diff libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c @ 399:a707e6148060

merge of '5fdf69ca60d1683cdd9f4c2595134bed26394834' and '6b61c50f4cf888bea302ac8fcf5dbb573b443251'
author Matt Johnston <matt@ucc.asn.au>
date Sat, 03 Feb 2007 08:20:34 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c	Sat Feb 03 08:20:34 2007 +0000
@@ -0,0 +1,46 @@
+/* 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 der_length_utctime.c
+  ASN.1 DER, get length of UTCTIME, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+  Gets length of DER encoding of UTCTIME
+  @param utctime      The UTC time structure to get the size of
+  @param outlen [out] The length of the DER encoding
+  @return CRYPT_OK if successful
+*/
+int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen)
+{
+   LTC_ARGCHK(outlen  != NULL);
+   LTC_ARGCHK(utctime != NULL);
+
+   if (utctime->off_hh == 0 && utctime->off_mm == 0) {
+      /* we encode as YYMMDDhhmmssZ */
+      *outlen = 2 + 13;
+   } else {
+      /* we encode as YYMMDDhhmmss{+|-}hh'mm' */
+      *outlen = 2 + 17;
+   }
+
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/03/31 14:15:35 $ */