diff src/encauth/eax/eax_encrypt.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
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/encauth/eax/eax_encrypt.c	Wed Mar 08 12:58:00 2006 +0000
@@ -0,0 +1,51 @@
+/* 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
+ */
+
+/**
+   @file eax_encrypt.c
+   EAX implementation, encrypt block by Tom St Denis 
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+   Encrypt with EAX a block of data.
+   @param eax        The EAX state
+   @param pt         The plaintext to encrypt
+   @param ct         [out] The ciphertext as encrypted
+   @param length     The length of the plaintext (octets)
+   @return CRYPT_OK if successful
+*/
+int eax_encrypt(eax_state *eax, const unsigned char *pt, unsigned char *ct, 
+                unsigned long length)
+{
+   int err;
+   
+   LTC_ARGCHK(eax != NULL);
+   LTC_ARGCHK(pt  != NULL);
+   LTC_ARGCHK(ct  != NULL);
+
+   /* encrypt */
+   if ((err = ctr_encrypt(pt, ct, length, &eax->ctr)) != CRYPT_OK) {
+      return err;
+   }
+
+   /* omac ciphertext */
+   return omac_process(&eax->ctomac, ct, length);
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_encrypt.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */