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authorMatt Johnston <matt@ucc.asn.au>2007-02-03 08:20:34 +0000
committerMatt Johnston <matt@ucc.asn.au>2007-02-03 08:20:34 +0000
commitd9aeb2773e236e662c8b493f4bcee978f9908d7c (patch)
treebac48e388bf3ac739ae14cdf98da0eb4bb9d17bf /libtomcrypt/src/modes/ecb/ecb_encrypt.c
parent056b92bd4c8a42ce1843493310d382159166edb8 (diff)
parentc5fd7dd5548f28e32d846e39d17e5c4de4e769af (diff)
merge of '5fdf69ca60d1683cdd9f4c2595134bed26394834'
and '6b61c50f4cf888bea302ac8fcf5dbb573b443251' --HG-- extra : convert_revision : b1dd3b94e60a07a176dba2b035ac79968595990a
Diffstat (limited to 'libtomcrypt/src/modes/ecb/ecb_encrypt.c')
-rw-r--r--libtomcrypt/src/modes/ecb/ecb_encrypt.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/libtomcrypt/src/modes/ecb/ecb_encrypt.c b/libtomcrypt/src/modes/ecb/ecb_encrypt.c
new file mode 100644
index 0000000..f6910c6
--- /dev/null
+++ b/libtomcrypt/src/modes/ecb/ecb_encrypt.c
@@ -0,0 +1,61 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+ @file ecb_encrypt.c
+ ECB implementation, encrypt a block, Tom St Denis
+*/
+
+#ifdef LTC_ECB_MODE
+
+/**
+ ECB encrypt
+ @param pt Plaintext
+ @param ct [out] Ciphertext
+ @param len The number of octets to process (must be multiple of the cipher block size)
+ @param ecb ECB state
+ @return CRYPT_OK if successful
+*/
+int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb)
+{
+ int err;
+ LTC_ARGCHK(pt != NULL);
+ LTC_ARGCHK(ct != NULL);
+ LTC_ARGCHK(ecb != NULL);
+ if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) {
+ return err;
+ }
+ if (len % cipher_descriptor[ecb->cipher].block_length) {
+ return CRYPT_INVALID_ARG;
+ }
+
+ /* check for accel */
+ if (cipher_descriptor[ecb->cipher].accel_ecb_encrypt != NULL) {
+ return cipher_descriptor[ecb->cipher].accel_ecb_encrypt(pt, ct, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
+ } else {
+ while (len) {
+ if ((err = cipher_descriptor[ecb->cipher].ecb_encrypt(pt, ct, &ecb->key)) != CRYPT_OK) {
+ return err;
+ }
+ pt += cipher_descriptor[ecb->cipher].block_length;
+ ct += cipher_descriptor[ecb->cipher].block_length;
+ len -= cipher_descriptor[ecb->cipher].block_length;
+ }
+ }
+ return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_encrypt.c,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2006/06/29 01:51:34 $ */