merge of 'a9b0496634cdd25647b65e585cc3240f3fa699ee'

     and 'c22be8b8f570b48e9662dac32c7b3e7148a42206'

--HG--
extra : convert_revision : 066f6aef2791d54b9ec6a0c3033fd28fa946251f

1 files changed, 46 insertions, 0 deletions

diff --git a/libtomcrypt/src/modes/f8/f8_getiv.c b/libtomcrypt/src/modes/f8/f8_getiv.c
new file mode 100644
index 0000000..2c5d92f
--- /dev/null
+++ b/libtomcrypt/src/modes/f8/f8_getiv.c
@@ -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, tomstdenis@gmail.com, http://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file ofb_getiv.c
+   F8 implementation, get IV, Tom St Denis
+*/
+
+#ifdef LTC_F8_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 f8   The F8 state
+   @return CRYPT_OK if successful
+*/
+int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8)
+{
+   LTC_ARGCHK(IV  != NULL);
+   LTC_ARGCHK(len != NULL);
+   LTC_ARGCHK(f8  != NULL);
+   if ((unsigned long)f8->blocklen > *len) {
+      *len = f8->blocklen;
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+   XMEMCPY(IV, f8->IV, f8->blocklen);
+   *len = f8->blocklen;
+
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_getiv.c,v $ */
+/* $Revision: 1.2 $ */
+/* $Date: 2006/06/16 22:49:25 $ */