diff src/modes/ctr/ctr_decrypt.c @ 280:59400faa4b44 libtomcrypt-orig libtomcrypt-1.05

Re-import libtomcrypt 1.05 for cleaner propagating. From crypt-1.05.tar.bz2, SHA1 of 88250202bb51570dc64f7e8f1c943cda9479258f
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 12:58:00 +0000
parents
children d5faf4814ddb
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/modes/ctr/ctr_decrypt.c	Wed Mar 08 12:58:00 2006 +0000
@@ -0,0 +1,42 @@
+/* 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, [email protected], http://libtomcrypt.org
+ */
+#include "tomcrypt.h"
+
+/**
+  @file ctr_decrypt.c
+  CTR implementation, decrypt data, Tom St Denis
+*/
+
+#ifdef CTR
+
+/**
+   CTR decrypt
+   @param ct      Ciphertext
+   @param pt      [out] Plaintext
+   @param len     Length of ciphertext (octets)
+   @param ctr     CTR state
+   @return CRYPT_OK if successful
+*/
+int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr)
+{
+   LTC_ARGCHK(pt != NULL);
+   LTC_ARGCHK(ct != NULL);
+   LTC_ARGCHK(ctr != NULL);
+
+   return ctr_encrypt(ct, pt, len, ctr);
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_decrypt.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:59 $ */