Mercurial > dropbear

diff src/misc/crypt/crypt_find_hash_oid.c @ 380:d5faf4814ddb libtomcrypt-orig libtomcrypt-1.16
Update to LibTomCrypt 1.16
author: Matt Johnston <matt@ucc.asn.au>
date: Thu, 11 Jan 2007 02:22:00 +0000
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/misc/crypt/crypt_find_hash_oid.c	Thu Jan 11 02:22:00 2007 +0000
@@ -0,0 +1,35 @@
+/* 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.com
+ */
+#include "tomcrypt.h"
+
+/**
+  @file crypt_find_hash_oid.c
+  Find a hash, Tom St Denis
+*/
+
+int find_hash_oid(const unsigned long *ID, unsigned long IDlen)
+{
+   int x;
+   LTC_ARGCHK(ID != NULL);
+   LTC_MUTEX_LOCK(&ltc_hash_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (hash_descriptor[x].name != NULL && hash_descriptor[x].OIDlen == IDlen && !XMEMCMP(hash_descriptor[x].OID, ID, sizeof(unsigned long) * IDlen)) {
+          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_oid.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/11/01 09:28:17 $ */