diff cbc_getiv.c @ 15:6362d3854bb4 libtomcrypt-orig

0.96 release of LibTomCrypt
author Matt Johnston <matt@ucc.asn.au>
date Tue, 15 Jun 2004 14:07:21 +0000
parents
children 5d99163f7e32
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbc_getiv.c	Tue Jun 15 14:07:21 2004 +0000
@@ -0,0 +1,30 @@
+/* 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 "mycrypt.h"
+
+#ifdef CBC
+
+int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc)
+{
+   _ARGCHK(IV  != NULL);
+   _ARGCHK(len != NULL);
+   _ARGCHK(cbc != NULL);
+   if ((unsigned long)cbc->blocklen > *len) {
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+   memcpy(IV, cbc->IV, cbc->blocklen);
+   *len = cbc->blocklen;
+
+   return CRYPT_OK;
+}
+
+#endif