Mercurial > dropbear
diff libtomcrypt/src/ciphers/twofish/twofish.c @ 1511:5916af64acd4 fuzz
merge from main
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sat, 17 Feb 2018 19:29:51 +0800 |
parents | 6dba84798cd5 |
children | 1ff2a1034c52 |
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--- a/libtomcrypt/src/ciphers/twofish/twofish.c Tue Jan 23 23:27:40 2018 +0800 +++ b/libtomcrypt/src/ciphers/twofish/twofish.c Sat Feb 17 19:29:51 2018 +0800 @@ -5,8 +5,6 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, [email protected], http://libtom.org */ /** @@ -35,23 +33,13 @@ &twofish_test, &twofish_done, &twofish_keysize, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; /* the two polynomials */ #define MDS_POLY 0x169 #define RS_POLY 0x14D -/* The 4x4 MDS Linear Transform */ -#if 0 -static const unsigned char MDS[4][4] = { - { 0x01, 0xEF, 0x5B, 0x5B }, - { 0x5B, 0xEF, 0xEF, 0x01 }, - { 0xEF, 0x5B, 0x01, 0xEF }, - { 0xEF, 0x01, 0xEF, 0x5B } -}; -#endif - /* The 4x8 RS Linear Transform */ static const unsigned char RS[4][8] = { { 0x01, 0xA4, 0x55, 0x87, 0x5A, 0x58, 0xDB, 0x9E }, @@ -60,6 +48,7 @@ { 0XA4, 0X55, 0X87, 0X5A, 0X58, 0XDB, 0X9E, 0X03 } }; +#ifdef LTC_TWOFISH_SMALL /* sbox usage orderings */ static const unsigned char qord[4][5] = { { 1, 1, 0, 0, 1 }, @@ -67,9 +56,11 @@ { 0, 0, 0, 1, 1 }, { 1, 0, 1, 1, 0 } }; +#endif /* LTC_TWOFISH_SMALL */ #ifdef LTC_TWOFISH_TABLES +#define __LTC_TWOFISH_TAB_C__ #include "twofish_tab.c" #define sbox(i, x) ((ulong32)SBOX[i][(x)&255]) @@ -259,16 +250,19 @@ y[1] = (unsigned char)(sbox(0, (ulong32)y[1]) ^ M[4 * (6 + offset) + 1]); y[2] = (unsigned char)(sbox(0, (ulong32)y[2]) ^ M[4 * (6 + offset) + 2]); y[3] = (unsigned char)(sbox(1, (ulong32)y[3]) ^ M[4 * (6 + offset) + 3]); + /* FALLTHROUGH */ case 3: y[0] = (unsigned char)(sbox(1, (ulong32)y[0]) ^ M[4 * (4 + offset) + 0]); y[1] = (unsigned char)(sbox(1, (ulong32)y[1]) ^ M[4 * (4 + offset) + 1]); y[2] = (unsigned char)(sbox(0, (ulong32)y[2]) ^ M[4 * (4 + offset) + 2]); y[3] = (unsigned char)(sbox(0, (ulong32)y[3]) ^ M[4 * (4 + offset) + 3]); + /* FALLTHROUGH */ case 2: y[0] = (unsigned char)(sbox(1, sbox(0, sbox(0, (ulong32)y[0]) ^ M[4 * (2 + offset) + 0]) ^ M[4 * (0 + offset) + 0])); y[1] = (unsigned char)(sbox(0, sbox(0, sbox(1, (ulong32)y[1]) ^ M[4 * (2 + offset) + 1]) ^ M[4 * (0 + offset) + 1])); y[2] = (unsigned char)(sbox(1, sbox(1, sbox(0, (ulong32)y[2]) ^ M[4 * (2 + offset) + 2]) ^ M[4 * (0 + offset) + 2])); y[3] = (unsigned char)(sbox(0, sbox(1, sbox(1, (ulong32)y[3]) ^ M[4 * (2 + offset) + 3]) ^ M[4 * (0 + offset) + 3])); + /* FALLTHROUGH */ } mds_mult(y, out); } @@ -663,10 +657,8 @@ } twofish_ecb_encrypt(tests[i].pt, tmp[0], &key); twofish_ecb_decrypt(tmp[0], tmp[1], &key); - if (XMEMCMP(tmp[0], tests[i].ct, 16) != 0 || XMEMCMP(tmp[1], tests[i].pt, 16) != 0) { -#if 0 - printf("Twofish failed test %d, %d, %d\n", i, XMEMCMP(tmp[0], tests[i].ct, 16), XMEMCMP(tmp[1], tests[i].pt, 16)); -#endif + if (compare_testvector(tmp[0], 16, tests[i].ct, 16, "Twofish Encrypt", i) != 0 || + compare_testvector(tmp[1], 16, tests[i].pt, 16, "Twofish Decrypt", i) != 0) { return CRYPT_FAIL_TESTVECTOR; } /* now see if we can encrypt all zero bytes 1000 times, decrypt and come back where we started */ @@ -684,7 +676,7 @@ */ void twofish_done(symmetric_key *skey) { - (void)skey; + LTC_UNUSED_PARAM(skey); } /** @@ -714,6 +706,6 @@ -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */