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-rw-r--r--src/ciphers/blowfish.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/src/ciphers/blowfish.c b/src/ciphers/blowfish.c
index 3502983..ae8945f 100644
--- a/src/ciphers/blowfish.c
+++ b/src/ciphers/blowfish.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 blowfish.c
@@ -27,7 +27,7 @@ const struct ltc_cipher_descriptor blowfish_desc =
&blowfish_test,
&blowfish_done,
&blowfish_keysize,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
static const ulong32 ORIG_P[16 + 2] = {
@@ -385,11 +385,12 @@ int blowfish_setup(const unsigned char *key, int keylen, int num_rounds,
@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
*/
#ifdef LTC_CLEAN_STACK
-static void _blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+static int _blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
#else
-void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
#endif
{
ulong32 L, R;
@@ -428,13 +429,16 @@ void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_
/* store */
STORE32H(R, &ct[0]);
STORE32H(L, &ct[4]);
+
+ return CRYPT_OK;
}
#ifdef LTC_CLEAN_STACK
-void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
{
- _blowfish_ecb_encrypt(pt, ct, skey);
+ int err = _blowfish_ecb_encrypt(pt, ct, skey);
burn_stack(sizeof(ulong32) * 2 + sizeof(int));
+ return err;
}
#endif
@@ -443,11 +447,12 @@ void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_
@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
*/
#ifdef LTC_CLEAN_STACK
-static void _blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+static int _blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
#else
-void blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
#endif
{
ulong32 L, R;
@@ -486,13 +491,15 @@ void blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_
/* store */
STORE32H(L, &pt[0]);
STORE32H(R, &pt[4]);
+ return CRYPT_OK;
}
#ifdef LTC_CLEAN_STACK
-void blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
{
- _blowfish_ecb_decrypt(ct, pt, skey);
+ int err = _blowfish_ecb_decrypt(ct, pt, skey);
burn_stack(sizeof(ulong32) * 2 + sizeof(int));
+ return err;
}
#endif
@@ -541,7 +548,7 @@ int blowfish_test(void)
blowfish_ecb_decrypt(tmp[0], tmp[1], &key);
/* compare */
- if ((memcmp(tmp[0], tests[x].ct, 8) != 0) || (memcmp(tmp[1], tests[x].pt, 8) != 0)) {
+ if ((XMEMCMP(tmp[0], tests[x].ct, 8) != 0) || (XMEMCMP(tmp[1], tests[x].pt, 8) != 0)) {
return CRYPT_FAIL_TESTVECTOR;
}
@@ -583,5 +590,5 @@ int blowfish_keysize(int *keysize)
/* $Source: /cvs/libtom/libtomcrypt/src/ciphers/blowfish.c,v $ */
-/* $Revision: 1.7 $ */
-/* $Date: 2005/05/05 14:35:58 $ */
+/* $Revision: 1.12 $ */
+/* $Date: 2006/11/08 23:01:06 $ */