| File: | out/../deps/openssl/openssl/crypto/des/des_enc.c |
| Warning: | line 152, column 13 Although the value stored to 't' is used in the enclosing expression, the value is never actually read from 't' |
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| 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 | * DES low level APIs are deprecated for public use, but still ok for internal |
| 12 | * use. |
| 13 | */ |
| 14 | #include "internal/deprecated.h" |
| 15 | |
| 16 | #include <openssl/crypto.h> |
| 17 | #include "des_local.h" |
| 18 | #include "spr.h" |
| 19 | |
| 20 | void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc) |
| 21 | { |
| 22 | register DES_LONG l, r, t, u; |
| 23 | register DES_LONG *s; |
| 24 | |
| 25 | r = data[0]; |
| 26 | l = data[1]; |
| 27 | |
| 28 | IP(r, l){ register DES_LONG tt; ((tt)=((((l)>>(4))^(r))&(0x0f0f0f0fL )), (r)^=(tt), (l)^=((tt)<<(4))); ((tt)=((((r)>>( 16))^(l))&(0x0000ffffL)), (l)^=(tt), (r)^=((tt)<<(16 ))); ((tt)=((((l)>>(2))^(r))&(0x33333333L)), (r)^=( tt), (l)^=((tt)<<(2))); ((tt)=((((r)>>(8))^(l))& (0x00ff00ffL)), (l)^=(tt), (r)^=((tt)<<(8))); ((tt)=((( (l)>>(1))^(r))&(0x55555555L)), (r)^=(tt), (l)^=((tt )<<(1))); }; |
| 29 | /* |
| 30 | * Things have been modified so that the initial rotate is done outside |
| 31 | * the loop. This required the DES_SPtrans values in sp.h to be rotated |
| 32 | * 1 bit to the right. One perl script later and things have a 5% speed |
| 33 | * up on a sparc2. Thanks to Richard Outerbridge for pointing this out. |
| 34 | */ |
| 35 | /* clear the top bits on machines with 8byte longs */ |
| 36 | /* shift left by 2 */ |
| 37 | r = ROTATE(r, 29)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(29),"0"(r) : "cc"); ret; }) & 0xffffffffL; |
| 38 | l = ROTATE(l, 29)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(29),"0"(l) : "cc"); ret; }) & 0xffffffffL; |
| 39 | |
| 40 | s = ks->ks->deslong; |
| 41 | /* |
| 42 | * I don't know if it is worth the effort of loop unrolling the inner |
| 43 | * loop |
| 44 | */ |
| 45 | if (enc) { |
| 46 | D_ENCRYPT(l, r, 0){ u=r^s[0 ]; t=r^s[0 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 1 */ |
| 47 | D_ENCRYPT(r, l, 2){ u=l^s[2 ]; t=l^s[2 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 2 */ |
| 48 | D_ENCRYPT(l, r, 4){ u=r^s[4 ]; t=r^s[4 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 3 */ |
| 49 | D_ENCRYPT(r, l, 6){ u=l^s[6 ]; t=l^s[6 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 4 */ |
| 50 | D_ENCRYPT(l, r, 8){ u=r^s[8 ]; t=r^s[8 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 5 */ |
| 51 | D_ENCRYPT(r, l, 10){ u=l^s[10 ]; t=l^s[10 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 6 */ |
| 52 | D_ENCRYPT(l, r, 12){ u=r^s[12 ]; t=r^s[12 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 7 */ |
| 53 | D_ENCRYPT(r, l, 14){ u=l^s[14 ]; t=l^s[14 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 8 */ |
| 54 | D_ENCRYPT(l, r, 16){ u=r^s[16 ]; t=r^s[16 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 9 */ |
| 55 | D_ENCRYPT(r, l, 18){ u=l^s[18 ]; t=l^s[18 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 10 */ |
| 56 | D_ENCRYPT(l, r, 20){ u=r^s[20 ]; t=r^s[20 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 11 */ |
| 57 | D_ENCRYPT(r, l, 22){ u=l^s[22 ]; t=l^s[22 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 12 */ |
| 58 | D_ENCRYPT(l, r, 24){ u=r^s[24 ]; t=r^s[24 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 13 */ |
| 59 | D_ENCRYPT(r, l, 26){ u=l^s[26 ]; t=l^s[26 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 14 */ |
| 60 | D_ENCRYPT(l, r, 28){ u=r^s[28 ]; t=r^s[28 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 15 */ |
| 61 | D_ENCRYPT(r, l, 30){ u=l^s[30 ]; t=l^s[30 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 16 */ |
| 62 | } else { |
| 63 | D_ENCRYPT(l, r, 30){ u=r^s[30 ]; t=r^s[30 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 16 */ |
| 64 | D_ENCRYPT(r, l, 28){ u=l^s[28 ]; t=l^s[28 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 15 */ |
| 65 | D_ENCRYPT(l, r, 26){ u=r^s[26 ]; t=r^s[26 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 14 */ |
| 66 | D_ENCRYPT(r, l, 24){ u=l^s[24 ]; t=l^s[24 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 13 */ |
| 67 | D_ENCRYPT(l, r, 22){ u=r^s[22 ]; t=r^s[22 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 12 */ |
| 68 | D_ENCRYPT(r, l, 20){ u=l^s[20 ]; t=l^s[20 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 11 */ |
| 69 | D_ENCRYPT(l, r, 18){ u=r^s[18 ]; t=r^s[18 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 10 */ |
| 70 | D_ENCRYPT(r, l, 16){ u=l^s[16 ]; t=l^s[16 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 9 */ |
| 71 | D_ENCRYPT(l, r, 14){ u=r^s[14 ]; t=r^s[14 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 8 */ |
| 72 | D_ENCRYPT(r, l, 12){ u=l^s[12 ]; t=l^s[12 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 7 */ |
| 73 | D_ENCRYPT(l, r, 10){ u=r^s[10 ]; t=r^s[10 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 6 */ |
| 74 | D_ENCRYPT(r, l, 8){ u=l^s[8 ]; t=l^s[8 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 5 */ |
| 75 | D_ENCRYPT(l, r, 6){ u=r^s[6 ]; t=r^s[6 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 4 */ |
| 76 | D_ENCRYPT(r, l, 4){ u=l^s[4 ]; t=l^s[4 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 3 */ |
| 77 | D_ENCRYPT(l, r, 2){ u=r^s[2 ]; t=r^s[2 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 2 */ |
| 78 | D_ENCRYPT(r, l, 0){ u=l^s[0 ]; t=l^s[0 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 1 */ |
| 79 | } |
| 80 | |
| 81 | /* rotate and clear the top bits on machines with 8byte longs */ |
| 82 | l = ROTATE(l, 3)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(3),"0"(l) : "cc"); ret; }) & 0xffffffffL; |
| 83 | r = ROTATE(r, 3)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(3),"0"(r) : "cc"); ret; }) & 0xffffffffL; |
| 84 | |
| 85 | FP(r, l){ register DES_LONG tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L )), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>( 8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8) )); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt ), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))& (0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=(( ((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt )<<(4))); }; |
| 86 | data[0] = l; |
| 87 | data[1] = r; |
| 88 | l = r = t = u = 0; |
| 89 | } |
| 90 | |
| 91 | void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc) |
| 92 | { |
| 93 | register DES_LONG l, r, t, u; |
| 94 | register DES_LONG *s; |
| 95 | |
| 96 | r = data[0]; |
| 97 | l = data[1]; |
| 98 | |
| 99 | /* |
| 100 | * Things have been modified so that the initial rotate is done outside |
| 101 | * the loop. This required the DES_SPtrans values in sp.h to be rotated |
| 102 | * 1 bit to the right. One perl script later and things have a 5% speed |
| 103 | * up on a sparc2. Thanks to Richard Outerbridge for pointing this out. |
| 104 | */ |
| 105 | /* clear the top bits on machines with 8byte longs */ |
| 106 | r = ROTATE(r, 29)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(29),"0"(r) : "cc"); ret; }) & 0xffffffffL; |
| 107 | l = ROTATE(l, 29)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(29),"0"(l) : "cc"); ret; }) & 0xffffffffL; |
| 108 | |
| 109 | s = ks->ks->deslong; |
| 110 | /* |
| 111 | * I don't know if it is worth the effort of loop unrolling the inner |
| 112 | * loop |
| 113 | */ |
| 114 | if (enc) { |
| 115 | D_ENCRYPT(l, r, 0){ u=r^s[0 ]; t=r^s[0 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 1 */ |
| 116 | D_ENCRYPT(r, l, 2){ u=l^s[2 ]; t=l^s[2 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 2 */ |
| 117 | D_ENCRYPT(l, r, 4){ u=r^s[4 ]; t=r^s[4 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 3 */ |
| 118 | D_ENCRYPT(r, l, 6){ u=l^s[6 ]; t=l^s[6 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 4 */ |
| 119 | D_ENCRYPT(l, r, 8){ u=r^s[8 ]; t=r^s[8 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 5 */ |
| 120 | D_ENCRYPT(r, l, 10){ u=l^s[10 ]; t=l^s[10 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 6 */ |
| 121 | D_ENCRYPT(l, r, 12){ u=r^s[12 ]; t=r^s[12 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 7 */ |
| 122 | D_ENCRYPT(r, l, 14){ u=l^s[14 ]; t=l^s[14 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 8 */ |
| 123 | D_ENCRYPT(l, r, 16){ u=r^s[16 ]; t=r^s[16 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 9 */ |
| 124 | D_ENCRYPT(r, l, 18){ u=l^s[18 ]; t=l^s[18 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 10 */ |
| 125 | D_ENCRYPT(l, r, 20){ u=r^s[20 ]; t=r^s[20 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 11 */ |
| 126 | D_ENCRYPT(r, l, 22){ u=l^s[22 ]; t=l^s[22 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 12 */ |
| 127 | D_ENCRYPT(l, r, 24){ u=r^s[24 ]; t=r^s[24 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 13 */ |
| 128 | D_ENCRYPT(r, l, 26){ u=l^s[26 ]; t=l^s[26 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 14 */ |
| 129 | D_ENCRYPT(l, r, 28){ u=r^s[28 ]; t=r^s[28 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 15 */ |
| 130 | D_ENCRYPT(r, l, 30){ u=l^s[30 ]; t=l^s[30 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 16 */ |
| 131 | } else { |
| 132 | D_ENCRYPT(l, r, 30){ u=r^s[30 ]; t=r^s[30 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 16 */ |
| 133 | D_ENCRYPT(r, l, 28){ u=l^s[28 ]; t=l^s[28 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 15 */ |
| 134 | D_ENCRYPT(l, r, 26){ u=r^s[26 ]; t=r^s[26 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 14 */ |
| 135 | D_ENCRYPT(r, l, 24){ u=l^s[24 ]; t=l^s[24 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 13 */ |
| 136 | D_ENCRYPT(l, r, 22){ u=r^s[22 ]; t=r^s[22 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 12 */ |
| 137 | D_ENCRYPT(r, l, 20){ u=l^s[20 ]; t=l^s[20 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 11 */ |
| 138 | D_ENCRYPT(l, r, 18){ u=r^s[18 ]; t=r^s[18 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 10 */ |
| 139 | D_ENCRYPT(r, l, 16){ u=l^s[16 ]; t=l^s[16 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 9 */ |
| 140 | D_ENCRYPT(l, r, 14){ u=r^s[14 ]; t=r^s[14 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 8 */ |
| 141 | D_ENCRYPT(r, l, 12){ u=l^s[12 ]; t=l^s[12 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 7 */ |
| 142 | D_ENCRYPT(l, r, 10){ u=r^s[10 ]; t=r^s[10 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 6 */ |
| 143 | D_ENCRYPT(r, l, 8){ u=l^s[8 ]; t=l^s[8 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 5 */ |
| 144 | D_ENCRYPT(l, r, 6){ u=r^s[6 ]; t=r^s[6 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 4 */ |
| 145 | D_ENCRYPT(r, l, 4){ u=l^s[4 ]; t=l^s[4 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 3 */ |
| 146 | D_ENCRYPT(l, r, 2){ u=r^s[2 ]; t=r^s[2 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 2 */ |
| 147 | D_ENCRYPT(r, l, 0){ u=l^s[0 ]; t=l^s[0 +1]; t=({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r ^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u >>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f ]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t >> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f ]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t >>26L)&0x3f]; }; /* 1 */ |
| 148 | } |
| 149 | /* rotate and clear the top bits on machines with 8byte longs */ |
| 150 | data[0] = ROTATE(l, 3)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(3),"0"(l) : "cc"); ret; }) & 0xffffffffL; |
| 151 | data[1] = ROTATE(r, 3)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) : "I"(3),"0"(r) : "cc"); ret; }) & 0xffffffffL; |
| 152 | l = r = t = u = 0; |
Although the value stored to 't' is used in the enclosing expression, the value is never actually read from 't' | |
| 153 | } |
| 154 | |
| 155 | void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, |
| 156 | DES_key_schedule *ks2, DES_key_schedule *ks3) |
| 157 | { |
| 158 | register DES_LONG l, r; |
| 159 | |
| 160 | l = data[0]; |
| 161 | r = data[1]; |
| 162 | IP(l, r){ register DES_LONG tt; ((tt)=((((r)>>(4))^(l))&(0x0f0f0f0fL )), (l)^=(tt), (r)^=((tt)<<(4))); ((tt)=((((l)>>( 16))^(r))&(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16 ))); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=( tt), (r)^=((tt)<<(2))); ((tt)=((((l)>>(8))^(r))& (0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8))); ((tt)=((( (r)>>(1))^(l))&(0x55555555L)), (l)^=(tt), (r)^=((tt )<<(1))); }; |
| 163 | data[0] = l; |
| 164 | data[1] = r; |
| 165 | DES_encrypt2((DES_LONG *)data, ks1, DES_ENCRYPT1); |
| 166 | DES_encrypt2((DES_LONG *)data, ks2, DES_DECRYPT0); |
| 167 | DES_encrypt2((DES_LONG *)data, ks3, DES_ENCRYPT1); |
| 168 | l = data[0]; |
| 169 | r = data[1]; |
| 170 | FP(r, l){ register DES_LONG tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L )), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>( 8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8) )); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt ), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))& (0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=(( ((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt )<<(4))); }; |
| 171 | data[0] = l; |
| 172 | data[1] = r; |
| 173 | } |
| 174 | |
| 175 | void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, |
| 176 | DES_key_schedule *ks2, DES_key_schedule *ks3) |
| 177 | { |
| 178 | register DES_LONG l, r; |
| 179 | |
| 180 | l = data[0]; |
| 181 | r = data[1]; |
| 182 | IP(l, r){ register DES_LONG tt; ((tt)=((((r)>>(4))^(l))&(0x0f0f0f0fL )), (l)^=(tt), (r)^=((tt)<<(4))); ((tt)=((((l)>>( 16))^(r))&(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16 ))); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=( tt), (r)^=((tt)<<(2))); ((tt)=((((l)>>(8))^(r))& (0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8))); ((tt)=((( (r)>>(1))^(l))&(0x55555555L)), (l)^=(tt), (r)^=((tt )<<(1))); }; |
| 183 | data[0] = l; |
| 184 | data[1] = r; |
| 185 | DES_encrypt2((DES_LONG *)data, ks3, DES_DECRYPT0); |
| 186 | DES_encrypt2((DES_LONG *)data, ks2, DES_ENCRYPT1); |
| 187 | DES_encrypt2((DES_LONG *)data, ks1, DES_DECRYPT0); |
| 188 | l = data[0]; |
| 189 | r = data[1]; |
| 190 | FP(r, l){ register DES_LONG tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L )), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>( 8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8) )); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt ), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))& (0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=(( ((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt )<<(4))); }; |
| 191 | data[0] = l; |
| 192 | data[1] = r; |
| 193 | } |
| 194 | |
| 195 | #ifndef DES_DEFAULT_OPTIONS |
| 196 | |
| 197 | # undef CBC_ENC_C__DONT_UPDATE_IV |
| 198 | # include "ncbc_enc.c" /* DES_ncbc_encrypt */ |
| 199 | |
| 200 | void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output, |
| 201 | long length, DES_key_schedule *ks1, |
| 202 | DES_key_schedule *ks2, DES_key_schedule *ks3, |
| 203 | DES_cblock *ivec, int enc) |
| 204 | { |
| 205 | register DES_LONG tin0, tin1; |
| 206 | register DES_LONG tout0, tout1, xor0, xor1; |
| 207 | register const unsigned char *in; |
| 208 | unsigned char *out; |
| 209 | register long l = length; |
| 210 | DES_LONG tin[2]; |
| 211 | unsigned char *iv; |
| 212 | |
| 213 | in = input; |
| 214 | out = output; |
| 215 | iv = &(*ivec)[0]; |
| 216 | |
| 217 | if (enc) { |
| 218 | c2l(iv, tout0)(tout0 =((DES_LONG)(*((iv)++))) , tout0|=((DES_LONG)(*((iv)++ )))<< 8L, tout0|=((DES_LONG)(*((iv)++)))<<16L, tout0 |=((DES_LONG)(*((iv)++)))<<24L); |
| 219 | c2l(iv, tout1)(tout1 =((DES_LONG)(*((iv)++))) , tout1|=((DES_LONG)(*((iv)++ )))<< 8L, tout1|=((DES_LONG)(*((iv)++)))<<16L, tout1 |=((DES_LONG)(*((iv)++)))<<24L); |
| 220 | for (l -= 8; l >= 0; l -= 8) { |
| 221 | c2l(in, tin0)(tin0 =((DES_LONG)(*((in)++))) , tin0|=((DES_LONG)(*((in)++)) )<< 8L, tin0|=((DES_LONG)(*((in)++)))<<16L, tin0|= ((DES_LONG)(*((in)++)))<<24L); |
| 222 | c2l(in, tin1)(tin1 =((DES_LONG)(*((in)++))) , tin1|=((DES_LONG)(*((in)++)) )<< 8L, tin1|=((DES_LONG)(*((in)++)))<<16L, tin1|= ((DES_LONG)(*((in)++)))<<24L); |
| 223 | tin0 ^= tout0; |
| 224 | tin1 ^= tout1; |
| 225 | |
| 226 | tin[0] = tin0; |
| 227 | tin[1] = tin1; |
| 228 | DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3); |
| 229 | tout0 = tin[0]; |
| 230 | tout1 = tin[1]; |
| 231 | |
| 232 | l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)= (unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char )(((tout0)>>24L)&0xff)); |
| 233 | l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)= (unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char )(((tout1)>>24L)&0xff)); |
| 234 | } |
| 235 | if (l != -8) { |
| 236 | c2ln(in, tin0, tin1, l + 8){ in+=l + 8; tin0=tin1=0; switch (l + 8) { case 8: tin1 =((DES_LONG )(*(--(in))))<<24L; case 7: tin1|=((DES_LONG)(*(--(in)) ))<<16L; case 6: tin1|=((DES_LONG)(*(--(in))))<< 8L ; case 5: tin1|=((DES_LONG)(*(--(in)))); case 4: tin0 =((DES_LONG )(*(--(in))))<<24L; case 3: tin0|=((DES_LONG)(*(--(in)) ))<<16L; case 2: tin0|=((DES_LONG)(*(--(in))))<< 8L ; case 1: tin0|=((DES_LONG)(*(--(in)))); } }; |
| 237 | tin0 ^= tout0; |
| 238 | tin1 ^= tout1; |
| 239 | |
| 240 | tin[0] = tin0; |
| 241 | tin[1] = tin1; |
| 242 | DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3); |
| 243 | tout0 = tin[0]; |
| 244 | tout1 = tin[1]; |
| 245 | |
| 246 | l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)= (unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char )(((tout0)>>24L)&0xff)); |
| 247 | l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)= (unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char )(((tout1)>>24L)&0xff)); |
| 248 | } |
| 249 | iv = &(*ivec)[0]; |
| 250 | l2c(tout0, iv)(*((iv)++)=(unsigned char)(((tout0) )&0xff), *((iv)++)=(unsigned char)(((tout0)>> 8L)&0xff), *((iv)++)=(unsigned char )(((tout0)>>16L)&0xff), *((iv)++)=(unsigned char)(( (tout0)>>24L)&0xff)); |
| 251 | l2c(tout1, iv)(*((iv)++)=(unsigned char)(((tout1) )&0xff), *((iv)++)=(unsigned char)(((tout1)>> 8L)&0xff), *((iv)++)=(unsigned char )(((tout1)>>16L)&0xff), *((iv)++)=(unsigned char)(( (tout1)>>24L)&0xff)); |
| 252 | } else { |
| 253 | register DES_LONG t0, t1; |
| 254 | |
| 255 | c2l(iv, xor0)(xor0 =((DES_LONG)(*((iv)++))) , xor0|=((DES_LONG)(*((iv)++)) )<< 8L, xor0|=((DES_LONG)(*((iv)++)))<<16L, xor0|= ((DES_LONG)(*((iv)++)))<<24L); |
| 256 | c2l(iv, xor1)(xor1 =((DES_LONG)(*((iv)++))) , xor1|=((DES_LONG)(*((iv)++)) )<< 8L, xor1|=((DES_LONG)(*((iv)++)))<<16L, xor1|= ((DES_LONG)(*((iv)++)))<<24L); |
| 257 | for (l -= 8; l >= 0; l -= 8) { |
| 258 | c2l(in, tin0)(tin0 =((DES_LONG)(*((in)++))) , tin0|=((DES_LONG)(*((in)++)) )<< 8L, tin0|=((DES_LONG)(*((in)++)))<<16L, tin0|= ((DES_LONG)(*((in)++)))<<24L); |
| 259 | c2l(in, tin1)(tin1 =((DES_LONG)(*((in)++))) , tin1|=((DES_LONG)(*((in)++)) )<< 8L, tin1|=((DES_LONG)(*((in)++)))<<16L, tin1|= ((DES_LONG)(*((in)++)))<<24L); |
| 260 | |
| 261 | t0 = tin0; |
| 262 | t1 = tin1; |
| 263 | |
| 264 | tin[0] = tin0; |
| 265 | tin[1] = tin1; |
| 266 | DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3); |
| 267 | tout0 = tin[0]; |
| 268 | tout1 = tin[1]; |
| 269 | |
| 270 | tout0 ^= xor0; |
| 271 | tout1 ^= xor1; |
| 272 | l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)= (unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char )(((tout0)>>24L)&0xff)); |
| 273 | l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)= (unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char )(((tout1)>>24L)&0xff)); |
| 274 | xor0 = t0; |
| 275 | xor1 = t1; |
| 276 | } |
| 277 | if (l != -8) { |
| 278 | c2l(in, tin0)(tin0 =((DES_LONG)(*((in)++))) , tin0|=((DES_LONG)(*((in)++)) )<< 8L, tin0|=((DES_LONG)(*((in)++)))<<16L, tin0|= ((DES_LONG)(*((in)++)))<<24L); |
| 279 | c2l(in, tin1)(tin1 =((DES_LONG)(*((in)++))) , tin1|=((DES_LONG)(*((in)++)) )<< 8L, tin1|=((DES_LONG)(*((in)++)))<<16L, tin1|= ((DES_LONG)(*((in)++)))<<24L); |
| 280 | |
| 281 | t0 = tin0; |
| 282 | t1 = tin1; |
| 283 | |
| 284 | tin[0] = tin0; |
| 285 | tin[1] = tin1; |
| 286 | DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3); |
| 287 | tout0 = tin[0]; |
| 288 | tout1 = tin[1]; |
| 289 | |
| 290 | tout0 ^= xor0; |
| 291 | tout1 ^= xor1; |
| 292 | l2cn(tout0, tout1, out, l + 8){ out+=l + 8; switch (l + 8) { case 8: *(--(out))=(unsigned char )(((tout1)>>24L)&0xff); case 7: *(--(out))=(unsigned char)(((tout1)>>16L)&0xff); case 6: *(--(out))=(unsigned char)(((tout1)>> 8L)&0xff); case 5: *(--(out))=(unsigned char)(((tout1) )&0xff); case 4: *(--(out))=(unsigned char )(((tout0)>>24L)&0xff); case 3: *(--(out))=(unsigned char)(((tout0)>>16L)&0xff); case 2: *(--(out))=(unsigned char)(((tout0)>> 8L)&0xff); case 1: *(--(out))=(unsigned char)(((tout0) )&0xff); } }; |
| 293 | xor0 = t0; |
| 294 | xor1 = t1; |
| 295 | } |
| 296 | |
| 297 | iv = &(*ivec)[0]; |
| 298 | l2c(xor0, iv)(*((iv)++)=(unsigned char)(((xor0) )&0xff), *((iv)++)=(unsigned char)(((xor0)>> 8L)&0xff), *((iv)++)=(unsigned char )(((xor0)>>16L)&0xff), *((iv)++)=(unsigned char)((( xor0)>>24L)&0xff)); |
| 299 | l2c(xor1, iv)(*((iv)++)=(unsigned char)(((xor1) )&0xff), *((iv)++)=(unsigned char)(((xor1)>> 8L)&0xff), *((iv)++)=(unsigned char )(((xor1)>>16L)&0xff), *((iv)++)=(unsigned char)((( xor1)>>24L)&0xff)); |
| 300 | } |
| 301 | tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; |
| 302 | tin[0] = tin[1] = 0; |
| 303 | } |
| 304 | |
| 305 | #endif /* DES_DEFAULT_OPTIONS */ |