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Diffstat (limited to 'libtomcrypt/src/ciphers/noekeon.c')
-rw-r--r--libtomcrypt/src/ciphers/noekeon.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/libtomcrypt/src/ciphers/noekeon.c b/libtomcrypt/src/ciphers/noekeon.c
index e502dfe..f467ff2 100644
--- a/libtomcrypt/src/ciphers/noekeon.c
+++ b/libtomcrypt/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 $ */