diff libtomcrypt/src/misc/crypt/crypt_find_hash_id.c @ 285:1b9e69c058d2

propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 13:23:58 +0000
parents
children 0cbe8f6dbf9e
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/misc/crypt/crypt_find_hash_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_hash_id.c
+  Find hash by ID, Tom St Denis
+*/
+
+/**
+   Find a hash by ID number
+   @param ID    The ID (not same as index) of the hash to find
+   @return >= 0 if found, -1 if not present
+*/
+int find_hash_id(unsigned char ID)
+{
+   int x;
+   LTC_MUTEX_LOCK(&ltc_hash_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+      if (hash_descriptor[x].ID == ID) {
+          x = (hash_descriptor[x].name == NULL) ? -1 : x;
+          LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+          return x;
+      }
+   }
+   LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+   return -1;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_hash_id.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2005/06/19 18:03:25 $ */