diff options
| author | Matt Johnston <matt@ucc.asn.au> | 2007-02-22 14:53:49 +0000 |
|---|---|---|
| committer | Matt Johnston <matt@ucc.asn.au> | 2007-02-22 14:53:49 +0000 |
| commit | b01a74a9d757ce2b83465214bde1fa07d3e2d3ea (patch) | |
| tree | 092cac6797947f7b23fcdcc2c081b19c390c5bc4 /libtomcrypt/src/ciphers/xtea.c | |
| parent | 66643fa5c723da2dc781c5eeae2e008c280a7b1c (diff) | |
| parent | 7f12251fbb2acefac04e13a7c6a95ca4dd4b5578 (diff) | |
merge of 'a9b0496634cdd25647b65e585cc3240f3fa699ee'
and 'c22be8b8f570b48e9662dac32c7b3e7148a42206'
--HG--
extra : convert_revision : 066f6aef2791d54b9ec6a0c3033fd28fa946251f
Diffstat (limited to 'libtomcrypt/src/ciphers/xtea.c')
| -rw-r--r-- | libtomcrypt/src/ciphers/xtea.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/libtomcrypt/src/ciphers/xtea.c b/libtomcrypt/src/ciphers/xtea.c index a45a13a..ac73400 100644 --- a/libtomcrypt/src/ciphers/xtea.c +++ b/libtomcrypt/src/ciphers/xtea.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 */ /** @@ -28,7 +28,7 @@ const struct ltc_cipher_descriptor xtea_desc = &xtea_test, &xtea_done, &xtea_keysize, - NULL, NULL, NULL, NULL, NULL, NULL, NULL + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey) @@ -71,8 +71,9 @@ int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_k @param pt The input plaintext (8 bytes) @param ct The output ciphertext (8 bytes) @param skey The key as scheduled + @return CRYPT_OK if successful */ -void xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) +int xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) { unsigned long y, z; int r; @@ -98,6 +99,7 @@ void xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key } STORE32L(y, &ct[0]); STORE32L(z, &ct[4]); + return CRYPT_OK; } /** @@ -105,8 +107,9 @@ void xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key @param ct The input ciphertext (8 bytes) @param pt The output plaintext (8 bytes) @param skey The key as scheduled + @return CRYPT_OK if successful */ -void xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) +int xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) { unsigned long y, z; int r; @@ -132,6 +135,7 @@ void xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key } STORE32L(y, &pt[0]); STORE32L(z, &pt[4]); + return CRYPT_OK; } /** @@ -160,7 +164,7 @@ int xtea_test(void) xtea_ecb_encrypt(pt, tmp[0], &skey); xtea_ecb_decrypt(tmp[0], tmp[1], &skey); - if (memcmp(tmp[0], ct, 8) != 0 || memcmp(tmp[1], pt, 8) != 0) { + if (XMEMCMP(tmp[0], ct, 8) != 0 || XMEMCMP(tmp[1], pt, 8) != 0) { return CRYPT_FAIL_TESTVECTOR; } @@ -203,5 +207,5 @@ int xtea_keysize(int *keysize) /* $Source: /cvs/libtom/libtomcrypt/src/ciphers/xtea.c,v $ */ -/* $Revision: 1.7 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.12 $ */ +/* $Date: 2006/11/08 23:01:06 $ */ |