFFFFFFFF, |
166 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
167 | }; |
168 | |
169 | static const BN_ULONGunsigned long _nist_p_521[] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
170 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
171 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
172 | 0xFFFFFFFF, 0x000001FF |
173 | }; |
174 | |
175 | static const BN_ULONGunsigned long _nist_p_521_sqr[] = { |
176 | 0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, |
177 | 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, |
178 | 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xFFFFFC00, 0xFFFFFFFF, |
179 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
180 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
181 | 0xFFFFFFFF, 0xFFFFFFFF, 0x0003FFFF |
182 | }; |
183 | #else |
184 | # error "unsupported BN_BITS2" |
185 | #endif |
186 | |
187 | static const BIGNUM ossl_bignum_nist_p_192 = { |
188 | (BN_ULONGunsigned long *)_nist_p_192[0], |
189 | BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8), |
190 | BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8), |
191 | 0, |
192 | BN_FLG_STATIC_DATA0x02 |
193 | }; |
194 | |
195 | static const BIGNUM ossl_bignum_nist_p_224 = { |
196 | (BN_ULONGunsigned long *)_nist_p_224[0], |
197 | BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8), |
198 | BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8), |
199 | 0, |
200 | BN_FLG_STATIC_DATA0x02 |
201 | }; |
202 | |
203 | static const BIGNUM ossl_bignum_nist_p_256 = { |
204 | (BN_ULONGunsigned long *)_nist_p_256[0], |
205 | BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8), |
206 | BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8), |
207 | 0, |
208 | BN_FLG_STATIC_DATA0x02 |
209 | }; |
210 | |
211 | static const BIGNUM ossl_bignum_nist_p_384 = { |
212 | (BN_ULONGunsigned long *)_nist_p_384[0], |
213 | BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8), |
214 | BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8), |
215 | 0, |
216 | BN_FLG_STATIC_DATA0x02 |
217 | }; |
218 | |
219 | static const BIGNUM ossl_bignum_nist_p_521 = { |
220 | (BN_ULONGunsigned long *)_nist_p_521, |
221 | BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8), |
222 | BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8), |
223 | 0, |
224 | BN_FLG_STATIC_DATA0x02 |
225 | }; |
226 | |
227 | const BIGNUM *BN_get0_nist_prime_192(void) |
228 | { |
229 | return &ossl_bignum_nist_p_192; |
230 | } |
231 | |
232 | const BIGNUM *BN_get0_nist_prime_224(void) |
233 | { |
234 | return &ossl_bignum_nist_p_224; |
235 | } |
236 | |
237 | const BIGNUM *BN_get0_nist_prime_256(void) |
238 | { |
239 | return &ossl_bignum_nist_p_256; |
240 | } |
241 | |
242 | const BIGNUM *BN_get0_nist_prime_384(void) |
243 | { |
244 | return &ossl_bignum_nist_p_384; |
245 | } |
246 | |
247 | const BIGNUM *BN_get0_nist_prime_521(void) |
248 | { |
249 | return &ossl_bignum_nist_p_521; |
250 | } |
251 | |
252 | /* |
253 | * To avoid more recent compilers (specifically clang-14) from treating this |
254 | * code as a violation of the strict aliasing conditions and omiting it, this |
255 | * cannot be declared as a function. Moreover, the dst parameter cannot be |
256 | * cached in a local since this no longer references the union and again falls |
257 | * foul of the strict aliasing criteria. Refer to #18225 for the initial |
258 | * diagnostics and llvm/llvm-project#55255 for the later discussions with the |
259 | * LLVM developers. The problem boils down to if an array in the union is |
260 | * converted to a pointer or if it is used directly. |
261 | * |
262 | * This function was inlined regardless, so there is no space cost to be |
263 | * paid for making it a macro. |
264 | */ |
265 | #define nist_cp_bn_0(dst, src_in, top, max){ int ii; const unsigned long *src = src_in; for (ii = 0; ii < top; ii++) (dst)[ii] = src[ii]; for (; ii < max; ii++) (dst )[ii] = 0; } \ |
266 | { \ |
267 | int ii; \ |
268 | const BN_ULONGunsigned long *src = src_in; \ |
269 | \ |
270 | for (ii = 0; ii < top; ii++) \ |
271 | (dst)[ii] = src[ii]; \ |
272 | for (; ii < max; ii++) \ |
273 | (dst)[ii] = 0; \ |
274 | } |
275 | |
276 | static void nist_cp_bn(BN_ULONGunsigned long *dst, const BN_ULONGunsigned long *src, int top) |
277 | { |
278 | int i; |
279 | |
280 | for (i = 0; i < top; i++) |
281 | dst[i] = src[i]; |
282 | } |
283 | |
284 | #if BN_BITS2(8 * 8) == 64 |
285 | # define bn_cp_64(to, n, from, m)(to)[n] = (m>=0)?((from)[m]):0; (to)[n] = (m>=0)?((from)[m]):0; |
286 | # define bn_64_set_0(to, n)(to)[n] = (unsigned long)0; (to)[n] = (BN_ULONGunsigned long)0; |
287 | /* |
288 | * two following macros are implemented under assumption that they |
289 | * are called in a sequence with *ascending* n, i.e. as they are... |
290 | */ |
291 | # define bn_cp_32_naked(to, n, from, m)(((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2]&(0xffffffff00000000L )):(from[(m)/2]<<32)) :(to[(n)/2] =((m)&1)?(from[(m )/2]>>32):(from[(m)/2]&(0xffffffffL)))) (((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2]&BN_MASK2h(0xffffffff00000000L)):(from[(m)/2]<<32))\ |
292 | :(to[(n)/2] =((m)&1)?(from[(m)/2]>>32):(from[(m)/2]&BN_MASK2l(0xffffffffL)))) |
293 | # define bn_32_set_0(to, n)(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0)); (((n)&1)?(to[(n)/2]&=BN_MASK2l(0xffffffffL)):(to[(n)/2]=0)); |
294 | # define bn_cp_32(to,n,from,m)((m)>=0)?(((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2] &(0xffffffff00000000L)):(from[(m)/2]<<32)) :(to[(n) /2] =((m)&1)?(from[(m)/2]>>32):(from[(m)/2]&(0xffffffffL )))):(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0 )); ((m)>=0)?bn_cp_32_naked(to,n,from,m)(((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2]&(0xffffffff00000000L )):(from[(m)/2]<<32)) :(to[(n)/2] =((m)&1)?(from[(m )/2]>>32):(from[(m)/2]&(0xffffffffL)))):bn_32_set_0(to,n)(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0)); |
295 | # if defined(L_ENDIAN1) |
296 | # if defined(__arch64__) |
297 | # define NIST_INT64long long long |
298 | # else |
299 | # define NIST_INT64long long long long |
300 | # endif |
301 | # endif |
302 | #else |
303 | # define bn_cp_64(to, n, from, m)(to)[n] = (m>=0)?((from)[m]):0; \ |
304 | { \ |
305 | bn_cp_32(to, (n)*2, from, (m)*2)(((m)*2)>=0)?((((n)*2)&1)?(to[((n)*2)/2]|=(((m)*2)& 1)?(from[((m)*2)/2]&(0xffffffff00000000L)):(from[((m)*2)/ 2]<<32)) :(to[((n)*2)/2] =(((m)*2)&1)?(from[((m)*2) /2]>>32):(from[((m)*2)/2]&(0xffffffffL)))):((((n)*2 )&1)?(to[((n)*2)/2]&=(0xffffffffL)):(to[((n)*2)/2]=0) );; \ |
306 | bn_cp_32(to, (n)*2+1, from, (m)*2+1)(((m)*2+1)>=0)?((((n)*2+1)&1)?(to[((n)*2+1)/2]|=(((m)* 2+1)&1)?(from[((m)*2+1)/2]&(0xffffffff00000000L)):(from [((m)*2+1)/2]<<32)) :(to[((n)*2+1)/2] =(((m)*2+1)&1 )?(from[((m)*2+1)/2]>>32):(from[((m)*2+1)/2]&(0xffffffffL )))):((((n)*2+1)&1)?(to[((n)*2+1)/2]&=(0xffffffffL)): (to[((n)*2+1)/2]=0));; \ |
307 | } |
308 | # define bn_64_set_0(to, n)(to)[n] = (unsigned long)0; \ |
309 | { \ |
310 | bn_32_set_0(to, (n)*2)((((n)*2)&1)?(to[((n)*2)/2]&=(0xffffffffL)):(to[((n)* 2)/2]=0));; \ |
311 | bn_32_set_0(to, (n)*2+1)((((n)*2+1)&1)?(to[((n)*2+1)/2]&=(0xffffffffL)):(to[( (n)*2+1)/2]=0));; \ |
312 | } |
313 | # define bn_cp_32(to, n, from, m)((m)>=0)?(((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2] &(0xffffffff00000000L)):(from[(m)/2]<<32)) :(to[(n) /2] =((m)&1)?(from[(m)/2]>>32):(from[(m)/2]&(0xffffffffL )))):(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0 )); (to)[n] = (m>=0)?((from)[m]):0; |
314 | # define bn_32_set_0(to, n)(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0)); (to)[n] = (BN_ULONGunsigned long)0; |
315 | # if defined(_WIN32) && !defined(__GNUC__4) |
316 | # define NIST_INT64long long __int64 |
317 | # elif defined(BN_LLONG) |
318 | # define NIST_INT64long long long long |
319 | # endif |
320 | #endif /* BN_BITS2 != 64 */ |
321 | |
322 | #define nist_set_192(to, from, a1, a2, a3){ (to)[0] = ((a3) - 3>=0)?((from)[(a3) - 3]):0; (to)[1] = ( (a2) - 3>=0)?((from)[(a2) - 3]):0; (to)[2] = ((a1) - 3>= 0)?((from)[(a1) - 3]):0; } \ |
323 | { \ |
324 | bn_cp_64(to, 0, from, (a3) - 3)(to)[0] = ((a3) - 3>=0)?((from)[(a3) - 3]):0; \ |
325 | bn_cp_64(to, 1, from, (a2) - 3)(to)[1] = ((a2) - 3>=0)?((from)[(a2) - 3]):0; \ |
326 | bn_cp_64(to, 2, from, (a1) - 3)(to)[2] = ((a1) - 3>=0)?((from)[(a1) - 3]):0; \ |
327 | } |
328 | |
329 | int BN_nist_mod_192(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, |
330 | BN_CTX *ctx) |
331 | { |
332 | int top = a->top, i; |
333 | int carry; |
334 | register BN_ULONGunsigned long *r_d, *a_d = a->d; |
335 | union { |
336 | BN_ULONGunsigned long bn[BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)]; |
337 | unsigned int ui[BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8) * sizeof(BN_ULONGunsigned long) / |
338 | sizeof(unsigned int)]; |
339 | } buf; |
340 | BN_ULONGunsigned long c_d[BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)], *res; |
341 | PTR_SIZE_INTsize_t mask; |
342 | static const BIGNUM ossl_bignum_nist_p_192_sqr = { |
343 | (BN_ULONGunsigned long *)_nist_p_192_sqr, |
344 | OSSL_NELEM(_nist_p_192_sqr)(sizeof(_nist_p_192_sqr)/sizeof((_nist_p_192_sqr)[0])), |
345 | OSSL_NELEM(_nist_p_192_sqr)(sizeof(_nist_p_192_sqr)/sizeof((_nist_p_192_sqr)[0])), |
346 | 0, BN_FLG_STATIC_DATA0x02 |
347 | }; |
348 | |
349 | field = &ossl_bignum_nist_p_192; /* just to make sure */ |
350 | |
351 | if (BN_is_negative(a) || BN_ucmp(a, &ossl_bignum_nist_p_192_sqr) >= 0) |
352 | return BN_nnmod(r, a, field, ctx); |
353 | |
354 | i = BN_ucmp(field, a); |
355 | if (i == 0) { |
356 | BN_zero(r)BN_zero_ex(r); |
357 | return 1; |
358 | } else if (i > 0) |
359 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void*)0)); |
360 | |
361 | if (r != a) { |
362 | if (!bn_wexpand(r, BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8))) |
363 | return 0; |
364 | r_d = r->d; |
365 | nist_cp_bn(r_d, a_d, BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)); |
366 | } else |
367 | r_d = a_d; |
368 | |
369 | nist_cp_bn_0(buf.bn, a_d + BN_NIST_192_TOP, top - BN_NIST_192_TOP,{ int ii; const unsigned long *src = a_d + (192+(8 * 8)-1)/(8 * 8); for (ii = 0; ii < top - (192+(8 * 8)-1)/(8 * 8); ii ++) (buf.bn)[ii] = src[ii]; for (; ii < (192+(8 * 8)-1)/(8 * 8); ii++) (buf.bn)[ii] = 0; } |
370 | BN_NIST_192_TOP){ int ii; const unsigned long *src = a_d + (192+(8 * 8)-1)/(8 * 8); for (ii = 0; ii < top - (192+(8 * 8)-1)/(8 * 8); ii ++) (buf.bn)[ii] = src[ii]; for (; ii < (192+(8 * 8)-1)/(8 * 8); ii++) (buf.bn)[ii] = 0; }; |
371 | |
372 | #if defined(NIST_INT64long long) |
373 | { |
374 | NIST_INT64long long acc; /* accumulator */ |
375 | unsigned int *rp = (unsigned int *)r_d; |
376 | const unsigned int *bp = (const unsigned int *)buf.ui; |
377 | |
378 | acc = rp[0]; |
379 | acc += bp[3 * 2 - 6]; |
380 | acc += bp[5 * 2 - 6]; |
381 | rp[0] = (unsigned int)acc; |
382 | acc >>= 32; |
383 | |
384 | acc += rp[1]; |
385 | acc += bp[3 * 2 - 5]; |
386 | acc += bp[5 * 2 - 5]; |
387 | rp[1] = (unsigned int)acc; |
388 | acc >>= 32; |
389 | |
390 | acc += rp[2]; |
391 | acc += bp[3 * 2 - 6]; |
392 | acc += bp[4 * 2 - 6]; |
393 | acc += bp[5 * 2 - 6]; |
394 | rp[2] = (unsigned int)acc; |
395 | acc >>= 32; |
396 | |
397 | acc += rp[3]; |
398 | acc += bp[3 * 2 - 5]; |
399 | acc += bp[4 * 2 - 5]; |
400 | acc += bp[5 * 2 - 5]; |
401 | rp[3] = (unsigned int)acc; |
402 | acc >>= 32; |
403 | |
404 | acc += rp[4]; |
405 | acc += bp[4 * 2 - 6]; |
406 | acc += bp[5 * 2 - 6]; |
407 | rp[4] = (unsigned int)acc; |
408 | acc >>= 32; |
409 | |
410 | acc += rp[5]; |
411 | acc += bp[4 * 2 - 5]; |
412 | acc += bp[5 * 2 - 5]; |
413 | rp[5] = (unsigned int)acc; |
414 | |
415 | carry = (int)(acc >> 32); |
416 | } |
417 | #else |
418 | { |
419 | BN_ULONGunsigned long t_d[BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)]; |
420 | |
421 | nist_set_192(t_d, buf.bn, 0, 3, 3){ (t_d)[0] = ((3) - 3>=0)?((buf.bn)[(3) - 3]):0; (t_d)[1] = ((3) - 3>=0)?((buf.bn)[(3) - 3]):0; (t_d)[2] = ((0) - 3>= 0)?((buf.bn)[(0) - 3]):0; }; |
422 | carry = (int)bn_add_words(r_d, r_d, t_d, BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)); |
423 | nist_set_192(t_d, buf.bn, 4, 4, 0){ (t_d)[0] = ((0) - 3>=0)?((buf.bn)[(0) - 3]):0; (t_d)[1] = ((4) - 3>=0)?((buf.bn)[(4) - 3]):0; (t_d)[2] = ((4) - 3>= 0)?((buf.bn)[(4) - 3]):0; }; |
424 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)); |
425 | nist_set_192(t_d, buf.bn, 5, 5, 5){ (t_d)[0] = ((5) - 3>=0)?((buf.bn)[(5) - 3]):0; (t_d)[1] = ((5) - 3>=0)?((buf.bn)[(5) - 3]):0; (t_d)[2] = ((5) - 3>= 0)?((buf.bn)[(5) - 3]):0; } |
426 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)); |
427 | } |
428 | #endif |
429 | if (carry > 0) |
430 | carry = |
431 | (int)bn_sub_words(r_d, r_d, _nist_p_192[carry - 1], |
432 | BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)); |
433 | else |
434 | carry = 1; |
435 | |
436 | /* |
437 | * we need 'if (carry==0 || result>=modulus) result-=modulus;' |
438 | * as comparison implies subtraction, we can write |
439 | * 'tmp=result-modulus; if (!carry || !borrow) result=tmp;' |
440 | * this is what happens below, but without explicit if:-) a. |
441 | */ |
442 | mask = |
443 | 0 - (PTR_SIZE_INTsize_t) bn_sub_words(c_d, r_d, _nist_p_192[0], |
444 | BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)); |
445 | mask &= 0 - (PTR_SIZE_INTsize_t) carry; |
446 | res = c_d; |
447 | res = (BN_ULONGunsigned long *) |
448 | (((PTR_SIZE_INTsize_t) res & ~mask) | ((PTR_SIZE_INTsize_t) r_d & mask)); |
449 | nist_cp_bn(r_d, res, BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8)); |
450 | r->top = BN_NIST_192_TOP(192+(8 * 8)-1)/(8 * 8); |
451 | bn_correct_top(r); |
452 | |
453 | return 1; |
454 | } |
455 | |
456 | typedef BN_ULONGunsigned long (*bn_addsub_f) (BN_ULONGunsigned long *, const BN_ULONGunsigned long *, |
457 | const BN_ULONGunsigned long *, int); |
458 | |
459 | #define nist_set_224(to, from, a1, a2, a3, a4, a5, a6, a7){ (((a7) - 7)>=0)?(((0)&1)?(to[(0)/2]|=(((a7) - 7)& 1)?(from[((a7) - 7)/2]&(0xffffffff00000000L)):(from[((a7) - 7)/2]<<32)) :(to[(0)/2] =(((a7) - 7)&1)?(from[(( a7) - 7)/2]>>32):(from[((a7) - 7)/2]&(0xffffffffL)) )):(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0)) ; (((a6) - 7)>=0)?(((1)&1)?(to[(1)/2]|=(((a6) - 7)& 1)?(from[((a6) - 7)/2]&(0xffffffff00000000L)):(from[((a6) - 7)/2]<<32)) :(to[(1)/2] =(((a6) - 7)&1)?(from[(( a6) - 7)/2]>>32):(from[((a6) - 7)/2]&(0xffffffffL)) )):(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0)) ; (((a5) - 7)>=0)?(((2)&1)?(to[(2)/2]|=(((a5) - 7)& 1)?(from[((a5) - 7)/2]&(0xffffffff00000000L)):(from[((a5) - 7)/2]<<32)) :(to[(2)/2] =(((a5) - 7)&1)?(from[(( a5) - 7)/2]>>32):(from[((a5) - 7)/2]&(0xffffffffL)) )):(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0)) ; (((a4) - 7)>=0)?(((3)&1)?(to[(3)/2]|=(((a4) - 7)& 1)?(from[((a4) - 7)/2]&(0xffffffff00000000L)):(from[((a4) - 7)/2]<<32)) :(to[(3)/2] =(((a4) - 7)&1)?(from[(( a4) - 7)/2]>>32):(from[((a4) - 7)/2]&(0xffffffffL)) )):(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0)) ; (((a3) - 7)>=0)?(((4)&1)?(to[(4)/2]|=(((a3) - 7)& 1)?(from[((a3) - 7)/2]&(0xffffffff00000000L)):(from[((a3) - 7)/2]<<32)) :(to[(4)/2] =(((a3) - 7)&1)?(from[(( a3) - 7)/2]>>32):(from[((a3) - 7)/2]&(0xffffffffL)) )):(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0)) ; (((a2) - 7)>=0)?(((5)&1)?(to[(5)/2]|=(((a2) - 7)& 1)?(from[((a2) - 7)/2]&(0xffffffff00000000L)):(from[((a2) - 7)/2]<<32)) :(to[(5)/2] =(((a2) - 7)&1)?(from[(( a2) - 7)/2]>>32):(from[((a2) - 7)/2]&(0xffffffffL)) )):(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0)) ; (((a1) - 7)>=0)?(((6)&1)?(to[(6)/2]|=(((a1) - 7)& 1)?(from[((a1) - 7)/2]&(0xffffffff00000000L)):(from[((a1) - 7)/2]<<32)) :(to[(6)/2] =(((a1) - 7)&1)?(from[(( a1) - 7)/2]>>32):(from[((a1) - 7)/2]&(0xffffffffL)) )):(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0)) ; } \ |
460 | { \ |
461 | bn_cp_32(to, 0, from, (a7) - 7)(((a7) - 7)>=0)?(((0)&1)?(to[(0)/2]|=(((a7) - 7)&1 )?(from[((a7) - 7)/2]&(0xffffffff00000000L)):(from[((a7) - 7)/2]<<32)) :(to[(0)/2] =(((a7) - 7)&1)?(from[((a7 ) - 7)/2]>>32):(from[((a7) - 7)/2]&(0xffffffffL)))) :(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0)); \ |
462 | bn_cp_32(to, 1, from, (a6) - 7)(((a6) - 7)>=0)?(((1)&1)?(to[(1)/2]|=(((a6) - 7)&1 )?(from[((a6) - 7)/2]&(0xffffffff00000000L)):(from[((a6) - 7)/2]<<32)) :(to[(1)/2] =(((a6) - 7)&1)?(from[((a6 ) - 7)/2]>>32):(from[((a6) - 7)/2]&(0xffffffffL)))) :(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0)); \ |
463 | bn_cp_32(to, 2, from, (a5) - 7)(((a5) - 7)>=0)?(((2)&1)?(to[(2)/2]|=(((a5) - 7)&1 )?(from[((a5) - 7)/2]&(0xffffffff00000000L)):(from[((a5) - 7)/2]<<32)) :(to[(2)/2] =(((a5) - 7)&1)?(from[((a5 ) - 7)/2]>>32):(from[((a5) - 7)/2]&(0xffffffffL)))) :(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0)); \ |
464 | bn_cp_32(to, 3, from, (a4) - 7)(((a4) - 7)>=0)?(((3)&1)?(to[(3)/2]|=(((a4) - 7)&1 )?(from[((a4) - 7)/2]&(0xffffffff00000000L)):(from[((a4) - 7)/2]<<32)) :(to[(3)/2] =(((a4) - 7)&1)?(from[((a4 ) - 7)/2]>>32):(from[((a4) - 7)/2]&(0xffffffffL)))) :(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0)); \ |
465 | bn_cp_32(to, 4, from, (a3) - 7)(((a3) - 7)>=0)?(((4)&1)?(to[(4)/2]|=(((a3) - 7)&1 )?(from[((a3) - 7)/2]&(0xffffffff00000000L)):(from[((a3) - 7)/2]<<32)) :(to[(4)/2] =(((a3) - 7)&1)?(from[((a3 ) - 7)/2]>>32):(from[((a3) - 7)/2]&(0xffffffffL)))) :(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0)); \ |
466 | bn_cp_32(to, 5, from, (a2) - 7)(((a2) - 7)>=0)?(((5)&1)?(to[(5)/2]|=(((a2) - 7)&1 )?(from[((a2) - 7)/2]&(0xffffffff00000000L)):(from[((a2) - 7)/2]<<32)) :(to[(5)/2] =(((a2) - 7)&1)?(from[((a2 ) - 7)/2]>>32):(from[((a2) - 7)/2]&(0xffffffffL)))) :(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0)); \ |
467 | bn_cp_32(to, 6, from, (a1) - 7)(((a1) - 7)>=0)?(((6)&1)?(to[(6)/2]|=(((a1) - 7)&1 )?(from[((a1) - 7)/2]&(0xffffffff00000000L)):(from[((a1) - 7)/2]<<32)) :(to[(6)/2] =(((a1) - 7)&1)?(from[((a1 ) - 7)/2]>>32):(from[((a1) - 7)/2]&(0xffffffffL)))) :(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0)); \ |
468 | } |
469 | |
470 | int BN_nist_mod_224(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, |
471 | BN_CTX *ctx) |
472 | { |
473 | int top = a->top, i; |
474 | int carry; |
475 | BN_ULONGunsigned long *r_d, *a_d = a->d; |
476 | union { |
477 | BN_ULONGunsigned long bn[BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)]; |
478 | unsigned int ui[BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8) * sizeof(BN_ULONGunsigned long) / |
479 | sizeof(unsigned int)]; |
480 | } buf; |
481 | BN_ULONGunsigned long c_d[BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)], *res; |
482 | PTR_SIZE_INTsize_t mask; |
483 | union { |
484 | bn_addsub_f f; |
485 | PTR_SIZE_INTsize_t p; |
486 | } u; |
487 | static const BIGNUM ossl_bignum_nist_p_224_sqr = { |
488 | (BN_ULONGunsigned long *)_nist_p_224_sqr, |
489 | OSSL_NELEM(_nist_p_224_sqr)(sizeof(_nist_p_224_sqr)/sizeof((_nist_p_224_sqr)[0])), |
490 | OSSL_NELEM(_nist_p_224_sqr)(sizeof(_nist_p_224_sqr)/sizeof((_nist_p_224_sqr)[0])), |
491 | 0, BN_FLG_STATIC_DATA0x02 |
492 | }; |
493 | |
494 | field = &ossl_bignum_nist_p_224; /* just to make sure */ |
495 | |
496 | if (BN_is_negative(a) || BN_ucmp(a, &ossl_bignum_nist_p_224_sqr) >= 0) |
497 | return BN_nnmod(r, a, field, ctx); |
498 | |
499 | i = BN_ucmp(field, a); |
500 | if (i == 0) { |
501 | BN_zero(r)BN_zero_ex(r); |
502 | return 1; |
503 | } else if (i > 0) |
504 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void*)0)); |
505 | |
506 | if (r != a) { |
507 | if (!bn_wexpand(r, BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8))) |
508 | return 0; |
509 | r_d = r->d; |
510 | nist_cp_bn(r_d, a_d, BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
511 | } else |
512 | r_d = a_d; |
513 | |
514 | #if BN_BITS2(8 * 8)==64 |
515 | /* copy upper 256 bits of 448 bit number ... */ |
516 | nist_cp_bn_0(c_d, a_d + (BN_NIST_224_TOP - 1),{ int ii; const unsigned long *src = a_d + ((224+(8 * 8)-1)/( 8 * 8) - 1); for (ii = 0; ii < top - ((224+(8 * 8)-1)/(8 * 8) - 1); ii++) (c_d)[ii] = src[ii]; for (; ii < (224+(8 * 8)-1)/(8 * 8); ii++) (c_d)[ii] = 0; } |
517 | top - (BN_NIST_224_TOP - 1), BN_NIST_224_TOP){ int ii; const unsigned long *src = a_d + ((224+(8 * 8)-1)/( 8 * 8) - 1); for (ii = 0; ii < top - ((224+(8 * 8)-1)/(8 * 8) - 1); ii++) (c_d)[ii] = src[ii]; for (; ii < (224+(8 * 8)-1)/(8 * 8); ii++) (c_d)[ii] = 0; }; |
518 | /* ... and right shift by 32 to obtain upper 224 bits */ |
519 | nist_set_224(buf.bn, c_d, 14, 13, 12, 11, 10, 9, 8){ (((8) - 7)>=0)?(((0)&1)?(buf.bn[(0)/2]|=(((8) - 7)& 1)?(c_d[((8) - 7)/2]&(0xffffffff00000000L)):(c_d[((8) - 7 )/2]<<32)) :(buf.bn[(0)/2] =(((8) - 7)&1)?(c_d[((8) - 7)/2]>>32):(c_d[((8) - 7)/2]&(0xffffffffL)))):(( (0)&1)?(buf.bn[(0)/2]&=(0xffffffffL)):(buf.bn[(0)/2]= 0)); (((9) - 7)>=0)?(((1)&1)?(buf.bn[(1)/2]|=(((9) - 7 )&1)?(c_d[((9) - 7)/2]&(0xffffffff00000000L)):(c_d[(( 9) - 7)/2]<<32)) :(buf.bn[(1)/2] =(((9) - 7)&1)?(c_d [((9) - 7)/2]>>32):(c_d[((9) - 7)/2]&(0xffffffffL)) )):(((1)&1)?(buf.bn[(1)/2]&=(0xffffffffL)):(buf.bn[(1 )/2]=0)); (((10) - 7)>=0)?(((2)&1)?(buf.bn[(2)/2]|=((( 10) - 7)&1)?(c_d[((10) - 7)/2]&(0xffffffff00000000L)) :(c_d[((10) - 7)/2]<<32)) :(buf.bn[(2)/2] =(((10) - 7)& 1)?(c_d[((10) - 7)/2]>>32):(c_d[((10) - 7)/2]&(0xffffffffL )))):(((2)&1)?(buf.bn[(2)/2]&=(0xffffffffL)):(buf.bn[ (2)/2]=0)); (((11) - 7)>=0)?(((3)&1)?(buf.bn[(3)/2]|=( ((11) - 7)&1)?(c_d[((11) - 7)/2]&(0xffffffff00000000L )):(c_d[((11) - 7)/2]<<32)) :(buf.bn[(3)/2] =(((11) - 7 )&1)?(c_d[((11) - 7)/2]>>32):(c_d[((11) - 7)/2]& (0xffffffffL)))):(((3)&1)?(buf.bn[(3)/2]&=(0xffffffffL )):(buf.bn[(3)/2]=0)); (((12) - 7)>=0)?(((4)&1)?(buf.bn [(4)/2]|=(((12) - 7)&1)?(c_d[((12) - 7)/2]&(0xffffffff00000000L )):(c_d[((12) - 7)/2]<<32)) :(buf.bn[(4)/2] =(((12) - 7 )&1)?(c_d[((12) - 7)/2]>>32):(c_d[((12) - 7)/2]& (0xffffffffL)))):(((4)&1)?(buf.bn[(4)/2]&=(0xffffffffL )):(buf.bn[(4)/2]=0)); (((13) - 7)>=0)?(((5)&1)?(buf.bn [(5)/2]|=(((13) - 7)&1)?(c_d[((13) - 7)/2]&(0xffffffff00000000L )):(c_d[((13) - 7)/2]<<32)) :(buf.bn[(5)/2] =(((13) - 7 )&1)?(c_d[((13) - 7)/2]>>32):(c_d[((13) - 7)/2]& (0xffffffffL)))):(((5)&1)?(buf.bn[(5)/2]&=(0xffffffffL )):(buf.bn[(5)/2]=0)); (((14) - 7)>=0)?(((6)&1)?(buf.bn [(6)/2]|=(((14) - 7)&1)?(c_d[((14) - 7)/2]&(0xffffffff00000000L )):(c_d[((14) - 7)/2]<<32)) :(buf.bn[(6)/2] =(((14) - 7 )&1)?(c_d[((14) - 7)/2]>>32):(c_d[((14) - 7)/2]& (0xffffffffL)))):(((6)&1)?(buf.bn[(6)/2]&=(0xffffffffL )):(buf.bn[(6)/2]=0)); }; |
520 | /* truncate lower part to 224 bits too */ |
521 | r_d[BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8) - 1] &= BN_MASK2l(0xffffffffL); |
522 | #else |
523 | nist_cp_bn_0(buf.bn, a_d + BN_NIST_224_TOP, top - BN_NIST_224_TOP,{ int ii; const unsigned long *src = a_d + (224+(8 * 8)-1)/(8 * 8); for (ii = 0; ii < top - (224+(8 * 8)-1)/(8 * 8); ii ++) (buf.bn)[ii] = src[ii]; for (; ii < (224+(8 * 8)-1)/(8 * 8); ii++) (buf.bn)[ii] = 0; } |
524 | BN_NIST_224_TOP){ int ii; const unsigned long *src = a_d + (224+(8 * 8)-1)/(8 * 8); for (ii = 0; ii < top - (224+(8 * 8)-1)/(8 * 8); ii ++) (buf.bn)[ii] = src[ii]; for (; ii < (224+(8 * 8)-1)/(8 * 8); ii++) (buf.bn)[ii] = 0; }; |
525 | #endif |
526 | |
527 | #if defined(NIST_INT64long long) && BN_BITS2(8 * 8)!=64 |
528 | { |
529 | NIST_INT64long long acc; /* accumulator */ |
530 | unsigned int *rp = (unsigned int *)r_d; |
531 | const unsigned int *bp = (const unsigned int *)buf.ui; |
532 | |
533 | acc = rp[0]; |
534 | acc -= bp[7 - 7]; |
535 | acc -= bp[11 - 7]; |
536 | rp[0] = (unsigned int)acc; |
537 | acc >>= 32; |
538 | |
539 | acc += rp[1]; |
540 | acc -= bp[8 - 7]; |
541 | acc -= bp[12 - 7]; |
542 | rp[1] = (unsigned int)acc; |
543 | acc >>= 32; |
544 | |
545 | acc += rp[2]; |
546 | acc -= bp[9 - 7]; |
547 | acc -= bp[13 - 7]; |
548 | rp[2] = (unsigned int)acc; |
549 | acc >>= 32; |
550 | |
551 | acc += rp[3]; |
552 | acc += bp[7 - 7]; |
553 | acc += bp[11 - 7]; |
554 | acc -= bp[10 - 7]; |
555 | rp[3] = (unsigned int)acc; |
556 | acc >>= 32; |
557 | |
558 | acc += rp[4]; |
559 | acc += bp[8 - 7]; |
560 | acc += bp[12 - 7]; |
561 | acc -= bp[11 - 7]; |
562 | rp[4] = (unsigned int)acc; |
563 | acc >>= 32; |
564 | |
565 | acc += rp[5]; |
566 | acc += bp[9 - 7]; |
567 | acc += bp[13 - 7]; |
568 | acc -= bp[12 - 7]; |
569 | rp[5] = (unsigned int)acc; |
570 | acc >>= 32; |
571 | |
572 | acc += rp[6]; |
573 | acc += bp[10 - 7]; |
574 | acc -= bp[13 - 7]; |
575 | rp[6] = (unsigned int)acc; |
576 | |
577 | carry = (int)(acc >> 32); |
578 | # if BN_BITS2(8 * 8)==64 |
579 | rp[7] = carry; |
580 | # endif |
581 | } |
582 | #else |
583 | { |
584 | BN_ULONGunsigned long t_d[BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)]; |
585 | |
586 | nist_set_224(t_d, buf.bn, 10, 9, 8, 7, 0, 0, 0){ (((0) - 7)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(0)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 7)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(1)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((0) - 7)>=0)?(((2)&1)?(t_d[(2)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(2)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)):(t_d[(2)/2] =0)); (((7) - 7)>=0)?(((3)&1)?(t_d[(3)/2]|=(((7) - 7)& 1)?(buf.bn[((7) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 7) - 7)/2]<<32)) :(t_d[(3)/2] =(((7) - 7)&1)?(buf.bn [((7) - 7)/2]>>32):(buf.bn[((7) - 7)/2]&(0xffffffffL )))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)):(t_d[(3)/2] =0)); (((8) - 7)>=0)?(((4)&1)?(t_d[(4)/2]|=(((8) - 7)& 1)?(buf.bn[((8) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 8) - 7)/2]<<32)) :(t_d[(4)/2] =(((8) - 7)&1)?(buf.bn [((8) - 7)/2]>>32):(buf.bn[((8) - 7)/2]&(0xffffffffL )))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)):(t_d[(4)/2] =0)); (((9) - 7)>=0)?(((5)&1)?(t_d[(5)/2]|=(((9) - 7)& 1)?(buf.bn[((9) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 9) - 7)/2]<<32)) :(t_d[(5)/2] =(((9) - 7)&1)?(buf.bn [((9) - 7)/2]>>32):(buf.bn[((9) - 7)/2]&(0xffffffffL )))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)):(t_d[(5)/2] =0)); (((10) - 7)>=0)?(((6)&1)?(t_d[(6)/2]|=(((10) - 7 )&1)?(buf.bn[((10) - 7)/2]&(0xffffffff00000000L)):(buf .bn[((10) - 7)/2]<<32)) :(t_d[(6)/2] =(((10) - 7)&1 )?(buf.bn[((10) - 7)/2]>>32):(buf.bn[((10) - 7)/2]& (0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)) :(t_d[(6)/2]=0)); }; |
587 | carry = (int)bn_add_words(r_d, r_d, t_d, BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
588 | nist_set_224(t_d, buf.bn, 0, 13, 12, 11, 0, 0, 0){ (((0) - 7)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(0)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 7)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(1)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((0) - 7)>=0)?(((2)&1)?(t_d[(2)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(2)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)):(t_d[(2)/2] =0)); (((11) - 7)>=0)?(((3)&1)?(t_d[(3)/2]|=(((11) - 7 )&1)?(buf.bn[((11) - 7)/2]&(0xffffffff00000000L)):(buf .bn[((11) - 7)/2]<<32)) :(t_d[(3)/2] =(((11) - 7)&1 )?(buf.bn[((11) - 7)/2]>>32):(buf.bn[((11) - 7)/2]& (0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)) :(t_d[(3)/2]=0)); (((12) - 7)>=0)?(((4)&1)?(t_d[(4)/2] |=(((12) - 7)&1)?(buf.bn[((12) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 7)/2]<<32)) :(t_d[(4)/2] =(((12) - 7 )&1)?(buf.bn[((12) - 7)/2]>>32):(buf.bn[((12) - 7)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((13) - 7)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((13) - 7)&1)?(buf.bn[((13) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 7)/2]<<32)) :(t_d[(5)/2] =(((13) - 7 )&1)?(buf.bn[((13) - 7)/2]>>32):(buf.bn[((13) - 7)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 7)>=0)?(((6)&1)?(t_d[(6)/2 ]|=(((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(6)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); }; |
589 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
590 | nist_set_224(t_d, buf.bn, 13, 12, 11, 10, 9, 8, 7){ (((7) - 7)>=0)?(((0)&1)?(t_d[(0)/2]|=(((7) - 7)& 1)?(buf.bn[((7) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 7) - 7)/2]<<32)) :(t_d[(0)/2] =(((7) - 7)&1)?(buf.bn [((7) - 7)/2]>>32):(buf.bn[((7) - 7)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((8) - 7)>=0)?(((1)&1)?(t_d[(1)/2]|=(((8) - 7)& 1)?(buf.bn[((8) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 8) - 7)/2]<<32)) :(t_d[(1)/2] =(((8) - 7)&1)?(buf.bn [((8) - 7)/2]>>32):(buf.bn[((8) - 7)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((9) - 7)>=0)?(((2)&1)?(t_d[(2)/2]|=(((9) - 7)& 1)?(buf.bn[((9) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 9) - 7)/2]<<32)) :(t_d[(2)/2] =(((9) - 7)&1)?(buf.bn [((9) - 7)/2]>>32):(buf.bn[((9) - 7)/2]&(0xffffffffL )))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)):(t_d[(2)/2] =0)); (((10) - 7)>=0)?(((3)&1)?(t_d[(3)/2]|=(((10) - 7 )&1)?(buf.bn[((10) - 7)/2]&(0xffffffff00000000L)):(buf .bn[((10) - 7)/2]<<32)) :(t_d[(3)/2] =(((10) - 7)&1 )?(buf.bn[((10) - 7)/2]>>32):(buf.bn[((10) - 7)/2]& (0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)) :(t_d[(3)/2]=0)); (((11) - 7)>=0)?(((4)&1)?(t_d[(4)/2] |=(((11) - 7)&1)?(buf.bn[((11) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((11) - 7)/2]<<32)) :(t_d[(4)/2] =(((11) - 7 )&1)?(buf.bn[((11) - 7)/2]>>32):(buf.bn[((11) - 7)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((12) - 7)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((12) - 7)&1)?(buf.bn[((12) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 7)/2]<<32)) :(t_d[(5)/2] =(((12) - 7 )&1)?(buf.bn[((12) - 7)/2]>>32):(buf.bn[((12) - 7)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((13) - 7)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((13) - 7)&1)?(buf.bn[((13) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 7)/2]<<32)) :(t_d[(6)/2] =(((13) - 7 )&1)?(buf.bn[((13) - 7)/2]>>32):(buf.bn[((13) - 7)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); }; |
591 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
592 | nist_set_224(t_d, buf.bn, 0, 0, 0, 0, 13, 12, 11){ (((11) - 7)>=0)?(((0)&1)?(t_d[(0)/2]|=(((11) - 7)& 1)?(buf.bn[((11) - 7)/2]&(0xffffffff00000000L)):(buf.bn[( (11) - 7)/2]<<32)) :(t_d[(0)/2] =(((11) - 7)&1)?(buf .bn[((11) - 7)/2]>>32):(buf.bn[((11) - 7)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((12) - 7)>=0)?(((1)&1)?(t_d[(1)/2]|=(((12) - 7 )&1)?(buf.bn[((12) - 7)/2]&(0xffffffff00000000L)):(buf .bn[((12) - 7)/2]<<32)) :(t_d[(1)/2] =(((12) - 7)&1 )?(buf.bn[((12) - 7)/2]>>32):(buf.bn[((12) - 7)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((13) - 7)>=0)?(((2)&1)?(t_d[(2)/2] |=(((13) - 7)&1)?(buf.bn[((13) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 7)/2]<<32)) :(t_d[(2)/2] =(((13) - 7 )&1)?(buf.bn[((13) - 7)/2]>>32):(buf.bn[((13) - 7)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((0) - 7)>=0)?(((3)&1)?(t_d[(3)/2 ]|=(((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(3)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((0) - 7)>=0)?(((4)&1)?(t_d[(4)/2]|= (((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(4)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((0) - 7)>=0)?(((5)&1)?(t_d[(5)/2]|= (((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(5)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)): (t_d[(5)/2]=0)); (((0) - 7)>=0)?(((6)&1)?(t_d[(6)/2]|= (((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(6)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); }; |
593 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
594 | |
595 | # if BN_BITS2(8 * 8)==64 |
596 | carry = (int)(r_d[BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8) - 1] >> 32); |
597 | # endif |
598 | } |
599 | #endif |
600 | u.f = bn_sub_words; |
601 | if (carry > 0) { |
602 | carry = |
Value stored to 'carry' is never read | |
603 | (int)bn_sub_words(r_d, r_d, _nist_p_224[carry - 1], |
604 | BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
605 | #if BN_BITS2(8 * 8)==64 |
606 | carry = (int)(~(r_d[BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8) - 1] >> 32)) & 1; |
607 | #endif |
608 | } else if (carry < 0) { |
609 | /* |
610 | * it's a bit more complicated logic in this case. if bn_add_words |
611 | * yields no carry, then result has to be adjusted by unconditionally |
612 | * *adding* the modulus. but if it does, then result has to be |
613 | * compared to the modulus and conditionally adjusted by |
614 | * *subtracting* the latter. |
615 | */ |
616 | carry = |
617 | (int)bn_add_words(r_d, r_d, _nist_p_224[-carry - 1], |
618 | BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
619 | mask = 0 - (PTR_SIZE_INTsize_t) carry; |
620 | u.p = ((PTR_SIZE_INTsize_t) bn_sub_words & mask) | |
621 | ((PTR_SIZE_INTsize_t) bn_add_words & ~mask); |
622 | } else |
623 | carry = 1; |
624 | |
625 | /* otherwise it's effectively same as in BN_nist_mod_192... */ |
626 | mask = |
627 | 0 - (PTR_SIZE_INTsize_t) (*u.f) (c_d, r_d, _nist_p_224[0], BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
628 | mask &= 0 - (PTR_SIZE_INTsize_t) carry; |
629 | res = c_d; |
630 | res = (BN_ULONGunsigned long *)(((PTR_SIZE_INTsize_t) res & ~mask) | |
631 | ((PTR_SIZE_INTsize_t) r_d & mask)); |
632 | nist_cp_bn(r_d, res, BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8)); |
633 | r->top = BN_NIST_224_TOP(224+(8 * 8)-1)/(8 * 8); |
634 | bn_correct_top(r); |
635 | |
636 | return 1; |
637 | } |
638 | |
639 | #define nist_set_256(to, from, a1, a2, a3, a4, a5, a6, a7, a8){ (((a8) - 8)>=0)?(((0)&1)?(to[(0)/2]|=(((a8) - 8)& 1)?(from[((a8) - 8)/2]&(0xffffffff00000000L)):(from[((a8) - 8)/2]<<32)) :(to[(0)/2] =(((a8) - 8)&1)?(from[(( a8) - 8)/2]>>32):(from[((a8) - 8)/2]&(0xffffffffL)) )):(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0)) ; (((a7) - 8)>=0)?(((1)&1)?(to[(1)/2]|=(((a7) - 8)& 1)?(from[((a7) - 8)/2]&(0xffffffff00000000L)):(from[((a7) - 8)/2]<<32)) :(to[(1)/2] =(((a7) - 8)&1)?(from[(( a7) - 8)/2]>>32):(from[((a7) - 8)/2]&(0xffffffffL)) )):(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0)) ; (((a6) - 8)>=0)?(((2)&1)?(to[(2)/2]|=(((a6) - 8)& 1)?(from[((a6) - 8)/2]&(0xffffffff00000000L)):(from[((a6) - 8)/2]<<32)) :(to[(2)/2] =(((a6) - 8)&1)?(from[(( a6) - 8)/2]>>32):(from[((a6) - 8)/2]&(0xffffffffL)) )):(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0)) ; (((a5) - 8)>=0)?(((3)&1)?(to[(3)/2]|=(((a5) - 8)& 1)?(from[((a5) - 8)/2]&(0xffffffff00000000L)):(from[((a5) - 8)/2]<<32)) :(to[(3)/2] =(((a5) - 8)&1)?(from[(( a5) - 8)/2]>>32):(from[((a5) - 8)/2]&(0xffffffffL)) )):(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0)) ; (((a4) - 8)>=0)?(((4)&1)?(to[(4)/2]|=(((a4) - 8)& 1)?(from[((a4) - 8)/2]&(0xffffffff00000000L)):(from[((a4) - 8)/2]<<32)) :(to[(4)/2] =(((a4) - 8)&1)?(from[(( a4) - 8)/2]>>32):(from[((a4) - 8)/2]&(0xffffffffL)) )):(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0)) ; (((a3) - 8)>=0)?(((5)&1)?(to[(5)/2]|=(((a3) - 8)& 1)?(from[((a3) - 8)/2]&(0xffffffff00000000L)):(from[((a3) - 8)/2]<<32)) :(to[(5)/2] =(((a3) - 8)&1)?(from[(( a3) - 8)/2]>>32):(from[((a3) - 8)/2]&(0xffffffffL)) )):(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0)) ; (((a2) - 8)>=0)?(((6)&1)?(to[(6)/2]|=(((a2) - 8)& 1)?(from[((a2) - 8)/2]&(0xffffffff00000000L)):(from[((a2) - 8)/2]<<32)) :(to[(6)/2] =(((a2) - 8)&1)?(from[(( a2) - 8)/2]>>32):(from[((a2) - 8)/2]&(0xffffffffL)) )):(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0)) ; (((a1) - 8)>=0)?(((7)&1)?(to[(7)/2]|=(((a1) - 8)& 1)?(from[((a1) - 8)/2]&(0xffffffff00000000L)):(from[((a1) - 8)/2]<<32)) :(to[(7)/2] =(((a1) - 8)&1)?(from[(( a1) - 8)/2]>>32):(from[((a1) - 8)/2]&(0xffffffffL)) )):(((7)&1)?(to[(7)/2]&=(0xffffffffL)):(to[(7)/2]=0)) ; } \ |
640 | { \ |
641 | bn_cp_32(to, 0, from, (a8) - 8)(((a8) - 8)>=0)?(((0)&1)?(to[(0)/2]|=(((a8) - 8)&1 )?(from[((a8) - 8)/2]&(0xffffffff00000000L)):(from[((a8) - 8)/2]<<32)) :(to[(0)/2] =(((a8) - 8)&1)?(from[((a8 ) - 8)/2]>>32):(from[((a8) - 8)/2]&(0xffffffffL)))) :(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0)); \ |
642 | bn_cp_32(to, 1, from, (a7) - 8)(((a7) - 8)>=0)?(((1)&1)?(to[(1)/2]|=(((a7) - 8)&1 )?(from[((a7) - 8)/2]&(0xffffffff00000000L)):(from[((a7) - 8)/2]<<32)) :(to[(1)/2] =(((a7) - 8)&1)?(from[((a7 ) - 8)/2]>>32):(from[((a7) - 8)/2]&(0xffffffffL)))) :(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0)); \ |
643 | bn_cp_32(to, 2, from, (a6) - 8)(((a6) - 8)>=0)?(((2)&1)?(to[(2)/2]|=(((a6) - 8)&1 )?(from[((a6) - 8)/2]&(0xffffffff00000000L)):(from[((a6) - 8)/2]<<32)) :(to[(2)/2] =(((a6) - 8)&1)?(from[((a6 ) - 8)/2]>>32):(from[((a6) - 8)/2]&(0xffffffffL)))) :(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0)); \ |
644 | bn_cp_32(to, 3, from, (a5) - 8)(((a5) - 8)>=0)?(((3)&1)?(to[(3)/2]|=(((a5) - 8)&1 )?(from[((a5) - 8)/2]&(0xffffffff00000000L)):(from[((a5) - 8)/2]<<32)) :(to[(3)/2] =(((a5) - 8)&1)?(from[((a5 ) - 8)/2]>>32):(from[((a5) - 8)/2]&(0xffffffffL)))) :(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0)); \ |
645 | bn_cp_32(to, 4, from, (a4) - 8)(((a4) - 8)>=0)?(((4)&1)?(to[(4)/2]|=(((a4) - 8)&1 )?(from[((a4) - 8)/2]&(0xffffffff00000000L)):(from[((a4) - 8)/2]<<32)) :(to[(4)/2] =(((a4) - 8)&1)?(from[((a4 ) - 8)/2]>>32):(from[((a4) - 8)/2]&(0xffffffffL)))) :(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0)); \ |
646 | bn_cp_32(to, 5, from, (a3) - 8)(((a3) - 8)>=0)?(((5)&1)?(to[(5)/2]|=(((a3) - 8)&1 )?(from[((a3) - 8)/2]&(0xffffffff00000000L)):(from[((a3) - 8)/2]<<32)) :(to[(5)/2] =(((a3) - 8)&1)?(from[((a3 ) - 8)/2]>>32):(from[((a3) - 8)/2]&(0xffffffffL)))) :(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0)); \ |
647 | bn_cp_32(to, 6, from, (a2) - 8)(((a2) - 8)>=0)?(((6)&1)?(to[(6)/2]|=(((a2) - 8)&1 )?(from[((a2) - 8)/2]&(0xffffffff00000000L)):(from[((a2) - 8)/2]<<32)) :(to[(6)/2] =(((a2) - 8)&1)?(from[((a2 ) - 8)/2]>>32):(from[((a2) - 8)/2]&(0xffffffffL)))) :(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0)); \ |
648 | bn_cp_32(to, 7, from, (a1) - 8)(((a1) - 8)>=0)?(((7)&1)?(to[(7)/2]|=(((a1) - 8)&1 )?(from[((a1) - 8)/2]&(0xffffffff00000000L)):(from[((a1) - 8)/2]<<32)) :(to[(7)/2] =(((a1) - 8)&1)?(from[((a1 ) - 8)/2]>>32):(from[((a1) - 8)/2]&(0xffffffffL)))) :(((7)&1)?(to[(7)/2]&=(0xffffffffL)):(to[(7)/2]=0)); \ |
649 | } |
650 | |
651 | int BN_nist_mod_256(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, |
652 | BN_CTX *ctx) |
653 | { |
654 | int i, top = a->top; |
655 | int carry = 0; |
656 | register BN_ULONGunsigned long *a_d = a->d, *r_d; |
657 | union { |
658 | BN_ULONGunsigned long bn[BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)]; |
659 | unsigned int ui[BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8) * sizeof(BN_ULONGunsigned long) / |
660 | sizeof(unsigned int)]; |
661 | } buf; |
662 | BN_ULONGunsigned long c_d[BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)], *res; |
663 | PTR_SIZE_INTsize_t mask; |
664 | union { |
665 | bn_addsub_f f; |
666 | PTR_SIZE_INTsize_t p; |
667 | } u; |
668 | static const BIGNUM ossl_bignum_nist_p_256_sqr = { |
669 | (BN_ULONGunsigned long *)_nist_p_256_sqr, |
670 | OSSL_NELEM(_nist_p_256_sqr)(sizeof(_nist_p_256_sqr)/sizeof((_nist_p_256_sqr)[0])), |
671 | OSSL_NELEM(_nist_p_256_sqr)(sizeof(_nist_p_256_sqr)/sizeof((_nist_p_256_sqr)[0])), |
672 | 0, BN_FLG_STATIC_DATA0x02 |
673 | }; |
674 | |
675 | field = &ossl_bignum_nist_p_256; /* just to make sure */ |
676 | |
677 | if (BN_is_negative(a) || BN_ucmp(a, &ossl_bignum_nist_p_256_sqr) >= 0) |
678 | return BN_nnmod(r, a, field, ctx); |
679 | |
680 | i = BN_ucmp(field, a); |
681 | if (i == 0) { |
682 | BN_zero(r)BN_zero_ex(r); |
683 | return 1; |
684 | } else if (i > 0) |
685 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void*)0)); |
686 | |
687 | if (r != a) { |
688 | if (!bn_wexpand(r, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8))) |
689 | return 0; |
690 | r_d = r->d; |
691 | nist_cp_bn(r_d, a_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
692 | } else |
693 | r_d = a_d; |
694 | |
695 | nist_cp_bn_0(buf.bn, a_d + BN_NIST_256_TOP, top - BN_NIST_256_TOP,{ int ii; const unsigned long *src = a_d + (256+(8 * 8)-1)/(8 * 8); for (ii = 0; ii < top - (256+(8 * 8)-1)/(8 * 8); ii ++) (buf.bn)[ii] = src[ii]; for (; ii < (256+(8 * 8)-1)/(8 * 8); ii++) (buf.bn)[ii] = 0; } |
696 | BN_NIST_256_TOP){ int ii; const unsigned long *src = a_d + (256+(8 * 8)-1)/(8 * 8); for (ii = 0; ii < top - (256+(8 * 8)-1)/(8 * 8); ii ++) (buf.bn)[ii] = src[ii]; for (; ii < (256+(8 * 8)-1)/(8 * 8); ii++) (buf.bn)[ii] = 0; }; |
697 | |
698 | #if defined(NIST_INT64long long) |
699 | { |
700 | NIST_INT64long long acc; /* accumulator */ |
701 | unsigned int *rp = (unsigned int *)r_d; |
702 | const unsigned int *bp = (const unsigned int *)buf.ui; |
703 | |
704 | acc = rp[0]; |
705 | acc += bp[8 - 8]; |
706 | acc += bp[9 - 8]; |
707 | acc -= bp[11 - 8]; |
708 | acc -= bp[12 - 8]; |
709 | acc -= bp[13 - 8]; |
710 | acc -= bp[14 - 8]; |
711 | rp[0] = (unsigned int)acc; |
712 | acc >>= 32; |
713 | |
714 | acc += rp[1]; |
715 | acc += bp[9 - 8]; |
716 | acc += bp[10 - 8]; |
717 | acc -= bp[12 - 8]; |
718 | acc -= bp[13 - 8]; |
719 | acc -= bp[14 - 8]; |
720 | acc -= bp[15 - 8]; |
721 | rp[1] = (unsigned int)acc; |
722 | acc >>= 32; |
723 | |
724 | acc += rp[2]; |
725 | acc += bp[10 - 8]; |
726 | acc += bp[11 - 8]; |
727 | acc -= bp[13 - 8]; |
728 | acc -= bp[14 - 8]; |
729 | acc -= bp[15 - 8]; |
730 | rp[2] = (unsigned int)acc; |
731 | acc >>= 32; |
732 | |
733 | acc += rp[3]; |
734 | acc += bp[11 - 8]; |
735 | acc += bp[11 - 8]; |
736 | acc += bp[12 - 8]; |
737 | acc += bp[12 - 8]; |
738 | acc += bp[13 - 8]; |
739 | acc -= bp[15 - 8]; |
740 | acc -= bp[8 - 8]; |
741 | acc -= bp[9 - 8]; |
742 | rp[3] = (unsigned int)acc; |
743 | acc >>= 32; |
744 | |
745 | acc += rp[4]; |
746 | acc += bp[12 - 8]; |
747 | acc += bp[12 - 8]; |
748 | acc += bp[13 - 8]; |
749 | acc += bp[13 - 8]; |
750 | acc += bp[14 - 8]; |
751 | acc -= bp[9 - 8]; |
752 | acc -= bp[10 - 8]; |
753 | rp[4] = (unsigned int)acc; |
754 | acc >>= 32; |
755 | |
756 | acc += rp[5]; |
757 | acc += bp[13 - 8]; |
758 | acc += bp[13 - 8]; |
759 | acc += bp[14 - 8]; |
760 | acc += bp[14 - 8]; |
761 | acc += bp[15 - 8]; |
762 | acc -= bp[10 - 8]; |
763 | acc -= bp[11 - 8]; |
764 | rp[5] = (unsigned int)acc; |
765 | acc >>= 32; |
766 | |
767 | acc += rp[6]; |
768 | acc += bp[14 - 8]; |
769 | acc += bp[14 - 8]; |
770 | acc += bp[15 - 8]; |
771 | acc += bp[15 - 8]; |
772 | acc += bp[14 - 8]; |
773 | acc += bp[13 - 8]; |
774 | acc -= bp[8 - 8]; |
775 | acc -= bp[9 - 8]; |
776 | rp[6] = (unsigned int)acc; |
777 | acc >>= 32; |
778 | |
779 | acc += rp[7]; |
780 | acc += bp[15 - 8]; |
781 | acc += bp[15 - 8]; |
782 | acc += bp[15 - 8]; |
783 | acc += bp[8 - 8]; |
784 | acc -= bp[10 - 8]; |
785 | acc -= bp[11 - 8]; |
786 | acc -= bp[12 - 8]; |
787 | acc -= bp[13 - 8]; |
788 | rp[7] = (unsigned int)acc; |
789 | |
790 | carry = (int)(acc >> 32); |
791 | } |
792 | #else |
793 | { |
794 | BN_ULONGunsigned long t_d[BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)]; |
795 | |
796 | /* |
797 | * S1 |
798 | */ |
799 | nist_set_256(t_d, buf.bn, 15, 14, 13, 12, 11, 0, 0, 0){ (((0) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(t_d[(0)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(t_d[(1)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((0) - 8)>=0)?(((2)&1)?(t_d[(2)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(t_d[(2)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)):(t_d[(2)/2] =0)); (((11) - 8)>=0)?(((3)&1)?(t_d[(3)/2]|=(((11) - 8 )&1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((11) - 8)/2]<<32)) :(t_d[(3)/2] =(((11) - 8)&1 )?(buf.bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/2]& (0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)) :(t_d[(3)/2]=0)); (((12) - 8)>=0)?(((4)&1)?(t_d[(4)/2] |=(((12) - 8)&1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 8)/2]<<32)) :(t_d[(4)/2] =(((12) - 8 )&1)?(buf.bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((13) - 8)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(5)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((14) - 8)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(t_d[(6)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((15) - 8)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(7)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
800 | /* |
801 | * S2 |
802 | */ |
803 | nist_set_256(c_d, buf.bn, 0, 15, 14, 13, 12, 0, 0, 0){ (((0) - 8)>=0)?(((0)&1)?(c_d[(0)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(c_d[(0)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((0)&1)?(c_d[(0)/2]&=(0xffffffffL)):(c_d[(0)/2] =0)); (((0) - 8)>=0)?(((1)&1)?(c_d[(1)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(c_d[(1)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((1)&1)?(c_d[(1)/2]&=(0xffffffffL)):(c_d[(1)/2] =0)); (((0) - 8)>=0)?(((2)&1)?(c_d[(2)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(c_d[(2)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((2)&1)?(c_d[(2)/2]&=(0xffffffffL)):(c_d[(2)/2] =0)); (((12) - 8)>=0)?(((3)&1)?(c_d[(3)/2]|=(((12) - 8 )&1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((12) - 8)/2]<<32)) :(c_d[(3)/2] =(((12) - 8)&1 )?(buf.bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/2]& (0xffffffffL)))):(((3)&1)?(c_d[(3)/2]&=(0xffffffffL)) :(c_d[(3)/2]=0)); (((13) - 8)>=0)?(((4)&1)?(c_d[(4)/2] |=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(c_d[(4)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((4)&1)?(c_d[(4)/2]&=(0xffffffffL )):(c_d[(4)/2]=0)); (((14) - 8)>=0)?(((5)&1)?(c_d[(5)/ 2]|=(((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(c_d[(5)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(c_d[(5)/2]&=(0xffffffffL )):(c_d[(5)/2]=0)); (((15) - 8)>=0)?(((6)&1)?(c_d[(6)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(c_d[(6)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((6)&1)?(c_d[(6)/2]&=(0xffffffffL )):(c_d[(6)/2]=0)); (((0) - 8)>=0)?(((7)&1)?(c_d[(7)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(c_d[(7)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((7)&1)?(c_d[(7)/2]&=(0xffffffffL)): (c_d[(7)/2]=0)); }; |
804 | carry = (int)bn_add_words(t_d, t_d, c_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
805 | /* left shift */ |
806 | { |
807 | register BN_ULONGunsigned long *ap, t, c; |
808 | ap = t_d; |
809 | c = 0; |
810 | for (i = BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8); i != 0; --i) { |
811 | t = *ap; |
812 | *(ap++) = ((t << 1) | c) & BN_MASK2(0xffffffffffffffffL); |
813 | c = (t & BN_TBIT((unsigned long)1 << ((8 * 8) - 1))) ? 1 : 0; |
814 | } |
815 | carry <<= 1; |
816 | carry |= c; |
817 | } |
818 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
819 | /* |
820 | * S3 |
821 | */ |
822 | nist_set_256(t_d, buf.bn, 15, 14, 0, 0, 0, 10, 9, 8){ (((8) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((8) - 8)& 1)?(buf.bn[((8) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 8) - 8)/2]<<32)) :(t_d[(0)/2] =(((8) - 8)&1)?(buf.bn [((8) - 8)/2]>>32):(buf.bn[((8) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((9) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 9) - 8)/2]<<32)) :(t_d[(1)/2] =(((9) - 8)&1)?(buf.bn [((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((10) - 8)>=0)?(((2)&1)?(t_d[(2)/2]|=(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((10) - 8)/2]<<32)) :(t_d[(2)/2] =(((10) - 8)&1 )?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/2]& (0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)) :(t_d[(2)/2]=0)); (((0) - 8)>=0)?(((3)&1)?(t_d[(3)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(3)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((0) - 8)>=0)?(((4)&1)?(t_d[(4)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(4)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((0) - 8)>=0)?(((5)&1)?(t_d[(5)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(5)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)): (t_d[(5)/2]=0)); (((14) - 8)>=0)?(((6)&1)?(t_d[(6)/2]|= (((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(t_d[(6)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((15) - 8)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(7)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
823 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
824 | /* |
825 | * S4 |
826 | */ |
827 | nist_set_256(t_d, buf.bn, 8, 13, 15, 14, 13, 11, 10, 9){ (((9) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 9) - 8)/2]<<32)) :(t_d[(0)/2] =(((9) - 8)&1)?(buf.bn [((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((10) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((10) - 8)/2]<<32)) :(t_d[(1)/2] =(((10) - 8)&1 )?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((11) - 8)>=0)?(((2)&1)?(t_d[(2)/2] |=(((11) - 8)&1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((11) - 8)/2]<<32)) :(t_d[(2)/2] =(((11) - 8 )&1)?(buf.bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((13) - 8)>=0)?(((3)&1)?(t_d[(3)/ 2]|=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(3)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((14) - 8)>=0)?(((4)&1)?(t_d[(4)/ 2]|=(((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(t_d[(4)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((15) - 8)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(5)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((13) - 8)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(6)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((8) - 8)>=0)?(((7)&1)?(t_d[(7)/2 ]|=(((8) - 8)&1)?(buf.bn[((8) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((8) - 8)/2]<<32)) :(t_d[(7)/2] =(((8) - 8)& 1)?(buf.bn[((8) - 8)/2]>>32):(buf.bn[((8) - 8)/2]&( 0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL)): (t_d[(7)/2]=0)); }; |
828 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
829 | /* |
830 | * D1 |
831 | */ |
832 | nist_set_256(t_d, buf.bn, 10, 8, 0, 0, 0, 13, 12, 11){ (((11) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((11) - 8)& 1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L)):(buf.bn[( (11) - 8)/2]<<32)) :(t_d[(0)/2] =(((11) - 8)&1)?(buf .bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((12) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((12) - 8 )&1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((12) - 8)/2]<<32)) :(t_d[(1)/2] =(((12) - 8)&1 )?(buf.bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((13) - 8)>=0)?(((2)&1)?(t_d[(2)/2] |=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(2)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((0) - 8)>=0)?(((3)&1)?(t_d[(3)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(3)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((0) - 8)>=0)?(((4)&1)?(t_d[(4)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(4)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((0) - 8)>=0)?(((5)&1)?(t_d[(5)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(5)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)): (t_d[(5)/2]=0)); (((8) - 8)>=0)?(((6)&1)?(t_d[(6)/2]|= (((8) - 8)&1)?(buf.bn[((8) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((8) - 8)/2]<<32)) :(t_d[(6)/2] =(((8) - 8)& 1)?(buf.bn[((8) - 8)/2]>>32):(buf.bn[((8) - 8)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); (((10) - 8)>=0)?(((7)&1)?(t_d[(7)/2]|= (((10) - 8)&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((10) - 8)/2]<<32)) :(t_d[(7)/2] =(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
833 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
834 | /* |
835 | * D2 |
836 | */ |
837 | nist_set_256(t_d, buf.bn, 11, 9, 0, 0, 15, 14, 13, 12){ (((12) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((12) - 8)& 1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L)):(buf.bn[( (12) - 8)/2]<<32)) :(t_d[(0)/2] =(((12) - 8)&1)?(buf .bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((13) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((13) - 8)/2]<<32)) :(t_d[(1)/2] =(((13) - 8)&1 )?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((14) - 8)>=0)?(((2)&1)?(t_d[(2)/2] |=(((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(t_d[(2)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((15) - 8)>=0)?(((3)&1)?(t_d[(3)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(3)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((0) - 8)>=0)?(((4)&1)?(t_d[(4)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(4)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((0) - 8)>=0)?(((5)&1)?(t_d[(5)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(5)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)): (t_d[(5)/2]=0)); (((9) - 8)>=0)?(((6)&1)?(t_d[(6)/2]|= (((9) - 8)&1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((9) - 8)/2]<<32)) :(t_d[(6)/2] =(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); (((11) - 8)>=0)?(((7)&1)?(t_d[(7)/2]|= (((11) - 8)&1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((11) - 8)/2]<<32)) :(t_d[(7)/2] =(((11) - 8 )&1)?(buf.bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
838 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
839 | /* |
840 | * D3 |
841 | */ |
842 | nist_set_256(t_d, buf.bn, 12, 0, 10, 9, 8, 15, 14, 13){ (((13) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((13) - 8)& 1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L)):(buf.bn[( (13) - 8)/2]<<32)) :(t_d[(0)/2] =(((13) - 8)&1)?(buf .bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((14) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((14) - 8)/2]<<32)) :(t_d[(1)/2] =(((14) - 8)&1 )?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((15) - 8)>=0)?(((2)&1)?(t_d[(2)/2] |=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(2)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((8) - 8)>=0)?(((3)&1)?(t_d[(3)/2 ]|=(((8) - 8)&1)?(buf.bn[((8) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((8) - 8)/2]<<32)) :(t_d[(3)/2] =(((8) - 8)& 1)?(buf.bn[((8) - 8)/2]>>32):(buf.bn[((8) - 8)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((9) - 8)>=0)?(((4)&1)?(t_d[(4)/2]|= (((9) - 8)&1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((9) - 8)/2]<<32)) :(t_d[(4)/2] =(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((10) - 8)>=0)?(((5)&1)?(t_d[(5)/2]|= (((10) - 8)&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((10) - 8)/2]<<32)) :(t_d[(5)/2] =(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 8)>=0)?(((6)&1)?(t_d[(6)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(6)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); (((12) - 8)>=0)?(((7)&1)?(t_d[(7)/2]|= (((12) - 8)&1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 8)/2]<<32)) :(t_d[(7)/2] =(((12) - 8 )&1)?(buf.bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
843 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
844 | /* |
845 | * D4 |
846 | */ |
847 | nist_set_256(t_d, buf.bn, 13, 0, 11, 10, 9, 0, 15, 14){ (((14) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((14) - 8)& 1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L)):(buf.bn[( (14) - 8)/2]<<32)) :(t_d[(0)/2] =(((14) - 8)&1)?(buf .bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((15) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((15) - 8)/2]<<32)) :(t_d[(1)/2] =(((15) - 8)&1 )?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 8)>=0)?(((2)&1)?(t_d[(2)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(2)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)): (t_d[(2)/2]=0)); (((9) - 8)>=0)?(((3)&1)?(t_d[(3)/2]|= (((9) - 8)&1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((9) - 8)/2]<<32)) :(t_d[(3)/2] =(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((10) - 8)>=0)?(((4)&1)?(t_d[(4)/2]|= (((10) - 8)&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((10) - 8)/2]<<32)) :(t_d[(4)/2] =(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((11) - 8)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((11) - 8)&1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((11) - 8)/2]<<32)) :(t_d[(5)/2] =(((11) - 8 )&1)?(buf.bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 8)>=0)?(((6)&1)?(t_d[(6)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(6)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); (((13) - 8)>=0)?(((7)&1)?(t_d[(7)/2]|= (((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(7)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
848 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
849 | |
850 | } |
851 | #endif |
852 | /* see BN_nist_mod_224 for explanation */ |
853 | u.f = bn_sub_words; |
854 | if (carry > 0) |
855 | carry = |
856 | (int)bn_sub_words(r_d, r_d, _nist_p_256[carry - 1], |
857 | BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
858 | else if (carry < 0) { |
859 | carry = |
860 | (int)bn_add_words(r_d, r_d, _nist_p_256[-carry - 1], |
861 | BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
862 | mask = 0 - (PTR_SIZE_INTsize_t) carry; |
863 | u.p = ((PTR_SIZE_INTsize_t) bn_sub_words & mask) | |
864 | ((PTR_SIZE_INTsize_t) bn_add_words & ~mask); |
865 | } else |
866 | carry = 1; |
867 | |
868 | mask = |
869 | 0 - (PTR_SIZE_INTsize_t) (*u.f) (c_d, r_d, _nist_p_256[0], BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
870 | mask &= 0 - (PTR_SIZE_INTsize_t) carry; |
871 | res = c_d; |
872 | res = (BN_ULONGunsigned long *)(((PTR_SIZE_INTsize_t) res & ~mask) | |
873 | ((PTR_SIZE_INTsize_t) r_d & mask)); |
874 | nist_cp_bn(r_d, res, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
875 | r->top = BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8); |
876 | bn_correct_top(r); |
877 | |
878 | return 1; |
879 | } |
880 | |
881 | #define nist_set_384(to,from,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12){ (((a12) - 12)>=0)?(((0)&1)?(to[(0)/2]|=(((a12) - 12) &1)?(from[((a12) - 12)/2]&(0xffffffff00000000L)):(from [((a12) - 12)/2]<<32)) :(to[(0)/2] =(((a12) - 12)&1 )?(from[((a12) - 12)/2]>>32):(from[((a12) - 12)/2]& (0xffffffffL)))):(((0)&1)?(to[(0)/2]&=(0xffffffffL)): (to[(0)/2]=0)); (((a11) - 12)>=0)?(((1)&1)?(to[(1)/2]|= (((a11) - 12)&1)?(from[((a11) - 12)/2]&(0xffffffff00000000L )):(from[((a11) - 12)/2]<<32)) :(to[(1)/2] =(((a11) - 12 )&1)?(from[((a11) - 12)/2]>>32):(from[((a11) - 12)/ 2]&(0xffffffffL)))):(((1)&1)?(to[(1)/2]&=(0xffffffffL )):(to[(1)/2]=0)); (((a10) - 12)>=0)?(((2)&1)?(to[(2)/ 2]|=(((a10) - 12)&1)?(from[((a10) - 12)/2]&(0xffffffff00000000L )):(from[((a10) - 12)/2]<<32)) :(to[(2)/2] =(((a10) - 12 )&1)?(from[((a10) - 12)/2]>>32):(from[((a10) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(to[(2)/2]&=(0xffffffffL )):(to[(2)/2]=0)); (((a9) - 12)>=0)?(((3)&1)?(to[(3)/2 ]|=(((a9) - 12)&1)?(from[((a9) - 12)/2]&(0xffffffff00000000L )):(from[((a9) - 12)/2]<<32)) :(to[(3)/2] =(((a9) - 12) &1)?(from[((a9) - 12)/2]>>32):(from[((a9) - 12)/2]& (0xffffffffL)))):(((3)&1)?(to[(3)/2]&=(0xffffffffL)): (to[(3)/2]=0)); (((a8) - 12)>=0)?(((4)&1)?(to[(4)/2]|= (((a8) - 12)&1)?(from[((a8) - 12)/2]&(0xffffffff00000000L )):(from[((a8) - 12)/2]<<32)) :(to[(4)/2] =(((a8) - 12) &1)?(from[((a8) - 12)/2]>>32):(from[((a8) - 12)/2]& (0xffffffffL)))):(((4)&1)?(to[(4)/2]&=(0xffffffffL)): (to[(4)/2]=0)); (((a7) - 12)>=0)?(((5)&1)?(to[(5)/2]|= (((a7) - 12)&1)?(from[((a7) - 12)/2]&(0xffffffff00000000L )):(from[((a7) - 12)/2]<<32)) :(to[(5)/2] =(((a7) - 12) &1)?(from[((a7) - 12)/2]>>32):(from[((a7) - 12)/2]& (0xffffffffL)))):(((5)&1)?(to[(5)/2]&=(0xffffffffL)): (to[(5)/2]=0)); (((a6) - 12)>=0)?(((6)&1)?(to[(6)/2]|= (((a6) - 12)&1)?(from[((a6) - 12)/2]&(0xffffffff00000000L )):(from[((a6) - 12)/2]<<32)) :(to[(6)/2] =(((a6) - 12) &1)?(from[((a6) - 12)/2]>>32):(from[((a6) - 12)/2]& (0xffffffffL)))):(((6)&1)?(to[(6)/2]&=(0xffffffffL)): (to[(6)/2]=0)); (((a5) - 12)>=0)?(((7)&1)?(to[(7)/2]|= (((a5) - 12)&1)?(from[((a5) - 12)/2]&(0xffffffff00000000L )):(from[((a5) - 12)/2]<<32)) :(to[(7)/2] =(((a5) - 12) &1)?(from[((a5) - 12)/2]>>32):(from[((a5) - 12)/2]& (0xffffffffL)))):(((7)&1)?(to[(7)/2]&=(0xffffffffL)): (to[(7)/2]=0)); (((a4) - 12)>=0)?(((8)&1)?(to[(8)/2]|= (((a4) - 12)&1)?(from[((a4) - 12)/2]&(0xffffffff00000000L )):(from[((a4) - 12)/2]<<32)) :(to[(8)/2] =(((a4) - 12) &1)?(from[((a4) - 12)/2]>>32):(from[((a4) - 12)/2]& (0xffffffffL)))):(((8)&1)?(to[(8)/2]&=(0xffffffffL)): (to[(8)/2]=0)); (((a3) - 12)>=0)?(((9)&1)?(to[(9)/2]|= (((a3) - 12)&1)?(from[((a3) - 12)/2]&(0xffffffff00000000L )):(from[((a3) - 12)/2]<<32)) :(to[(9)/2] =(((a3) - 12) &1)?(from[((a3) - 12)/2]>>32):(from[((a3) - 12)/2]& (0xffffffffL)))):(((9)&1)?(to[(9)/2]&=(0xffffffffL)): (to[(9)/2]=0)); (((a2) - 12)>=0)?(((10)&1)?(to[(10)/2] |=(((a2) - 12)&1)?(from[((a2) - 12)/2]&(0xffffffff00000000L )):(from[((a2) - 12)/2]<<32)) :(to[(10)/2] =(((a2) - 12 )&1)?(from[((a2) - 12)/2]>>32):(from[((a2) - 12)/2] &(0xffffffffL)))):(((10)&1)?(to[(10)/2]&=(0xffffffffL )):(to[(10)/2]=0)); (((a1) - 12)>=0)?(((11)&1)?(to[(11 )/2]|=(((a1) - 12)&1)?(from[((a1) - 12)/2]&(0xffffffff00000000L )):(from[((a1) - 12)/2]<<32)) :(to[(11)/2] =(((a1) - 12 )&1)?(from[((a1) - 12)/2]>>32):(from[((a1) - 12)/2] &(0xffffffffL)))):(((11)&1)?(to[(11)/2]&=(0xffffffffL )):(to[(11)/2]=0)); } \ |
882 | { \ |
883 | bn_cp_32(to, 0, from, (a12) - 12)(((a12) - 12)>=0)?(((0)&1)?(to[(0)/2]|=(((a12) - 12)& 1)?(from[((a12) - 12)/2]&(0xffffffff00000000L)):(from[((a12 ) - 12)/2]<<32)) :(to[(0)/2] =(((a12) - 12)&1)?(from [((a12) - 12)/2]>>32):(from[((a12) - 12)/2]&(0xffffffffL )))):(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0 )); \ |
884 | bn_cp_32(to, 1, from, (a11) - 12)(((a11) - 12)>=0)?(((1)&1)?(to[(1)/2]|=(((a11) - 12)& 1)?(from[((a11) - 12)/2]&(0xffffffff00000000L)):(from[((a11 ) - 12)/2]<<32)) :(to[(1)/2] =(((a11) - 12)&1)?(from [((a11) - 12)/2]>>32):(from[((a11) - 12)/2]&(0xffffffffL )))):(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0 )); \ |
885 | bn_cp_32(to, 2, from, (a10) - 12)(((a10) - 12)>=0)?(((2)&1)?(to[(2)/2]|=(((a10) - 12)& 1)?(from[((a10) - 12)/2]&(0xffffffff00000000L)):(from[((a10 ) - 12)/2]<<32)) :(to[(2)/2] =(((a10) - 12)&1)?(from [((a10) - 12)/2]>>32):(from[((a10) - 12)/2]&(0xffffffffL )))):(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0 )); \ |
886 | bn_cp_32(to, 3, from, (a9) - 12)(((a9) - 12)>=0)?(((3)&1)?(to[(3)/2]|=(((a9) - 12)& 1)?(from[((a9) - 12)/2]&(0xffffffff00000000L)):(from[((a9 ) - 12)/2]<<32)) :(to[(3)/2] =(((a9) - 12)&1)?(from [((a9) - 12)/2]>>32):(from[((a9) - 12)/2]&(0xffffffffL )))):(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0 )); \ |
887 | bn_cp_32(to, 4, from, (a8) - 12)(((a8) - 12)>=0)?(((4)&1)?(to[(4)/2]|=(((a8) - 12)& 1)?(from[((a8) - 12)/2]&(0xffffffff00000000L)):(from[((a8 ) - 12)/2]<<32)) :(to[(4)/2] =(((a8) - 12)&1)?(from [((a8) - 12)/2]>>32):(from[((a8) - 12)/2]&(0xffffffffL )))):(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0 )); \ |
888 | bn_cp_32(to, 5, from, (a7) - 12)(((a7) - 12)>=0)?(((5)&1)?(to[(5)/2]|=(((a7) - 12)& 1)?(from[((a7) - 12)/2]&(0xffffffff00000000L)):(from[((a7 ) - 12)/2]<<32)) :(to[(5)/2] =(((a7) - 12)&1)?(from [((a7) - 12)/2]>>32):(from[((a7) - 12)/2]&(0xffffffffL )))):(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0 )); \ |
889 | bn_cp_32(to, 6, from, (a6) - 12)(((a6) - 12)>=0)?(((6)&1)?(to[(6)/2]|=(((a6) - 12)& 1)?(from[((a6) - 12)/2]&(0xffffffff00000000L)):(from[((a6 ) - 12)/2]<<32)) :(to[(6)/2] =(((a6) - 12)&1)?(from [((a6) - 12)/2]>>32):(from[((a6) - 12)/2]&(0xffffffffL )))):(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0 )); \ |
890 | bn_cp_32(to, 7, from, (a5) - 12)(((a5) - 12)>=0)?(((7)&1)?(to[(7)/2]|=(((a5) - 12)& 1)?(from[((a5) - 12)/2]&(0xffffffff00000000L)):(from[((a5 ) - 12)/2]<<32)) :(to[(7)/2] =(((a5) - 12)&1)?(from [((a5) - 12)/2]>>32):(from[((a5) - 12)/2]&(0xffffffffL )))):(((7)&1)?(to[(7)/2]&=(0xffffffffL)):(to[(7)/2]=0 )); \ |
891 | bn_cp_32(to, 8, from, (a4) - 12)(((a4) - 12)>=0)?(((8)&1)?(to[(8)/2]|=(((a4) - 12)& 1)?(from[((a4) - 12)/2]&(0xffffffff00000000L)):(from[((a4 ) - 12)/2]<<32)) :(to[(8)/2] =(((a4) - 12)&1)?(from [((a4) - 12)/2]>>32):(from[((a4) - 12)/2]&(0xffffffffL )))):(((8)&1)?(to[(8)/2]&=(0xffffffffL)):(to[(8)/2]=0 )); \ |
892 | bn_cp_32(to, 9, from, (a3) - 12)(((a3) - 12)>=0)?(((9)&1)?(to[(9)/2]|=(((a3) - 12)& 1)?(from[((a3) - 12)/2]&(0xffffffff00000000L)):(from[((a3 ) - 12)/2]<<32)) :(to[(9)/2] =(((a3) - 12)&1)?(from [((a3) - 12)/2]>>32):(from[((a3) - 12)/2]&(0xffffffffL )))):(((9)&1)?(to[(9)/2]&=(0xffffffffL)):(to[(9)/2]=0 )); \ |
893 | bn_cp_32(to, 10, from, (a2) - 12)(((a2) - 12)>=0)?(((10)&1)?(to[(10)/2]|=(((a2) - 12)& 1)?(from[((a2) - 12)/2]&(0xffffffff00000000L)):(from[((a2 ) - 12)/2]<<32)) :(to[(10)/2] =(((a2) - 12)&1)?(from [((a2) - 12)/2]>>32):(from[((a2) - 12)/2]&(0xffffffffL )))):(((10)&1)?(to[(10)/2]&=(0xffffffffL)):(to[(10)/2 ]=0)); \ |
894 | bn_cp_32(to, 11, from, (a1) - 12)(((a1) - 12)>=0)?(((11)&1)?(to[(11)/2]|=(((a1) - 12)& 1)?(from[((a1) - 12)/2]&(0xffffffff00000000L)):(from[((a1 ) - 12)/2]<<32)) :(to[(11)/2] =(((a1) - 12)&1)?(from [((a1) - 12)/2]>>32):(from[((a1) - 12)/2]&(0xffffffffL )))):(((11)&1)?(to[(11)/2]&=(0xffffffffL)):(to[(11)/2 ]=0)); \ |
895 | } |
896 | |
897 | int BN_nist_mod_384(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, |
898 | BN_CTX *ctx) |
899 | { |
900 | int i, top = a->top; |
901 | int carry = 0; |
902 | register BN_ULONGunsigned long *r_d, *a_d = a->d; |
903 | union { |
904 | BN_ULONGunsigned long bn[BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)]; |
905 | unsigned int ui[BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8) * sizeof(BN_ULONGunsigned long) / |
906 | sizeof(unsigned int)]; |
907 | } buf; |
908 | BN_ULONGunsigned long c_d[BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)], *res; |
909 | PTR_SIZE_INTsize_t mask; |
910 | union { |
911 | bn_addsub_f f; |
912 | PTR_SIZE_INTsize_t p; |
913 | } u; |
914 | static const BIGNUM ossl_bignum_nist_p_384_sqr = { |
915 | (BN_ULONGunsigned long *)_nist_p_384_sqr, |
916 | OSSL_NELEM(_nist_p_384_sqr)(sizeof(_nist_p_384_sqr)/sizeof((_nist_p_384_sqr)[0])), |
917 | OSSL_NELEM(_nist_p_384_sqr)(sizeof(_nist_p_384_sqr)/sizeof((_nist_p_384_sqr)[0])), |
918 | 0, BN_FLG_STATIC_DATA0x02 |
919 | }; |
920 | |
921 | field = &ossl_bignum_nist_p_384; /* just to make sure */ |
922 | |
923 | if (BN_is_negative(a) || BN_ucmp(a, &ossl_bignum_nist_p_384_sqr) >= 0) |
924 | return BN_nnmod(r, a, field, ctx); |
925 | |
926 | i = BN_ucmp(field, a); |
927 | if (i == 0) { |
928 | BN_zero(r)BN_zero_ex(r); |
929 | return 1; |
930 | } else if (i > 0) |
931 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void*)0)); |
932 | |
933 | if (r != a) { |
934 | if (!bn_wexpand(r, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8))) |
935 | return 0; |
936 | r_d = r->d; |
937 | nist_cp_bn(r_d, a_d, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
938 | } else |
939 | r_d = a_d; |
940 | |
941 | nist_cp_bn_0(buf.bn, a_d + BN_NIST_384_TOP, top - BN_NIST_384_TOP,{ int ii; const unsigned long *src = a_d + (384+(8 * 8)-1)/(8 * 8); for (ii = 0; ii < top - (384+(8 * 8)-1)/(8 * 8); ii ++) (buf.bn)[ii] = src[ii]; for (; ii < (384+(8 * 8)-1)/(8 * 8); ii++) (buf.bn)[ii] = 0; } |
942 | BN_NIST_384_TOP){ int ii; const unsigned long *src = a_d + (384+(8 * 8)-1)/(8 * 8); for (ii = 0; ii < top - (384+(8 * 8)-1)/(8 * 8); ii ++) (buf.bn)[ii] = src[ii]; for (; ii < (384+(8 * 8)-1)/(8 * 8); ii++) (buf.bn)[ii] = 0; }; |
943 | |
944 | #if defined(NIST_INT64long long) |
945 | { |
946 | NIST_INT64long long acc; /* accumulator */ |
947 | unsigned int *rp = (unsigned int *)r_d; |
948 | const unsigned int *bp = (const unsigned int *)buf.ui; |
949 | |
950 | acc = rp[0]; |
951 | acc += bp[12 - 12]; |
952 | acc += bp[21 - 12]; |
953 | acc += bp[20 - 12]; |
954 | acc -= bp[23 - 12]; |
955 | rp[0] = (unsigned int)acc; |
956 | acc >>= 32; |
957 | |
958 | acc += rp[1]; |
959 | acc += bp[13 - 12]; |
960 | acc += bp[22 - 12]; |
961 | acc += bp[23 - 12]; |
962 | acc -= bp[12 - 12]; |
963 | acc -= bp[20 - 12]; |
964 | rp[1] = (unsigned int)acc; |
965 | acc >>= 32; |
966 | |
967 | acc += rp[2]; |
968 | acc += bp[14 - 12]; |
969 | acc += bp[23 - 12]; |
970 | acc -= bp[13 - 12]; |
971 | acc -= bp[21 - 12]; |
972 | rp[2] = (unsigned int)acc; |
973 | acc >>= 32; |
974 | |
975 | acc += rp[3]; |
976 | acc += bp[15 - 12]; |
977 | acc += bp[12 - 12]; |
978 | acc += bp[20 - 12]; |
979 | acc += bp[21 - 12]; |
980 | acc -= bp[14 - 12]; |
981 | acc -= bp[22 - 12]; |
982 | acc -= bp[23 - 12]; |
983 | rp[3] = (unsigned int)acc; |
984 | acc >>= 32; |
985 | |
986 | acc += rp[4]; |
987 | acc += bp[21 - 12]; |
988 | acc += bp[21 - 12]; |
989 | acc += bp[16 - 12]; |
990 | acc += bp[13 - 12]; |
991 | acc += bp[12 - 12]; |
992 | acc += bp[20 - 12]; |
993 | acc += bp[22 - 12]; |
994 | acc -= bp[15 - 12]; |
995 | acc -= bp[23 - 12]; |
996 | acc -= bp[23 - 12]; |
997 | rp[4] = (unsigned int)acc; |
998 | acc >>= 32; |
999 | |
1000 | acc += rp[5]; |
1001 | acc += bp[22 - 12]; |
1002 | acc += bp[22 - 12]; |
1003 | acc += bp[17 - 12]; |
1004 | acc += bp[14 - 12]; |
1005 | acc += bp[13 - 12]; |
1006 | acc += bp[21 - 12]; |
1007 | acc += bp[23 - 12]; |
1008 | acc -= bp[16 - 12]; |
1009 | rp[5] = (unsigned int)acc; |
1010 | acc >>= 32; |
1011 | |
1012 | acc += rp[6]; |
1013 | acc += bp[23 - 12]; |
1014 | acc += bp[23 - 12]; |
1015 | acc += bp[18 - 12]; |
1016 | acc += bp[15 - 12]; |
1017 | acc += bp[14 - 12]; |
1018 | acc += bp[22 - 12]; |
1019 | acc -= bp[17 - 12]; |
1020 | rp[6] = (unsigned int)acc; |
1021 | acc >>= 32; |
1022 | |
1023 | acc += rp[7]; |
1024 | acc += bp[19 - 12]; |
1025 | acc += bp[16 - 12]; |
1026 | acc += bp[15 - 12]; |
1027 | acc += bp[23 - 12]; |
1028 | acc -= bp[18 - 12]; |
1029 | rp[7] = (unsigned int)acc; |
1030 | acc >>= 32; |
1031 | |
1032 | acc += rp[8]; |
1033 | acc += bp[20 - 12]; |
1034 | acc += bp[17 - 12]; |
1035 | acc += bp[16 - 12]; |
1036 | acc -= bp[19 - 12]; |
1037 | rp[8] = (unsigned int)acc; |
1038 | acc >>= 32; |
1039 | |
1040 | acc += rp[9]; |
1041 | acc += bp[21 - 12]; |
1042 | acc += bp[18 - 12]; |
1043 | acc += bp[17 - 12]; |
1044 | acc -= bp[20 - 12]; |
1045 | rp[9] = (unsigned int)acc; |
1046 | acc >>= 32; |
1047 | |
1048 | acc += rp[10]; |
1049 | acc += bp[22 - 12]; |
1050 | acc += bp[19 - 12]; |
1051 | acc += bp[18 - 12]; |
1052 | acc -= bp[21 - 12]; |
1053 | rp[10] = (unsigned int)acc; |
1054 | acc >>= 32; |
1055 | |
1056 | acc += rp[11]; |
1057 | acc += bp[23 - 12]; |
1058 | acc += bp[20 - 12]; |
1059 | acc += bp[19 - 12]; |
1060 | acc -= bp[22 - 12]; |
1061 | rp[11] = (unsigned int)acc; |
1062 | |
1063 | carry = (int)(acc >> 32); |
1064 | } |
1065 | #else |
1066 | { |
1067 | BN_ULONGunsigned long t_d[BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)]; |
1068 | |
1069 | /* |
1070 | * S1 |
1071 | */ |
1072 | nist_set_256(t_d, buf.bn, 0, 0, 0, 0, 0, 23 - 4, 22 - 4, 21 - 4){ (((21 - 4) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((21 - 4) - 8)&1)?(buf.bn[((21 - 4) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((21 - 4) - 8)/2]<<32)) :(t_d[(0)/2] =(((21 - 4) - 8)&1)?(buf.bn[((21 - 4) - 8)/2]>>32):(buf.bn[ ((21 - 4) - 8)/2]&(0xffffffffL)))):(((0)&1)?(t_d[(0)/ 2]&=(0xffffffffL)):(t_d[(0)/2]=0)); (((22 - 4) - 8)>=0 )?(((1)&1)?(t_d[(1)/2]|=(((22 - 4) - 8)&1)?(buf.bn[(( 22 - 4) - 8)/2]&(0xffffffff00000000L)):(buf.bn[((22 - 4) - 8)/2]<<32)) :(t_d[(1)/2] =(((22 - 4) - 8)&1)?(buf. bn[((22 - 4) - 8)/2]>>32):(buf.bn[((22 - 4) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((23 - 4) - 8)>=0)?(((2)&1)?(t_d[(2 )/2]|=(((23 - 4) - 8)&1)?(buf.bn[((23 - 4) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((23 - 4) - 8)/2]<<32)) :(t_d[(2)/2] =(((23 - 4) - 8)&1)?(buf.bn[((23 - 4) - 8)/2]>>32):(buf.bn[ ((23 - 4) - 8)/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/ 2]&=(0xffffffffL)):(t_d[(2)/2]=0)); (((0) - 8)>=0)?((( 3)&1)?(t_d[(3)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2] &(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32)) : (t_d[(3)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>>32 ):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((3)&1)?(t_d [(3)/2]&=(0xffffffffL)):(t_d[(3)/2]=0)); (((0) - 8)>=0 )?(((4)&1)?(t_d[(4)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(4)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((4)&1)?(t_d [(4)/2]&=(0xffffffffL)):(t_d[(4)/2]=0)); (((0) - 8)>=0 )?(((5)&1)?(t_d[(5)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(5)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((5)&1)?(t_d [(5)/2]&=(0xffffffffL)):(t_d[(5)/2]=0)); (((0) - 8)>=0 )?(((6)&1)?(t_d[(6)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(6)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((6)&1)?(t_d [(6)/2]&=(0xffffffffL)):(t_d[(6)/2]=0)); (((0) - 8)>=0 )?(((7)&1)?(t_d[(7)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(7)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((7)&1)?(t_d [(7)/2]&=(0xffffffffL)):(t_d[(7)/2]=0)); }; |
1073 | /* left shift */ |
1074 | { |
1075 | register BN_ULONGunsigned long *ap, t, c; |
1076 | ap = t_d; |
1077 | c = 0; |
1078 | for (i = 3; i != 0; --i) { |
1079 | t = *ap; |
1080 | *(ap++) = ((t << 1) | c) & BN_MASK2(0xffffffffffffffffL); |
1081 | c = (t & BN_TBIT((unsigned long)1 << ((8 * 8) - 1))) ? 1 : 0; |
1082 | } |
1083 | *ap = c; |
1084 | } |
1085 | carry = |
1086 | (int)bn_add_words(r_d + (128 / BN_BITS2(8 * 8)), r_d + (128 / BN_BITS2(8 * 8)), |
1087 | t_d, BN_NIST_256_TOP(256+(8 * 8)-1)/(8 * 8)); |
1088 | /* |
1089 | * S2 |
1090 | */ |
1091 | carry += (int)bn_add_words(r_d, r_d, buf.bn, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1092 | /* |
1093 | * S3 |
1094 | */ |
1095 | nist_set_384(t_d, buf.bn, 20, 19, 18, 17, 16, 15, 14, 13, 12, 23, 22,{ (((21) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((21) - 12)& 1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((21) - 12)/2]<<32)) :(t_d[(0)/2] =(((21) - 12)&1)? (buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((22) - 12)>=0)?(((1)&1)?(t_d[(1)/2 ]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(1)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((23) - 12)>=0)?(((2)&1)?(t_d[(2) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(2)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((12) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(3)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((13) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(4)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((14) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(5)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((15) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(6)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((16) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(7)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((17) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(8)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((18) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(9)/2] =(((18) - 12 )&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((19) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((19) - 12)/2]<<32)) :(t_d[(10)/2] =(((19) - 12)&1)?(buf.bn[((19) - 12)/2]>>32):(buf.bn[((19) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((20) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((20) - 12)/2]<<32)) :(t_d [(11)/2] =(((20) - 12)&1)?(buf.bn[((20) - 12)/2]>>32 ):(buf.bn[((20) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); } |
1096 | 21){ (((21) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((21) - 12)& 1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((21) - 12)/2]<<32)) :(t_d[(0)/2] =(((21) - 12)&1)? (buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((22) - 12)>=0)?(((1)&1)?(t_d[(1)/2 ]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(1)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((23) - 12)>=0)?(((2)&1)?(t_d[(2) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(2)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((12) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(3)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((13) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(4)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((14) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(5)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((15) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(6)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((16) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(7)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((17) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(8)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((18) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(9)/2] =(((18) - 12 )&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((19) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((19) - 12)/2]<<32)) :(t_d[(10)/2] =(((19) - 12)&1)?(buf.bn[((19) - 12)/2]>>32):(buf.bn[((19) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((20) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((20) - 12)/2]<<32)) :(t_d [(11)/2] =(((20) - 12)&1)?(buf.bn[((20) - 12)/2]>>32 ):(buf.bn[((20) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); }; |
1097 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1098 | /* |
1099 | * S4 |
1100 | */ |
1101 | nist_set_384(t_d, buf.bn, 19, 18, 17, 16, 15, 14, 13, 12, 20, 0, 23,{ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((23) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((23) - 12)/2]<<32)) :(t_d[(1)/2] =(((23) - 12)& 1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((20) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(3)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((12) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(4)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((13) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(5)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((14) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(6)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((15) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(7)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((16) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(8)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((17) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(9)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((18) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(10)/2] =(((18) - 12)&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((19) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((19) - 12)/2]<<32)) :(t_d [(11)/2] =(((19) - 12)&1)?(buf.bn[((19) - 12)/2]>>32 ):(buf.bn[((19) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); } |
1102 | 0){ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((23) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((23) - 12)/2]<<32)) :(t_d[(1)/2] =(((23) - 12)& 1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((20) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(3)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((12) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(4)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((13) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(5)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((14) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(6)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((15) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(7)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((16) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(8)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((17) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(9)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((18) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(10)/2] =(((18) - 12)&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((19) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((19) - 12)/2]<<32)) :(t_d [(11)/2] =(((19) - 12)&1)?(buf.bn[((19) - 12)/2]>>32 ):(buf.bn[((19) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); }; |
1103 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1104 | /* |
1105 | * S5 |
1106 | */ |
1107 | nist_set_384(t_d, buf.bn, 0, 0, 0, 0, 23, 22, 21, 20, 0, 0, 0, 0){ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((0) - 12)/2]<<32)) :(t_d[(1)/2] =(((0) - 12)&1 )?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((0) - 12)>=0)?(((3)&1)?(t_d[(3)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(3)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((20) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(4)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((21) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(5)/2] =(((21) - 12 )&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((22) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(6)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((23) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(7)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((0) - 12)>=0)?(((8)&1)?(t_d[(8)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(8)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((0) - 12)>=0)?(((9)&1)?(t_d[(9)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(9)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((0) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(10)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&=(0xffffffffL )):(t_d[(10)/2]=0)); (((0) - 12)>=0)?(((11)&1)?(t_d[(11 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(11)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((11)&1)?(t_d[(11)/2]&=(0xffffffffL )):(t_d[(11)/2]=0)); }; |
1108 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1109 | /* |
1110 | * S6 |
1111 | */ |
1112 | nist_set_384(t_d, buf.bn, 0, 0, 0, 0, 0, 0, 23, 22, 21, 0, 0, 20){ (((20) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((20) - 12)& 1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((20) - 12)/2]<<32)) :(t_d[(0)/2] =(((20) - 12)&1)? (buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((0) - 12)>=0)?(((1)&1)?(t_d[(1)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(1)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((21) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(3)/2] =(((21) - 12 )&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((22) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(4)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((23) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(5)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 12)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(6)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((0) - 12)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(7)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((0) - 12)>=0)?(((8)&1)?(t_d[(8)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(8)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((0) - 12)>=0)?(((9)&1)?(t_d[(9)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(9)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((0) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(10)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&=(0xffffffffL )):(t_d[(10)/2]=0)); (((0) - 12)>=0)?(((11)&1)?(t_d[(11 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(11)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((11)&1)?(t_d[(11)/2]&=(0xffffffffL )):(t_d[(11)/2]=0)); }; |
1113 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1114 | /* |
1115 | * D1 |
1116 | */ |
1117 | nist_set_384(t_d, buf.bn, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12,{ (((23) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((23) - 12)& 1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((23) - 12)/2]<<32)) :(t_d[(0)/2] =(((23) - 12)&1)? (buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((12) - 12)>=0)?(((1)&1)?(t_d[(1)/2 ]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(1)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((13) - 12)>=0)?(((2)&1)?(t_d[(2) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(2)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((14) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(3)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((15) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(4)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((16) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(5)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((17) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(6)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((18) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(7)/2] =(((18) - 12 )&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((19) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((19) - 12)/2]<<32)) :(t_d[(8)/2] =(((19) - 12 )&1)?(buf.bn[((19) - 12)/2]>>32):(buf.bn[((19) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((20) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(9)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((21) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(10)/2] =(((21) - 12)&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((22) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((22) - 12)/2]<<32)) :(t_d [(11)/2] =(((22) - 12)&1)?(buf.bn[((22) - 12)/2]>>32 ):(buf.bn[((22) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); } |
1118 | 23){ (((23) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((23) - 12)& 1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((23) - 12)/2]<<32)) :(t_d[(0)/2] =(((23) - 12)&1)? (buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((12) - 12)>=0)?(((1)&1)?(t_d[(1)/2 ]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(1)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((13) - 12)>=0)?(((2)&1)?(t_d[(2) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(2)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((14) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(3)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((15) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(4)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((16) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(5)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((17) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(6)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((18) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(7)/2] =(((18) - 12 )&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((19) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((19) - 12)/2]<<32)) :(t_d[(8)/2] =(((19) - 12 )&1)?(buf.bn[((19) - 12)/2]>>32):(buf.bn[((19) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((20) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(9)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((21) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(10)/2] =(((21) - 12)&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((22) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((22) - 12)/2]<<32)) :(t_d [(11)/2] =(((22) - 12)&1)?(buf.bn[((22) - 12)/2]>>32 ):(buf.bn[((22) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); }; |
1119 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1120 | /* |
1121 | * D2 |
1122 | */ |
1123 | nist_set_384(t_d, buf.bn, 0, 0, 0, 0, 0, 0, 0, 23, 22, 21, 20, 0){ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((20) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((20) - 12)/2]<<32)) :(t_d[(1)/2] =(((20) - 12)& 1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((21) - 12)>=0)?(((2)&1)?(t_d[(2)/2 ]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(2)/2] =(((21) - 12 )&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((22) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(3)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((23) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(4)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((0) - 12)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(5)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 12)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(6)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((0) - 12)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(7)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((0) - 12)>=0)?(((8)&1)?(t_d[(8)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(8)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((0) - 12)>=0)?(((9)&1)?(t_d[(9)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(9)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((0) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(10)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&=(0xffffffffL )):(t_d[(10)/2]=0)); (((0) - 12)>=0)?(((11)&1)?(t_d[(11 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(11)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((11)&1)?(t_d[(11)/2]&=(0xffffffffL )):(t_d[(11)/2]=0)); }; |
1124 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1125 | /* |
1126 | * D3 |
1127 | */ |
1128 | nist_set_384(t_d, buf.bn, 0, 0, 0, 0, 0, 0, 0, 23, 23, 0, 0, 0){ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((0) - 12)/2]<<32)) :(t_d[(1)/2] =(((0) - 12)&1 )?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((23) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(3)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((23) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(4)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((0) - 12)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(5)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 12)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(6)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((0) - 12)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(7)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((0) - 12)>=0)?(((8)&1)?(t_d[(8)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(8)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((0) - 12)>=0)?(((9)&1)?(t_d[(9)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(9)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((0) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(10)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&=(0xffffffffL )):(t_d[(10)/2]=0)); (((0) - 12)>=0)?(((11)&1)?(t_d[(11 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(11)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((11)&1)?(t_d[(11)/2]&=(0xffffffffL )):(t_d[(11)/2]=0)); }; |
1129 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1130 | |
1131 | } |
1132 | #endif |
1133 | /* see BN_nist_mod_224 for explanation */ |
1134 | u.f = bn_sub_words; |
1135 | if (carry > 0) |
1136 | carry = |
1137 | (int)bn_sub_words(r_d, r_d, _nist_p_384[carry - 1], |
1138 | BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1139 | else if (carry < 0) { |
1140 | carry = |
1141 | (int)bn_add_words(r_d, r_d, _nist_p_384[-carry - 1], |
1142 | BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1143 | mask = 0 - (PTR_SIZE_INTsize_t) carry; |
1144 | u.p = ((PTR_SIZE_INTsize_t) bn_sub_words & mask) | |
1145 | ((PTR_SIZE_INTsize_t) bn_add_words & ~mask); |
1146 | } else |
1147 | carry = 1; |
1148 | |
1149 | mask = |
1150 | 0 - (PTR_SIZE_INTsize_t) (*u.f) (c_d, r_d, _nist_p_384[0], BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1151 | mask &= 0 - (PTR_SIZE_INTsize_t) carry; |
1152 | res = c_d; |
1153 | res = (BN_ULONGunsigned long *)(((PTR_SIZE_INTsize_t) res & ~mask) | |
1154 | ((PTR_SIZE_INTsize_t) r_d & mask)); |
1155 | nist_cp_bn(r_d, res, BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8)); |
1156 | r->top = BN_NIST_384_TOP(384+(8 * 8)-1)/(8 * 8); |
1157 | bn_correct_top(r); |
1158 | |
1159 | return 1; |
1160 | } |
1161 | |
1162 | #define BN_NIST_521_RSHIFT(521%(8 * 8)) (521%BN_BITS2(8 * 8)) |
1163 | #define BN_NIST_521_LSHIFT((8 * 8)-(521%(8 * 8))) (BN_BITS2(8 * 8)-BN_NIST_521_RSHIFT(521%(8 * 8))) |
1164 | #define BN_NIST_521_TOP_MASK((unsigned long)(0xffffffffffffffffL)>>((8 * 8)-(521%(8 * 8)))) ((BN_ULONGunsigned long)BN_MASK2(0xffffffffffffffffL)>>BN_NIST_521_LSHIFT((8 * 8)-(521%(8 * 8)))) |
1165 | |
1166 | int BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, |
1167 | BN_CTX *ctx) |
1168 | { |
1169 | int top = a->top, i; |
1170 | BN_ULONGunsigned long *r_d, *a_d = a->d, t_d[BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8)], val, tmp, *res; |
1171 | PTR_SIZE_INTsize_t mask; |
1172 | static const BIGNUM ossl_bignum_nist_p_521_sqr = { |
1173 | (BN_ULONGunsigned long *)_nist_p_521_sqr, |
1174 | OSSL_NELEM(_nist_p_521_sqr)(sizeof(_nist_p_521_sqr)/sizeof((_nist_p_521_sqr)[0])), |
1175 | OSSL_NELEM(_nist_p_521_sqr)(sizeof(_nist_p_521_sqr)/sizeof((_nist_p_521_sqr)[0])), |
1176 | 0, BN_FLG_STATIC_DATA0x02 |
1177 | }; |
1178 | |
1179 | field = &ossl_bignum_nist_p_521; /* just to make sure */ |
1180 | |
1181 | if (BN_is_negative(a) || BN_ucmp(a, &ossl_bignum_nist_p_521_sqr) >= 0) |
1182 | return BN_nnmod(r, a, field, ctx); |
1183 | |
1184 | i = BN_ucmp(field, a); |
1185 | if (i == 0) { |
1186 | BN_zero(r)BN_zero_ex(r); |
1187 | return 1; |
1188 | } else if (i > 0) |
1189 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void*)0)); |
1190 | |
1191 | if (r != a) { |
1192 | if (!bn_wexpand(r, BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8))) |
1193 | return 0; |
1194 | r_d = r->d; |
1195 | nist_cp_bn(r_d, a_d, BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8)); |
1196 | } else |
1197 | r_d = a_d; |
1198 | |
1199 | /* upper 521 bits, copy ... */ |
1200 | nist_cp_bn_0(t_d, a_d + (BN_NIST_521_TOP - 1),{ int ii; const unsigned long *src = a_d + ((521+(8 * 8)-1)/( 8 * 8) - 1); for (ii = 0; ii < top - ((521+(8 * 8)-1)/(8 * 8) - 1); ii++) (t_d)[ii] = src[ii]; for (; ii < (521+(8 * 8)-1)/(8 * 8); ii++) (t_d)[ii] = 0; } |
1201 | top - (BN_NIST_521_TOP - 1), BN_NIST_521_TOP){ int ii; const unsigned long *src = a_d + ((521+(8 * 8)-1)/( 8 * 8) - 1); for (ii = 0; ii < top - ((521+(8 * 8)-1)/(8 * 8) - 1); ii++) (t_d)[ii] = src[ii]; for (; ii < (521+(8 * 8)-1)/(8 * 8); ii++) (t_d)[ii] = 0; }; |
1202 | /* ... and right shift */ |
1203 | for (val = t_d[0], i = 0; i < BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8) - 1; i++) { |
1204 | #if 0 |
1205 | /* |
1206 | * MSC ARM compiler [version 2013, presumably even earlier, |
1207 | * much earlier] miscompiles this code, but not one in |
1208 | * #else section. See RT#3541. |
1209 | */ |
1210 | tmp = val >> BN_NIST_521_RSHIFT(521%(8 * 8)); |
1211 | val = t_d[i + 1]; |
1212 | t_d[i] = (tmp | val << BN_NIST_521_LSHIFT((8 * 8)-(521%(8 * 8)))) & BN_MASK2(0xffffffffffffffffL); |
1213 | #else |
1214 | t_d[i] = (val >> BN_NIST_521_RSHIFT(521%(8 * 8)) | |
1215 | (tmp = t_d[i + 1]) << BN_NIST_521_LSHIFT((8 * 8)-(521%(8 * 8)))) & BN_MASK2(0xffffffffffffffffL); |
1216 | val = tmp; |
1217 | #endif |
1218 | } |
1219 | t_d[i] = val >> BN_NIST_521_RSHIFT(521%(8 * 8)); |
1220 | /* lower 521 bits */ |
1221 | r_d[i] &= BN_NIST_521_TOP_MASK((unsigned long)(0xffffffffffffffffL)>>((8 * 8)-(521%(8 * 8)))); |
1222 | |
1223 | bn_add_words(r_d, r_d, t_d, BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8)); |
1224 | mask = |
1225 | 0 - (PTR_SIZE_INTsize_t) bn_sub_words(t_d, r_d, _nist_p_521, |
1226 | BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8)); |
1227 | res = t_d; |
1228 | res = (BN_ULONGunsigned long *)(((PTR_SIZE_INTsize_t) res & ~mask) | |
1229 | ((PTR_SIZE_INTsize_t) r_d & mask)); |
1230 | nist_cp_bn(r_d, res, BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8)); |
1231 | r->top = BN_NIST_521_TOP(521+(8 * 8)-1)/(8 * 8); |
1232 | bn_correct_top(r); |
1233 | |
1234 | return 1; |
1235 | } |
1236 | |
1237 | int (*BN_nist_mod_func(const BIGNUM *p)) (BIGNUM *r, const BIGNUM *a, |
1238 | const BIGNUM *field, BN_CTX *ctx) { |
1239 | if (BN_ucmp(&ossl_bignum_nist_p_192, p) == 0) |
1240 | return BN_nist_mod_192; |
1241 | if (BN_ucmp(&ossl_bignum_nist_p_224, p) == 0) |
1242 | return BN_nist_mod_224; |
1243 | if (BN_ucmp(&ossl_bignum_nist_p_256, p) == 0) |
1244 | return BN_nist_mod_256; |
1245 | if (BN_ucmp(&ossl_bignum_nist_p_384, p) == 0) |
1246 | return BN_nist_mod_384; |
1247 | if (BN_ucmp(&ossl_bignum_nist_p_521, p) == 0) |
1248 | return BN_nist_mod_521; |
1249 | return 0; |
1250 | } |