File: | out/../deps/openssl/openssl/crypto/cast/c_enc.c |
Warning: | line 155, column 5 Value stored to 'tin0' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | /* |
2 | * Copyright 1995-2020 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 | /* |
11 | * CAST low level APIs are deprecated for public use, but still ok for |
12 | * internal use. |
13 | */ |
14 | #include "internal/deprecated.h" |
15 | |
16 | #include <openssl/cast.h> |
17 | #include "cast_local.h" |
18 | |
19 | void CAST_encrypt(CAST_LONGunsigned int *data, const CAST_KEY *key) |
20 | { |
21 | CAST_LONGunsigned int l, r, t; |
22 | const CAST_LONGunsigned int *k; |
23 | |
24 | k = &(key->data[0]); |
25 | l = data[0]; |
26 | r = data[1]; |
27 | |
28 | E_CAST(0, k, l, r, +, ^, -){ unsigned int a,b,c,d; t=(k[0*2] + r)&0xffffffff; t=(((( t)<<((k[0*2+1])))&0xffffffffL)|((t)>>((32-((k [0*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
29 | E_CAST(1, k, r, l, ^, -, +){ unsigned int a,b,c,d; t=(k[1*2] ^ l)&0xffffffff; t=(((( t)<<((k[1*2+1])))&0xffffffffL)|((t)>>((32-((k [1*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
30 | E_CAST(2, k, l, r, -, +, ^){ unsigned int a,b,c,d; t=(k[2*2] - r)&0xffffffff; t=(((( t)<<((k[2*2+1])))&0xffffffffL)|((t)>>((32-((k [2*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
31 | E_CAST(3, k, r, l, +, ^, -){ unsigned int a,b,c,d; t=(k[3*2] + l)&0xffffffff; t=(((( t)<<((k[3*2+1])))&0xffffffffL)|((t)>>((32-((k [3*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
32 | E_CAST(4, k, l, r, ^, -, +){ unsigned int a,b,c,d; t=(k[4*2] ^ r)&0xffffffff; t=(((( t)<<((k[4*2+1])))&0xffffffffL)|((t)>>((32-((k [4*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
33 | E_CAST(5, k, r, l, -, +, ^){ unsigned int a,b,c,d; t=(k[5*2] - l)&0xffffffff; t=(((( t)<<((k[5*2+1])))&0xffffffffL)|((t)>>((32-((k [5*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
34 | E_CAST(6, k, l, r, +, ^, -){ unsigned int a,b,c,d; t=(k[6*2] + r)&0xffffffff; t=(((( t)<<((k[6*2+1])))&0xffffffffL)|((t)>>((32-((k [6*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
35 | E_CAST(7, k, r, l, ^, -, +){ unsigned int a,b,c,d; t=(k[7*2] ^ l)&0xffffffff; t=(((( t)<<((k[7*2+1])))&0xffffffffL)|((t)>>((32-((k [7*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
36 | E_CAST(8, k, l, r, -, +, ^){ unsigned int a,b,c,d; t=(k[8*2] - r)&0xffffffff; t=(((( t)<<((k[8*2+1])))&0xffffffffL)|((t)>>((32-((k [8*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
37 | E_CAST(9, k, r, l, +, ^, -){ unsigned int a,b,c,d; t=(k[9*2] + l)&0xffffffff; t=(((( t)<<((k[9*2+1])))&0xffffffffL)|((t)>>((32-((k [9*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
38 | E_CAST(10, k, l, r, ^, -, +){ unsigned int a,b,c,d; t=(k[10*2] ^ r)&0xffffffff; t=((( (t)<<((k[10*2+1])))&0xffffffffL)|((t)>>((32-( (k[10*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(( (((a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
39 | E_CAST(11, k, r, l, -, +, ^){ unsigned int a,b,c,d; t=(k[11*2] - l)&0xffffffff; t=((( (t)<<((k[11*2+1])))&0xffffffffL)|((t)>>((32-( (k[11*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(( (((a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
40 | if (!key->short_key) { |
41 | E_CAST(12, k, l, r, +, ^, -){ unsigned int a,b,c,d; t=(k[12*2] + r)&0xffffffff; t=((( (t)<<((k[12*2+1])))&0xffffffffL)|((t)>>((32-( (k[12*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(( (((a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
42 | E_CAST(13, k, r, l, ^, -, +){ unsigned int a,b,c,d; t=(k[13*2] ^ l)&0xffffffff; t=((( (t)<<((k[13*2+1])))&0xffffffffL)|((t)>>((32-( (k[13*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(( (((a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
43 | E_CAST(14, k, l, r, -, +, ^){ unsigned int a,b,c,d; t=(k[14*2] - r)&0xffffffff; t=((( (t)<<((k[14*2+1])))&0xffffffffL)|((t)>>((32-( (k[14*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(( (((a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
44 | E_CAST(15, k, r, l, +, ^, -){ unsigned int a,b,c,d; t=(k[15*2] + l)&0xffffffff; t=((( (t)<<((k[15*2+1])))&0xffffffffL)|((t)>>((32-( (k[15*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(( (((a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
45 | } |
46 | |
47 | data[1] = l & 0xffffffffL; |
48 | data[0] = r & 0xffffffffL; |
49 | } |
50 | |
51 | void CAST_decrypt(CAST_LONGunsigned int *data, const CAST_KEY *key) |
52 | { |
53 | CAST_LONGunsigned int l, r, t; |
54 | const CAST_LONGunsigned int *k; |
55 | |
56 | k = &(key->data[0]); |
57 | l = data[0]; |
58 | r = data[1]; |
59 | |
60 | if (!key->short_key) { |
61 | E_CAST(15, k, l, r, +, ^, -){ unsigned int a,b,c,d; t=(k[15*2] + r)&0xffffffff; t=((( (t)<<((k[15*2+1])))&0xffffffffL)|((t)>>((32-( (k[15*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(( (((a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
62 | E_CAST(14, k, r, l, -, +, ^){ unsigned int a,b,c,d; t=(k[14*2] - l)&0xffffffff; t=((( (t)<<((k[14*2+1])))&0xffffffffL)|((t)>>((32-( (k[14*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(( (((a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
63 | E_CAST(13, k, l, r, ^, -, +){ unsigned int a,b,c,d; t=(k[13*2] ^ r)&0xffffffff; t=((( (t)<<((k[13*2+1])))&0xffffffffL)|((t)>>((32-( (k[13*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(( (((a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
64 | E_CAST(12, k, r, l, +, ^, -){ unsigned int a,b,c,d; t=(k[12*2] + l)&0xffffffff; t=((( (t)<<((k[12*2+1])))&0xffffffffL)|((t)>>((32-( (k[12*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(( (((a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
65 | } |
66 | E_CAST(11, k, l, r, -, +, ^){ unsigned int a,b,c,d; t=(k[11*2] - r)&0xffffffff; t=((( (t)<<((k[11*2+1])))&0xffffffffL)|((t)>>((32-( (k[11*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(( (((a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
67 | E_CAST(10, k, r, l, ^, -, +){ unsigned int a,b,c,d; t=(k[10*2] ^ l)&0xffffffff; t=((( (t)<<((k[10*2+1])))&0xffffffffL)|((t)>>((32-( (k[10*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff ]; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>> 24)&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(( (((a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
68 | E_CAST(9, k, l, r, +, ^, -){ unsigned int a,b,c,d; t=(k[9*2] + r)&0xffffffff; t=(((( t)<<((k[9*2+1])))&0xffffffffL)|((t)>>((32-((k [9*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
69 | E_CAST(8, k, r, l, -, +, ^){ unsigned int a,b,c,d; t=(k[8*2] - l)&0xffffffff; t=(((( t)<<((k[8*2+1])))&0xffffffffL)|((t)>>((32-((k [8*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
70 | E_CAST(7, k, l, r, ^, -, +){ unsigned int a,b,c,d; t=(k[7*2] ^ r)&0xffffffff; t=(((( t)<<((k[7*2+1])))&0xffffffffL)|((t)>>((32-((k [7*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
71 | E_CAST(6, k, r, l, +, ^, -){ unsigned int a,b,c,d; t=(k[6*2] + l)&0xffffffff; t=(((( t)<<((k[6*2+1])))&0xffffffffL)|((t)>>((32-((k [6*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
72 | E_CAST(5, k, l, r, -, +, ^){ unsigned int a,b,c,d; t=(k[5*2] - r)&0xffffffff; t=(((( t)<<((k[5*2+1])))&0xffffffffL)|((t)>>((32-((k [5*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
73 | E_CAST(4, k, r, l, ^, -, +){ unsigned int a,b,c,d; t=(k[4*2] ^ l)&0xffffffff; t=(((( t)<<((k[4*2+1])))&0xffffffffL)|((t)>>((32-((k [4*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
74 | E_CAST(3, k, l, r, +, ^, -){ unsigned int a,b,c,d; t=(k[3*2] + r)&0xffffffff; t=(((( t)<<((k[3*2+1])))&0xffffffffL)|((t)>>((32-((k [3*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
75 | E_CAST(2, k, r, l, -, +, ^){ unsigned int a,b,c,d; t=(k[2*2] - l)&0xffffffff; t=(((( t)<<((k[2*2+1])))&0xffffffffL)|((t)>>((32-((k [2*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a + b)&0xffffffffL) ^ c)&0xffffffffL) - d)&0xffffffffL ; }; |
76 | E_CAST(1, k, l, r, ^, -, +){ unsigned int a,b,c,d; t=(k[1*2] ^ r)&0xffffffff; t=(((( t)<<((k[1*2+1])))&0xffffffffL)|((t)>>((32-((k [1*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; l^=(((( (a - b)&0xffffffffL) + c)&0xffffffffL) ^ d)&0xffffffffL ; }; |
77 | E_CAST(0, k, r, l, +, ^, -){ unsigned int a,b,c,d; t=(k[0*2] + l)&0xffffffff; t=(((( t)<<((k[0*2+1])))&0xffffffffL)|((t)>>((32-((k [0*2+1])))&31))); a=CAST_S_table0[(t>> 8)&0xff] ; b=CAST_S_table1[(t )&0xff]; c=CAST_S_table2[(t>>24 )&0xff]; d=CAST_S_table3[(t>>16)&0xff]; r^=(((( (a ^ b)&0xffffffffL) - c)&0xffffffffL) + d)&0xffffffffL ; }; |
78 | |
79 | data[1] = l & 0xffffffffL; |
80 | data[0] = r & 0xffffffffL; |
81 | } |
82 | |
83 | void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out, |
84 | long length, const CAST_KEY *ks, unsigned char *iv, |
85 | int enc) |
86 | { |
87 | register CAST_LONGunsigned int tin0, tin1; |
88 | register CAST_LONGunsigned int tout0, tout1, xor0, xor1; |
89 | register long l = length; |
90 | CAST_LONGunsigned int tin[2]; |
91 | |
92 | if (enc) { |
93 | n2l(iv, tout0)(tout0 =((unsigned long)(*((iv)++)))<<24L, tout0|=((unsigned long)(*((iv)++)))<<16L, tout0|=((unsigned long)(*((iv) ++)))<< 8L, tout0|=((unsigned long)(*((iv)++)))); |
94 | n2l(iv, tout1)(tout1 =((unsigned long)(*((iv)++)))<<24L, tout1|=((unsigned long)(*((iv)++)))<<16L, tout1|=((unsigned long)(*((iv) ++)))<< 8L, tout1|=((unsigned long)(*((iv)++)))); |
95 | iv -= 8; |
96 | for (l -= 8; l >= 0; l -= 8) { |
97 | n2l(in, tin0)(tin0 =((unsigned long)(*((in)++)))<<24L, tin0|=((unsigned long)(*((in)++)))<<16L, tin0|=((unsigned long)(*((in)++ )))<< 8L, tin0|=((unsigned long)(*((in)++)))); |
98 | n2l(in, tin1)(tin1 =((unsigned long)(*((in)++)))<<24L, tin1|=((unsigned long)(*((in)++)))<<16L, tin1|=((unsigned long)(*((in)++ )))<< 8L, tin1|=((unsigned long)(*((in)++)))); |
99 | tin0 ^= tout0; |
100 | tin1 ^= tout1; |
101 | tin[0] = tin0; |
102 | tin[1] = tin1; |
103 | CAST_encrypt(tin, ks); |
104 | tout0 = tin[0]; |
105 | tout1 = tin[1]; |
106 | l2n(tout0, out)(*((out)++)=(unsigned char)(((tout0)>>24L)&0xff), * ((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *(( out)++)=(unsigned char)(((tout0)>> 8L)&0xff), *((out )++)=(unsigned char)(((tout0) )&0xff)); |
107 | l2n(tout1, out)(*((out)++)=(unsigned char)(((tout1)>>24L)&0xff), * ((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *(( out)++)=(unsigned char)(((tout1)>> 8L)&0xff), *((out )++)=(unsigned char)(((tout1) )&0xff)); |
108 | } |
109 | if (l != -8) { |
110 | n2ln(in, tin0, tin1, l + 8){ in+=l + 8; tin0=tin1=0; switch (l + 8) { case 8: tin1 =((unsigned long)(*(--(in)))) ; case 7: tin1|=((unsigned long)(*(--(in)) ))<< 8; case 6: tin1|=((unsigned long)(*(--(in))))<< 16; case 5: tin1|=((unsigned long)(*(--(in))))<<24; case 4: tin0 =((unsigned long)(*(--(in)))) ; case 3: tin0|=((unsigned long)(*(--(in))))<< 8; case 2: tin0|=((unsigned long)( *(--(in))))<<16; case 1: tin0|=((unsigned long)(*(--(in ))))<<24; } }; |
111 | tin0 ^= tout0; |
112 | tin1 ^= tout1; |
113 | tin[0] = tin0; |
114 | tin[1] = tin1; |
115 | CAST_encrypt(tin, ks); |
116 | tout0 = tin[0]; |
117 | tout1 = tin[1]; |
118 | l2n(tout0, out)(*((out)++)=(unsigned char)(((tout0)>>24L)&0xff), * ((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *(( out)++)=(unsigned char)(((tout0)>> 8L)&0xff), *((out )++)=(unsigned char)(((tout0) )&0xff)); |
119 | l2n(tout1, out)(*((out)++)=(unsigned char)(((tout1)>>24L)&0xff), * ((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *(( out)++)=(unsigned char)(((tout1)>> 8L)&0xff), *((out )++)=(unsigned char)(((tout1) )&0xff)); |
120 | } |
121 | l2n(tout0, iv)(*((iv)++)=(unsigned char)(((tout0)>>24L)&0xff), *( (iv)++)=(unsigned char)(((tout0)>>16L)&0xff), *((iv )++)=(unsigned char)(((tout0)>> 8L)&0xff), *((iv)++ )=(unsigned char)(((tout0) )&0xff)); |
122 | l2n(tout1, iv)(*((iv)++)=(unsigned char)(((tout1)>>24L)&0xff), *( (iv)++)=(unsigned char)(((tout1)>>16L)&0xff), *((iv )++)=(unsigned char)(((tout1)>> 8L)&0xff), *((iv)++ )=(unsigned char)(((tout1) )&0xff)); |
123 | } else { |
124 | n2l(iv, xor0)(xor0 =((unsigned long)(*((iv)++)))<<24L, xor0|=((unsigned long)(*((iv)++)))<<16L, xor0|=((unsigned long)(*((iv)++ )))<< 8L, xor0|=((unsigned long)(*((iv)++)))); |
125 | n2l(iv, xor1)(xor1 =((unsigned long)(*((iv)++)))<<24L, xor1|=((unsigned long)(*((iv)++)))<<16L, xor1|=((unsigned long)(*((iv)++ )))<< 8L, xor1|=((unsigned long)(*((iv)++)))); |
126 | iv -= 8; |
127 | for (l -= 8; l >= 0; l -= 8) { |
128 | n2l(in, tin0)(tin0 =((unsigned long)(*((in)++)))<<24L, tin0|=((unsigned long)(*((in)++)))<<16L, tin0|=((unsigned long)(*((in)++ )))<< 8L, tin0|=((unsigned long)(*((in)++)))); |
129 | n2l(in, tin1)(tin1 =((unsigned long)(*((in)++)))<<24L, tin1|=((unsigned long)(*((in)++)))<<16L, tin1|=((unsigned long)(*((in)++ )))<< 8L, tin1|=((unsigned long)(*((in)++)))); |
130 | tin[0] = tin0; |
131 | tin[1] = tin1; |
132 | CAST_decrypt(tin, ks); |
133 | tout0 = tin[0] ^ xor0; |
134 | tout1 = tin[1] ^ xor1; |
135 | l2n(tout0, out)(*((out)++)=(unsigned char)(((tout0)>>24L)&0xff), * ((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *(( out)++)=(unsigned char)(((tout0)>> 8L)&0xff), *((out )++)=(unsigned char)(((tout0) )&0xff)); |
136 | l2n(tout1, out)(*((out)++)=(unsigned char)(((tout1)>>24L)&0xff), * ((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *(( out)++)=(unsigned char)(((tout1)>> 8L)&0xff), *((out )++)=(unsigned char)(((tout1) )&0xff)); |
137 | xor0 = tin0; |
138 | xor1 = tin1; |
139 | } |
140 | if (l != -8) { |
141 | n2l(in, tin0)(tin0 =((unsigned long)(*((in)++)))<<24L, tin0|=((unsigned long)(*((in)++)))<<16L, tin0|=((unsigned long)(*((in)++ )))<< 8L, tin0|=((unsigned long)(*((in)++)))); |
142 | n2l(in, tin1)(tin1 =((unsigned long)(*((in)++)))<<24L, tin1|=((unsigned long)(*((in)++)))<<16L, tin1|=((unsigned long)(*((in)++ )))<< 8L, tin1|=((unsigned long)(*((in)++)))); |
143 | tin[0] = tin0; |
144 | tin[1] = tin1; |
145 | CAST_decrypt(tin, ks); |
146 | tout0 = tin[0] ^ xor0; |
147 | tout1 = tin[1] ^ xor1; |
148 | l2nn(tout0, tout1, out, l + 8){ out+=l + 8; switch (l + 8) { case 8: *(--(out))=(unsigned char )(((tout1) )&0xff); case 7: *(--(out))=(unsigned char)((( tout1)>> 8)&0xff); case 6: *(--(out))=(unsigned char )(((tout1)>>16)&0xff); case 5: *(--(out))=(unsigned char)(((tout1)>>24)&0xff); case 4: *(--(out))=(unsigned char)(((tout0) )&0xff); case 3: *(--(out))=(unsigned char )(((tout0)>> 8)&0xff); case 2: *(--(out))=(unsigned char)(((tout0)>>16)&0xff); case 1: *(--(out))=(unsigned char)(((tout0)>>24)&0xff); } }; |
149 | xor0 = tin0; |
150 | xor1 = tin1; |
151 | } |
152 | l2n(xor0, iv)(*((iv)++)=(unsigned char)(((xor0)>>24L)&0xff), *(( iv)++)=(unsigned char)(((xor0)>>16L)&0xff), *((iv)++ )=(unsigned char)(((xor0)>> 8L)&0xff), *((iv)++)=(unsigned char)(((xor0) )&0xff)); |
153 | l2n(xor1, iv)(*((iv)++)=(unsigned char)(((xor1)>>24L)&0xff), *(( iv)++)=(unsigned char)(((xor1)>>16L)&0xff), *((iv)++ )=(unsigned char)(((xor1)>> 8L)&0xff), *((iv)++)=(unsigned char)(((xor1) )&0xff)); |
154 | } |
155 | tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; |
Value stored to 'tin0' is never read | |
156 | tin[0] = tin[1] = 0; |
157 | } |