diff src/pk/asn1/der/utctime/der_length_utctime.c @ 209:39d5d58461d6 libtomcrypt-orig LTC_1.05

Import of libtomcrypt 1.05
author Matt Johnston <matt@ucc.asn.au>
date Wed, 06 Jul 2005 03:53:40 +0000
parents
children d5faf4814ddb
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pk/asn1/der/utctime/der_length_utctime.c	Wed Jul 06 03:53:40 2005 +0000
@@ -0,0 +1,45 @@
+/* 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 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 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: 1.2 $ */
+/* $Date: 2005/06/19 11:23:04 $ */