--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/modes/cfb/cfb_getiv.c	Thu Jan 11 04:29:08 2007 +0000
@@ -0,0 +1,46 @@
+/* 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.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file cfb_getiv.c
+   CFB implementation, get IV, Tom St Denis
+*/
+
+#ifdef LTC_CFB_MODE
+
+/**
+   Get the current initial vector
+   @param IV   [out] The destination of the initial vector
+   @param len  [in/out]  The max size and resulting size of the initial vector
+   @param cfb  The CFB state
+   @return CRYPT_OK if successful
+*/
+int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb)
+{
+   LTC_ARGCHK(IV  != NULL);
+   LTC_ARGCHK(len != NULL);
+   LTC_ARGCHK(cfb != NULL);
+   if ((unsigned long)cfb->blocklen > *len) {
+      *len = cfb->blocklen;
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+   XMEMCPY(IV, cfb->IV, cfb->blocklen);
+   *len = cfb->blocklen;
+
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_getiv.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:51:34 $ */