--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/misc/crypt/crypt_find_cipher_any.c	Wed Mar 08 13:23:58 2006 +0000
@@ -0,0 +1,50 @@
+/* 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_find_cipher_any.c
+  Find a cipher in the descriptor tables, Tom St Denis
+*/
+
+/**
+   Find a cipher flexibly.  First by name then if not present by block and key size 
+   @param name        The name of the cipher desired
+   @param blocklen    The minimum length of the block cipher desired (octets)
+   @param keylen      The minimum length of the key size desired (octets)
+   @return >= 0 if found, -1 if not present
+*/
+int find_cipher_any(const char *name, int blocklen, int keylen)
+{
+   int x;
+
+   LTC_ARGCHK(name != NULL);
+
+   x = find_cipher(name);
+   if (x != -1) return x;
+
+   LTC_MUTEX_LOCK(&ltc_cipher_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (cipher_descriptor[x].name == NULL) {
+          continue;
+       }
+       if (blocklen <= (int)cipher_descriptor[x].block_length && keylen <= (int)cipher_descriptor[x].max_key_length) {
+          LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+          return x;
+       }
+   }
+   LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+   return -1;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_cipher_any.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2005/06/19 18:00:28 $ */