diff options
Diffstat (limited to 'src/ciphers/noekeon.c')
| -rw-r--r-- | src/ciphers/noekeon.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/src/ciphers/noekeon.c b/src/ciphers/noekeon.c index e502dfe..f467ff2 100644 --- a/src/ciphers/noekeon.c +++ b/src/ciphers/noekeon.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ /** @file noekeon.c @@ -27,7 +27,7 @@ const struct ltc_cipher_descriptor noekeon_desc = &noekeon_test, &noekeon_done, &noekeon_keysize, - NULL, NULL, NULL, NULL, NULL, NULL, NULL + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; static const ulong32 RC[] = { @@ -107,11 +107,12 @@ int noekeon_setup(const unsigned char *key, int keylen, int num_rounds, symmetri @param pt The input plaintext (16 bytes) @param ct The output ciphertext (16 bytes) @param skey The key as scheduled + @return CRYPT_OK if successful */ #ifdef LTC_CLEAN_STACK -static void _noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) +static int _noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) #else -void noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) +int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) #endif { ulong32 a,b,c,d,temp; @@ -142,13 +143,16 @@ void noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_k STORE32H(a,&ct[0]); STORE32H(b,&ct[4]); STORE32H(c,&ct[8]); STORE32H(d,&ct[12]); + + return CRYPT_OK; } #ifdef LTC_CLEAN_STACK -void noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) +int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) { - _noekeon_ecb_encrypt(pt, ct, skey); + int err = _noekeon_ecb_encrypt(pt, ct, skey); burn_stack(sizeof(ulong32) * 5 + sizeof(int)); + return CRYPT_OK; } #endif @@ -157,11 +161,12 @@ void noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_k @param ct The input ciphertext (16 bytes) @param pt The output plaintext (16 bytes) @param skey The key as scheduled + @return CRYPT_OK if successful */ #ifdef LTC_CLEAN_STACK -static void _noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) +static int _noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) #else -void noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) +int noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) #endif { ulong32 a,b,c,d, temp; @@ -192,13 +197,15 @@ void noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_k a ^= RC[0]; STORE32H(a,&pt[0]); STORE32H(b, &pt[4]); STORE32H(c,&pt[8]); STORE32H(d, &pt[12]); + return CRYPT_OK; } #ifdef LTC_CLEAN_STACK -void noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) +int noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) { - _noekeon_ecb_decrypt(ct, pt, skey); + int err = _noekeon_ecb_decrypt(ct, pt, skey); burn_stack(sizeof(ulong32) * 5 + sizeof(int)); + return err; } #endif @@ -235,10 +242,10 @@ int noekeon_test(void) noekeon_ecb_encrypt(tests[i].pt, tmp[0], &key); noekeon_ecb_decrypt(tmp[0], tmp[1], &key); - if (memcmp(tmp[0], tests[i].ct, 16) || memcmp(tmp[1], tests[i].pt, 16)) { + if (XMEMCMP(tmp[0], tests[i].ct, 16) || XMEMCMP(tmp[1], tests[i].pt, 16)) { #if 0 printf("\n\nTest %d failed\n", i); - if (memcmp(tmp[0], tests[i].ct, 16)) { + if (XMEMCMP(tmp[0], tests[i].ct, 16)) { printf("CT: "); for (i = 0; i < 16; i++) { printf("%02x ", tmp[0][i]); @@ -292,5 +299,5 @@ int noekeon_keysize(int *keysize) /* $Source: /cvs/libtom/libtomcrypt/src/ciphers/noekeon.c,v $ */ -/* $Revision: 1.7 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.12 $ */ +/* $Date: 2006/11/08 23:01:06 $ */ |