--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/misc/crypt/crypt_find_cipher_id.c	Wed Mar 08 13:23:58 2006 +0000
@@ -0,0 +1,40 @@
+/* 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_id.c
+  Find cipher by ID, Tom St Denis
+*/
+
+/**
+   Find a cipher by ID number
+   @param ID    The ID (not same as index) of the cipher to find
+   @return >= 0 if found, -1 if not present
+*/
+int find_cipher_id(unsigned char ID)
+{
+   int x;
+   LTC_MUTEX_LOCK(&ltc_cipher_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (cipher_descriptor[x].ID == ID) {
+          x = (cipher_descriptor[x].name == NULL) ? -1 : x;
+          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_id.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2005/06/19 18:00:28 $ */