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-rw-r--r--libtomcrypt/src/modes/ecb/ecb_start.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/libtomcrypt/src/modes/ecb/ecb_start.c b/libtomcrypt/src/modes/ecb/ecb_start.c
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+++ b/libtomcrypt/src/modes/ecb/ecb_start.c
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+/* 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.org
+ */
+#include "tomcrypt.h"
+
+/**
+ @file ecb_start.c
+ ECB implementation, start chain, Tom St Denis
+*/
+
+
+#ifdef ECB
+
+/**
+ Initialize a ECB context
+ @param cipher The index of the cipher desired
+ @param key The secret key
+ @param keylen The length of the secret key (octets)
+ @param num_rounds Number of rounds in the cipher desired (0 for default)
+ @param ecb The ECB state to initialize
+ @return CRYPT_OK if successful
+*/
+int ecb_start(int cipher, const unsigned char *key, int keylen, int num_rounds, symmetric_ECB *ecb)
+{
+ int err;
+ LTC_ARGCHK(key != NULL);
+ LTC_ARGCHK(ecb != NULL);
+
+ if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
+ return err;
+ }
+ ecb->cipher = cipher;
+ ecb->blocklen = cipher_descriptor[cipher].block_length;
+ return cipher_descriptor[cipher].setup(key, keylen, num_rounds, &ecb->key);
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_start.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:59 $ */