diff options
author | Damien Miller <djm@mindrot.org> | 2013-02-12 11:00:34 +1100 |
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committer | Damien Miller <djm@mindrot.org> | 2013-02-12 11:00:34 +1100 |
commit | f0a8ded824a0149940a8c95755da05a9ce5d7f35 (patch) | |
tree | 2d0110f9ce614c2cd6a489659c0433187825869b /acss.c | |
parent | 60565bcb5c26f38b9f1c0261c0608751979571d4 (diff) |
- djm@cvs.openbsd.org 2013/01/26 06:11:05
[Makefile.in acss.c acss.h cipher-acss.c cipher.c]
[openbsd-compat/openssl-compat.h]
remove ACSS, now that it is gone from libcrypto too
Diffstat (limited to 'acss.c')
-rw-r--r-- | acss.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/acss.c b/acss.c deleted file mode 100644 index 86e2c01a..00000000 --- a/acss.c +++ /dev/null @@ -1,267 +0,0 @@ -/* $Id: acss.c,v 1.4 2006/07/24 04:51:01 djm Exp $ */ -/* - * Copyright (c) 2004 The OpenBSD project - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "includes.h" - -#include <string.h> - -#include <openssl/evp.h> - -#if !defined(EVP_CTRL_SET_ACSS_MODE) && (OPENSSL_VERSION_NUMBER >= 0x00906000L) - -#include "acss.h" - -/* decryption sbox */ -static unsigned char sboxdec[] = { - 0x33, 0x73, 0x3b, 0x26, 0x63, 0x23, 0x6b, 0x76, - 0x3e, 0x7e, 0x36, 0x2b, 0x6e, 0x2e, 0x66, 0x7b, - 0xd3, 0x93, 0xdb, 0x06, 0x43, 0x03, 0x4b, 0x96, - 0xde, 0x9e, 0xd6, 0x0b, 0x4e, 0x0e, 0x46, 0x9b, - 0x57, 0x17, 0x5f, 0x82, 0xc7, 0x87, 0xcf, 0x12, - 0x5a, 0x1a, 0x52, 0x8f, 0xca, 0x8a, 0xc2, 0x1f, - 0xd9, 0x99, 0xd1, 0x00, 0x49, 0x09, 0x41, 0x90, - 0xd8, 0x98, 0xd0, 0x01, 0x48, 0x08, 0x40, 0x91, - 0x3d, 0x7d, 0x35, 0x24, 0x6d, 0x2d, 0x65, 0x74, - 0x3c, 0x7c, 0x34, 0x25, 0x6c, 0x2c, 0x64, 0x75, - 0xdd, 0x9d, 0xd5, 0x04, 0x4d, 0x0d, 0x45, 0x94, - 0xdc, 0x9c, 0xd4, 0x05, 0x4c, 0x0c, 0x44, 0x95, - 0x59, 0x19, 0x51, 0x80, 0xc9, 0x89, 0xc1, 0x10, - 0x58, 0x18, 0x50, 0x81, 0xc8, 0x88, 0xc0, 0x11, - 0xd7, 0x97, 0xdf, 0x02, 0x47, 0x07, 0x4f, 0x92, - 0xda, 0x9a, 0xd2, 0x0f, 0x4a, 0x0a, 0x42, 0x9f, - 0x53, 0x13, 0x5b, 0x86, 0xc3, 0x83, 0xcb, 0x16, - 0x5e, 0x1e, 0x56, 0x8b, 0xce, 0x8e, 0xc6, 0x1b, - 0xb3, 0xf3, 0xbb, 0xa6, 0xe3, 0xa3, 0xeb, 0xf6, - 0xbe, 0xfe, 0xb6, 0xab, 0xee, 0xae, 0xe6, 0xfb, - 0x37, 0x77, 0x3f, 0x22, 0x67, 0x27, 0x6f, 0x72, - 0x3a, 0x7a, 0x32, 0x2f, 0x6a, 0x2a, 0x62, 0x7f, - 0xb9, 0xf9, 0xb1, 0xa0, 0xe9, 0xa9, 0xe1, 0xf0, - 0xb8, 0xf8, 0xb0, 0xa1, 0xe8, 0xa8, 0xe0, 0xf1, - 0x5d, 0x1d, 0x55, 0x84, 0xcd, 0x8d, 0xc5, 0x14, - 0x5c, 0x1c, 0x54, 0x85, 0xcc, 0x8c, 0xc4, 0x15, - 0xbd, 0xfd, 0xb5, 0xa4, 0xed, 0xad, 0xe5, 0xf4, - 0xbc, 0xfc, 0xb4, 0xa5, 0xec, 0xac, 0xe4, 0xf5, - 0x39, 0x79, 0x31, 0x20, 0x69, 0x29, 0x61, 0x70, - 0x38, 0x78, 0x30, 0x21, 0x68, 0x28, 0x60, 0x71, - 0xb7, 0xf7, 0xbf, 0xa2, 0xe7, 0xa7, 0xef, 0xf2, - 0xba, 0xfa, 0xb2, 0xaf, 0xea, 0xaa, 0xe2, 0xff -}; - -/* encryption sbox */ -static unsigned char sboxenc[] = { - 0x33, 0x3b, 0x73, 0x15, 0x53, 0x5b, 0x13, 0x75, - 0x3d, 0x35, 0x7d, 0x1b, 0x5d, 0x55, 0x1d, 0x7b, - 0x67, 0x6f, 0x27, 0x81, 0xc7, 0xcf, 0x87, 0x21, - 0x69, 0x61, 0x29, 0x8f, 0xc9, 0xc1, 0x89, 0x2f, - 0xe3, 0xeb, 0xa3, 0x05, 0x43, 0x4b, 0x03, 0xa5, - 0xed, 0xe5, 0xad, 0x0b, 0x4d, 0x45, 0x0d, 0xab, - 0xea, 0xe2, 0xaa, 0x00, 0x4a, 0x42, 0x0a, 0xa0, - 0xe8, 0xe0, 0xa8, 0x02, 0x48, 0x40, 0x08, 0xa2, - 0x3e, 0x36, 0x7e, 0x14, 0x5e, 0x56, 0x1e, 0x74, - 0x3c, 0x34, 0x7c, 0x16, 0x5c, 0x54, 0x1c, 0x76, - 0x6a, 0x62, 0x2a, 0x80, 0xca, 0xc2, 0x8a, 0x20, - 0x68, 0x60, 0x28, 0x82, 0xc8, 0xc0, 0x88, 0x22, - 0xee, 0xe6, 0xae, 0x04, 0x4e, 0x46, 0x0e, 0xa4, - 0xec, 0xe4, 0xac, 0x06, 0x4c, 0x44, 0x0c, 0xa6, - 0xe7, 0xef, 0xa7, 0x01, 0x47, 0x4f, 0x07, 0xa1, - 0xe9, 0xe1, 0xa9, 0x0f, 0x49, 0x41, 0x09, 0xaf, - 0x63, 0x6b, 0x23, 0x85, 0xc3, 0xcb, 0x83, 0x25, - 0x6d, 0x65, 0x2d, 0x8b, 0xcd, 0xc5, 0x8d, 0x2b, - 0x37, 0x3f, 0x77, 0x11, 0x57, 0x5f, 0x17, 0x71, - 0x39, 0x31, 0x79, 0x1f, 0x59, 0x51, 0x19, 0x7f, - 0xb3, 0xbb, 0xf3, 0x95, 0xd3, 0xdb, 0x93, 0xf5, - 0xbd, 0xb5, 0xfd, 0x9b, 0xdd, 0xd5, 0x9d, 0xfb, - 0xba, 0xb2, 0xfa, 0x90, 0xda, 0xd2, 0x9a, 0xf0, - 0xb8, 0xb0, 0xf8, 0x92, 0xd8, 0xd0, 0x98, 0xf2, - 0x6e, 0x66, 0x2e, 0x84, 0xce, 0xc6, 0x8e, 0x24, - 0x6c, 0x64, 0x2c, 0x86, 0xcc, 0xc4, 0x8c, 0x26, - 0x3a, 0x32, 0x7a, 0x10, 0x5a, 0x52, 0x1a, 0x70, - 0x38, 0x30, 0x78, 0x12, 0x58, 0x50, 0x18, 0x72, - 0xbe, 0xb6, 0xfe, 0x94, 0xde, 0xd6, 0x9e, 0xf4, - 0xbc, 0xb4, 0xfc, 0x96, 0xdc, 0xd4, 0x9c, 0xf6, - 0xb7, 0xbf, 0xf7, 0x91, 0xd7, 0xdf, 0x97, 0xf1, - 0xb9, 0xb1, 0xf9, 0x9f, 0xd9, 0xd1, 0x99, 0xff -}; - -static unsigned char reverse[] = { - 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, - 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, - 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, - 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, - 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, - 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, - 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, - 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, - 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, - 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, - 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, - 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, - 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, - 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, - 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, - 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, - 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, - 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, - 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, - 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, - 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, - 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, - 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, - 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, - 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, - 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, - 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, - 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, - 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, - 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, - 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, - 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff -}; - -/* - * Two linear feedback shift registers are used: - * - * lfsr17: polynomial of degree 17, primitive modulo 2 (listed in Schneier) - * x^15 + x + 1 - * lfsr25: polynomial of degree 25, not know if primitive modulo 2 - * x^13 + x^5 + x^4 + x^1 + 1 - * - * Output bits are discarded, instead the feedback bits are added to produce - * the cipher stream. Depending on the mode, feedback bytes may be inverted - * bit-wise before addition. - * - * The lfsrs are seeded with bytes from the raw key: - * - * lfsr17: byte 0[0:7] at bit 9 - * byte 1[0:7] at bit 0 - * - * lfsr25: byte 2[0:4] at bit 16 - * byte 2[5:7] at bit 22 - * byte 3[0:7] at bit 8 - * byte 4[0:7] at bit 0 - * - * To prevent 0 cycles, 1's are inject at bit 8 in lfrs17 and bit 21 in - * lfsr25. - * - */ - -int -acss(ACSS_KEY *key, unsigned long len, const unsigned char *in, - unsigned char *out) -{ - unsigned long i; - unsigned long lfsr17tmp, lfsr25tmp, lfsrsumtmp; - - lfsrsumtmp = lfsr17tmp = lfsr25tmp = 0; - - /* keystream is sum of lfsrs */ - for (i = 0; i < len; i++) { - lfsr17tmp = key->lfsr17 ^ (key->lfsr17 >> 14); - key->lfsr17 = (key->lfsr17 >> 8) - ^ (lfsr17tmp << 9) - ^ (lfsr17tmp << 12) - ^ (lfsr17tmp << 15); - key->lfsr17 &= 0x1ffff; /* 17 bit LFSR */ - - lfsr25tmp = key->lfsr25 - ^ (key->lfsr25 >> 3) - ^ (key->lfsr25 >> 4) - ^ (key->lfsr25 >> 12); - key->lfsr25 = (key->lfsr25 >> 8) ^ (lfsr25tmp << 17); - key->lfsr25 &= 0x1ffffff; /* 25 bit LFSR */ - - lfsrsumtmp = key->lfsrsum; - - /* addition */ - switch (key->mode) { - case ACSS_AUTHENTICATE: - case ACSS_DATA: - key->lfsrsum = 0xff & ~(key->lfsr17 >> 9); - key->lfsrsum += key->lfsr25 >> 17; - break; - case ACSS_SESSIONKEY: - key->lfsrsum = key->lfsr17 >> 9; - key->lfsrsum += key->lfsr25 >> 17; - break; - case ACSS_TITLEKEY: - key->lfsrsum = key->lfsr17 >> 9; - key->lfsrsum += 0xff & ~(key->lfsr25 >> 17); - break; - default: - return 1; - } - key->lfsrsum += (lfsrsumtmp >> 8); - - if (key->encrypt) { - out[i] = sboxenc[(in[i] ^ key->lfsrsum) & 0xff]; - } else { - out[i] = (sboxdec[in[i]] ^ key->lfsrsum) & 0xff; - } - } - - return 0; -} - -static void -acss_seed(ACSS_KEY *key) -{ - int i; - - /* if available, mangle with subkey */ - if (key->subkey_avilable) { - for (i = 0; i < ACSS_KEYSIZE; i++) - key->seed[i] = reverse[key->data[i] ^ key->subkey[i]]; - } else { - for (i = 0; i < ACSS_KEYSIZE; i++) - key->seed[i] = reverse[key->data[i]]; - } - - /* seed lfsrs */ - key->lfsr17 = key->seed[1] - | (key->seed[0] << 9) - | (1 << 8); /* inject 1 at bit 9 */ - key->lfsr25 = key->seed[4] - | (key->seed[3] << 8) - | ((key->seed[2] & 0x1f) << 16) - | ((key->seed[2] & 0xe0) << 17) - | (1 << 21); /* inject 1 at bit 22 */ - - key->lfsrsum = 0; -} - -void -acss_setkey(ACSS_KEY *key, const unsigned char *data, int enc, int mode) -{ - memcpy(key->data, data, sizeof(key->data)); - memset(key->subkey, 0, sizeof(key->subkey)); - - if (enc != -1) - key->encrypt = enc; - key->mode = mode; - key->subkey_avilable = 0; - - acss_seed(key); -} - -void -acss_setsubkey(ACSS_KEY *key, const unsigned char *subkey) -{ - memcpy(key->subkey, subkey, sizeof(key->subkey)); - key->subkey_avilable = 1; - acss_seed(key); -} -#endif |