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author | William Joye <wjoye@cfa.harvard.edu> | 2017-05-02 16:40:01 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2017-05-02 16:40:01 (GMT) |
commit | 0a2b8b8e0bc2e91a9f10659b30e2e4f5b79ce692 (patch) | |
tree | 3d0871d05cfd11f60b86829d2d93704034dad24e /openssl/crypto/des/des_enc.c | |
parent | e9abe0dba896d2b0fc22301588336e89ff246ba7 (diff) | |
download | blt-0a2b8b8e0bc2e91a9f10659b30e2e4f5b79ce692.zip blt-0a2b8b8e0bc2e91a9f10659b30e2e4f5b79ce692.tar.gz blt-0a2b8b8e0bc2e91a9f10659b30e2e4f5b79ce692.tar.bz2 |
reinstall
Diffstat (limited to 'openssl/crypto/des/des_enc.c')
-rw-r--r-- | openssl/crypto/des/des_enc.c | 389 |
1 files changed, 0 insertions, 389 deletions
diff --git a/openssl/crypto/des/des_enc.c b/openssl/crypto/des/des_enc.c deleted file mode 100644 index c0b062d..0000000 --- a/openssl/crypto/des/des_enc.c +++ /dev/null @@ -1,389 +0,0 @@ -/* crypto/des/des_enc.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ - -#include "des_locl.h" -#include "spr.h" - -void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc) -{ - register DES_LONG l, r, t, u; -#ifdef DES_PTR - register const unsigned char *des_SP = (const unsigned char *)DES_SPtrans; -#endif -#ifndef DES_UNROLL - register int i; -#endif - register DES_LONG *s; - - r = data[0]; - l = data[1]; - - IP(r, l); - /* - * Things have been modified so that the initial rotate is done outside - * the loop. This required the DES_SPtrans values in sp.h to be rotated - * 1 bit to the right. One perl script later and things have a 5% speed - * up on a sparc2. Thanks to Richard Outerbridge - * <71755.204@CompuServe.COM> for pointing this out. - */ - /* clear the top bits on machines with 8byte longs */ - /* shift left by 2 */ - r = ROTATE(r, 29) & 0xffffffffL; - l = ROTATE(l, 29) & 0xffffffffL; - - s = ks->ks->deslong; - /* - * I don't know if it is worth the effort of loop unrolling the inner - * loop - */ - if (enc) { -#ifdef DES_UNROLL - D_ENCRYPT(l, r, 0); /* 1 */ - D_ENCRYPT(r, l, 2); /* 2 */ - D_ENCRYPT(l, r, 4); /* 3 */ - D_ENCRYPT(r, l, 6); /* 4 */ - D_ENCRYPT(l, r, 8); /* 5 */ - D_ENCRYPT(r, l, 10); /* 6 */ - D_ENCRYPT(l, r, 12); /* 7 */ - D_ENCRYPT(r, l, 14); /* 8 */ - D_ENCRYPT(l, r, 16); /* 9 */ - D_ENCRYPT(r, l, 18); /* 10 */ - D_ENCRYPT(l, r, 20); /* 11 */ - D_ENCRYPT(r, l, 22); /* 12 */ - D_ENCRYPT(l, r, 24); /* 13 */ - D_ENCRYPT(r, l, 26); /* 14 */ - D_ENCRYPT(l, r, 28); /* 15 */ - D_ENCRYPT(r, l, 30); /* 16 */ -#else - for (i = 0; i < 32; i += 4) { - D_ENCRYPT(l, r, i + 0); /* 1 */ - D_ENCRYPT(r, l, i + 2); /* 2 */ - } -#endif - } else { -#ifdef DES_UNROLL - D_ENCRYPT(l, r, 30); /* 16 */ - D_ENCRYPT(r, l, 28); /* 15 */ - D_ENCRYPT(l, r, 26); /* 14 */ - D_ENCRYPT(r, l, 24); /* 13 */ - D_ENCRYPT(l, r, 22); /* 12 */ - D_ENCRYPT(r, l, 20); /* 11 */ - D_ENCRYPT(l, r, 18); /* 10 */ - D_ENCRYPT(r, l, 16); /* 9 */ - D_ENCRYPT(l, r, 14); /* 8 */ - D_ENCRYPT(r, l, 12); /* 7 */ - D_ENCRYPT(l, r, 10); /* 6 */ - D_ENCRYPT(r, l, 8); /* 5 */ - D_ENCRYPT(l, r, 6); /* 4 */ - D_ENCRYPT(r, l, 4); /* 3 */ - D_ENCRYPT(l, r, 2); /* 2 */ - D_ENCRYPT(r, l, 0); /* 1 */ -#else - for (i = 30; i > 0; i -= 4) { - D_ENCRYPT(l, r, i - 0); /* 16 */ - D_ENCRYPT(r, l, i - 2); /* 15 */ - } -#endif - } - - /* rotate and clear the top bits on machines with 8byte longs */ - l = ROTATE(l, 3) & 0xffffffffL; - r = ROTATE(r, 3) & 0xffffffffL; - - FP(r, l); - data[0] = l; - data[1] = r; - l = r = t = u = 0; -} - -void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc) -{ - register DES_LONG l, r, t, u; -#ifdef DES_PTR - register const unsigned char *des_SP = (const unsigned char *)DES_SPtrans; -#endif -#ifndef DES_UNROLL - register int i; -#endif - register DES_LONG *s; - - r = data[0]; - l = data[1]; - - /* - * Things have been modified so that the initial rotate is done outside - * the loop. This required the DES_SPtrans values in sp.h to be rotated - * 1 bit to the right. One perl script later and things have a 5% speed - * up on a sparc2. Thanks to Richard Outerbridge - * <71755.204@CompuServe.COM> for pointing this out. - */ - /* clear the top bits on machines with 8byte longs */ - r = ROTATE(r, 29) & 0xffffffffL; - l = ROTATE(l, 29) & 0xffffffffL; - - s = ks->ks->deslong; - /* - * I don't know if it is worth the effort of loop unrolling the inner - * loop - */ - if (enc) { -#ifdef DES_UNROLL - D_ENCRYPT(l, r, 0); /* 1 */ - D_ENCRYPT(r, l, 2); /* 2 */ - D_ENCRYPT(l, r, 4); /* 3 */ - D_ENCRYPT(r, l, 6); /* 4 */ - D_ENCRYPT(l, r, 8); /* 5 */ - D_ENCRYPT(r, l, 10); /* 6 */ - D_ENCRYPT(l, r, 12); /* 7 */ - D_ENCRYPT(r, l, 14); /* 8 */ - D_ENCRYPT(l, r, 16); /* 9 */ - D_ENCRYPT(r, l, 18); /* 10 */ - D_ENCRYPT(l, r, 20); /* 11 */ - D_ENCRYPT(r, l, 22); /* 12 */ - D_ENCRYPT(l, r, 24); /* 13 */ - D_ENCRYPT(r, l, 26); /* 14 */ - D_ENCRYPT(l, r, 28); /* 15 */ - D_ENCRYPT(r, l, 30); /* 16 */ -#else - for (i = 0; i < 32; i += 4) { - D_ENCRYPT(l, r, i + 0); /* 1 */ - D_ENCRYPT(r, l, i + 2); /* 2 */ - } -#endif - } else { -#ifdef DES_UNROLL - D_ENCRYPT(l, r, 30); /* 16 */ - D_ENCRYPT(r, l, 28); /* 15 */ - D_ENCRYPT(l, r, 26); /* 14 */ - D_ENCRYPT(r, l, 24); /* 13 */ - D_ENCRYPT(l, r, 22); /* 12 */ - D_ENCRYPT(r, l, 20); /* 11 */ - D_ENCRYPT(l, r, 18); /* 10 */ - D_ENCRYPT(r, l, 16); /* 9 */ - D_ENCRYPT(l, r, 14); /* 8 */ - D_ENCRYPT(r, l, 12); /* 7 */ - D_ENCRYPT(l, r, 10); /* 6 */ - D_ENCRYPT(r, l, 8); /* 5 */ - D_ENCRYPT(l, r, 6); /* 4 */ - D_ENCRYPT(r, l, 4); /* 3 */ - D_ENCRYPT(l, r, 2); /* 2 */ - D_ENCRYPT(r, l, 0); /* 1 */ -#else - for (i = 30; i > 0; i -= 4) { - D_ENCRYPT(l, r, i - 0); /* 16 */ - D_ENCRYPT(r, l, i - 2); /* 15 */ - } -#endif - } - /* rotate and clear the top bits on machines with 8byte longs */ - data[0] = ROTATE(l, 3) & 0xffffffffL; - data[1] = ROTATE(r, 3) & 0xffffffffL; - l = r = t = u = 0; -} - -void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, - DES_key_schedule *ks2, DES_key_schedule *ks3) -{ - register DES_LONG l, r; - - l = data[0]; - r = data[1]; - IP(l, r); - data[0] = l; - data[1] = r; - DES_encrypt2((DES_LONG *)data, ks1, DES_ENCRYPT); - DES_encrypt2((DES_LONG *)data, ks2, DES_DECRYPT); - DES_encrypt2((DES_LONG *)data, ks3, DES_ENCRYPT); - l = data[0]; - r = data[1]; - FP(r, l); - data[0] = l; - data[1] = r; -} - -void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, - DES_key_schedule *ks2, DES_key_schedule *ks3) -{ - register DES_LONG l, r; - - l = data[0]; - r = data[1]; - IP(l, r); - data[0] = l; - data[1] = r; - DES_encrypt2((DES_LONG *)data, ks3, DES_DECRYPT); - DES_encrypt2((DES_LONG *)data, ks2, DES_ENCRYPT); - DES_encrypt2((DES_LONG *)data, ks1, DES_DECRYPT); - l = data[0]; - r = data[1]; - FP(r, l); - data[0] = l; - data[1] = r; -} - -#ifndef DES_DEFAULT_OPTIONS - -# undef CBC_ENC_C__DONT_UPDATE_IV -# include "ncbc_enc.c" /* DES_ncbc_encrypt */ - -void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output, - long length, DES_key_schedule *ks1, - DES_key_schedule *ks2, DES_key_schedule *ks3, - DES_cblock *ivec, int enc) -{ - register DES_LONG tin0, tin1; - register DES_LONG tout0, tout1, xor0, xor1; - register const unsigned char *in; - unsigned char *out; - register long l = length; - DES_LONG tin[2]; - unsigned char *iv; - - in = input; - out = output; - iv = &(*ivec)[0]; - - if (enc) { - c2l(iv, tout0); - c2l(iv, tout1); - for (l -= 8; l >= 0; l -= 8) { - c2l(in, tin0); - c2l(in, tin1); - tin0 ^= tout0; - tin1 ^= tout1; - - tin[0] = tin0; - tin[1] = tin1; - DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3); - tout0 = tin[0]; - tout1 = tin[1]; - - l2c(tout0, out); - l2c(tout1, out); - } - if (l != -8) { - c2ln(in, tin0, tin1, l + 8); - tin0 ^= tout0; - tin1 ^= tout1; - - tin[0] = tin0; - tin[1] = tin1; - DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3); - tout0 = tin[0]; - tout1 = tin[1]; - - l2c(tout0, out); - l2c(tout1, out); - } - iv = &(*ivec)[0]; - l2c(tout0, iv); - l2c(tout1, iv); - } else { - register DES_LONG t0, t1; - - c2l(iv, xor0); - c2l(iv, xor1); - for (l -= 8; l >= 0; l -= 8) { - c2l(in, tin0); - c2l(in, tin1); - - t0 = tin0; - t1 = tin1; - - tin[0] = tin0; - tin[1] = tin1; - DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3); - tout0 = tin[0]; - tout1 = tin[1]; - - tout0 ^= xor0; - tout1 ^= xor1; - l2c(tout0, out); - l2c(tout1, out); - xor0 = t0; - xor1 = t1; - } - if (l != -8) { - c2l(in, tin0); - c2l(in, tin1); - - t0 = tin0; - t1 = tin1; - - tin[0] = tin0; - tin[1] = tin1; - DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3); - tout0 = tin[0]; - tout1 = tin[1]; - - tout0 ^= xor0; - tout1 ^= xor1; - l2cn(tout0, tout1, out, l + 8); - xor0 = t0; - xor1 = t1; - } - - iv = &(*ivec)[0]; - l2c(xor0, iv); - l2c(xor1, iv); - } - tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; - tin[0] = tin[1] = 0; -} - -#endif /* DES_DEFAULT_OPTIONS */ |