--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/misc/crypt/crypt_cipher_is_valid.c	Fri May 06 13:23:02 2005 +0000
@@ -0,0 +1,29 @@
+/* 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 crypt_cipher_is_valid.c
+  Determine if cipher is valid, Tom St Denis
+*/
+
+/*
+   Test if a cipher index is valid
+   @param idx   The index of the cipher to search for
+   @return CRYPT_OK if valid
+*/
+int cipher_is_valid(int idx)
+{
+   if (idx < 0 || idx >= TAB_SIZE || cipher_descriptor[idx].name == NULL) {
+      return CRYPT_INVALID_CIPHER;
+   }
+   return CRYPT_OK;
+}