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-rw-r--r--src/ciphers/cast5.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/src/ciphers/cast5.c b/src/ciphers/cast5.c
index f4b045c..eba39da 100644
--- a/src/ciphers/cast5.c
+++ b/src/ciphers/cast5.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
*/
/**
@@ -27,7 +27,7 @@ const struct ltc_cipher_descriptor cast5_desc = {
&cast5_test,
&cast5_done,
&cast5_keysize,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
static const ulong32 S1[256] = {
@@ -536,9 +536,9 @@ INLINE static ulong32 FIII(ulong32 R, ulong32 Km, ulong32 Kr)
@param skey The key as scheduled
*/
#ifdef LTC_CLEAN_STACK
-static void _cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+static int _cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
#else
-void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
#endif
{
ulong32 R, L;
@@ -569,14 +569,16 @@ void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key
}
STORE32H(R,&ct[0]);
STORE32H(L,&ct[4]);
+ return CRYPT_OK;
}
#ifdef LTC_CLEAN_STACK
-void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
{
- _cast5_ecb_encrypt(pt,ct,skey);
+ int err =_cast5_ecb_encrypt(pt,ct,skey);
burn_stack(sizeof(ulong32)*3);
+ return err;
}
#endif
@@ -587,9 +589,9 @@ void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key
@param skey The key as scheduled
*/
#ifdef LTC_CLEAN_STACK
-static void _cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+static int _cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
#else
-void cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
#endif
{
ulong32 R, L;
@@ -620,13 +622,16 @@ void cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key
L ^= FI(R, skey->cast5.K[0], skey->cast5.K[16]);
STORE32H(L,&pt[0]);
STORE32H(R,&pt[4]);
+
+ return CRYPT_OK;
}
#ifdef LTC_CLEAN_STACK
-void cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
{
- _cast5_ecb_decrypt(ct,pt,skey);
+ int err = _cast5_ecb_decrypt(ct,pt,skey);
burn_stack(sizeof(ulong32)*3);
+ return err;
}
#endif
@@ -671,7 +676,7 @@ int cast5_test(void)
}
cast5_ecb_encrypt(tests[i].pt, tmp[0], &key);
cast5_ecb_decrypt(tmp[0], tmp[1], &key);
- if ((memcmp(tmp[0], tests[i].ct, 8) != 0) || (memcmp(tmp[1], tests[i].pt, 8) != 0)) {
+ if ((XMEMCMP(tmp[0], tests[i].ct, 8) != 0) || (XMEMCMP(tmp[1], tests[i].pt, 8) != 0)) {
return CRYPT_FAIL_TESTVECTOR;
}
/* now see if we can encrypt all zero bytes 1000 times, decrypt and come back where we started */
@@ -711,5 +716,5 @@ int cast5_keysize(int *keysize)
#endif
/* $Source: /cvs/libtom/libtomcrypt/src/ciphers/cast5.c,v $ */
-/* $Revision: 1.7 $ */
-/* $Date: 2005/05/05 14:35:58 $ */
+/* $Revision: 1.12 $ */
+/* $Date: 2006/11/08 23:01:06 $ */