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authorMatt Johnston <matt@ucc.asn.au>2007-02-03 08:20:30 +0000
committerMatt Johnston <matt@ucc.asn.au>2007-02-03 08:20:30 +0000
commitc5fd7dd5548f28e32d846e39d17e5c4de4e769af (patch)
tree81b522e272facfb27ff614936b4988bf6569ef2d /libtomcrypt/src/ciphers/skipjack.c
parent5092e30605dfc5c45990d91cf606990e5c768255 (diff)
parent4a5208512ba02f735acbf7e948ed02353583581e (diff)
merge of '1250b8af44b62d8f4fe0f8d9fc7e7a1cc34e7e1c'
and '7f8670ac3bb975f40967f3979d09d2199b7e90c8' --HG-- extra : convert_revision : 6b61c50f4cf888bea302ac8fcf5dbb573b443251
Diffstat (limited to 'libtomcrypt/src/ciphers/skipjack.c')
-rw-r--r--libtomcrypt/src/ciphers/skipjack.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/libtomcrypt/src/ciphers/skipjack.c b/libtomcrypt/src/ciphers/skipjack.c
index 4cb3bf2..3e0b576 100644
--- a/libtomcrypt/src/ciphers/skipjack.c
+++ b/libtomcrypt/src/ciphers/skipjack.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 skipjack_desc =
&skipjack_test,
&skipjack_done,
&skipjack_keysize,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
static const unsigned char sbox[256] = {
@@ -138,11 +138,12 @@ static unsigned ig_func(unsigned w, int *kp, unsigned char *key)
@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 _skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+static int _skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
#else
-void skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
#endif
{
unsigned w1,w2,w3,w4,tmp,tmp1;
@@ -183,13 +184,16 @@ void skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_
ct[2] = (w2>>8)&255; ct[3] = w2&255;
ct[4] = (w3>>8)&255; ct[5] = w3&255;
ct[6] = (w4>>8)&255; ct[7] = w4&255;
+
+ return CRYPT_OK;
}
#ifdef LTC_CLEAN_STACK
-void skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
{
- _skipjack_ecb_encrypt(pt, ct, skey);
+ int err = _skipjack_ecb_encrypt(pt, ct, skey);
burn_stack(sizeof(unsigned) * 8 + sizeof(int) * 2);
+ return err;
}
#endif
@@ -198,11 +202,12 @@ void skipjack_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 _skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+static int _skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
#else
-void skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
#endif
{
unsigned w1,w2,w3,w4,tmp;
@@ -247,13 +252,16 @@ void skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_
pt[2] = (w2>>8)&255; pt[3] = w2&255;
pt[4] = (w3>>8)&255; pt[5] = w3&255;
pt[6] = (w4>>8)&255; pt[7] = w4&255;
+
+ return CRYPT_OK;
}
#ifdef LTC_CLEAN_STACK
-void skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
{
- _skipjack_ecb_decrypt(ct, pt, skey);
+ int err = _skipjack_ecb_decrypt(ct, pt, skey);
burn_stack(sizeof(unsigned) * 7 + sizeof(int) * 2);
+ return err;
}
#endif
@@ -290,7 +298,7 @@ int skipjack_test(void)
skipjack_ecb_decrypt(buf[0], buf[1], &key);
/* compare */
- if (memcmp(buf[0], tests[x].ct, 8) != 0 || memcmp(buf[1], tests[x].pt, 8) != 0) {
+ if (XMEMCMP(buf[0], tests[x].ct, 8) != 0 || XMEMCMP(buf[1], tests[x].pt, 8) != 0) {
return CRYPT_FAIL_TESTVECTOR;
}
@@ -331,5 +339,5 @@ int skipjack_keysize(int *keysize)
#endif
/* $Source: /cvs/libtom/libtomcrypt/src/ciphers/skipjack.c,v $ */
-/* $Revision: 1.7 $ */
-/* $Date: 2005/05/05 14:35:58 $ */
+/* $Revision: 1.12 $ */
+/* $Date: 2006/11/08 23:01:06 $ */