view libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c @ 458:c1e9c81d1d27 agent-client

propagate from branch 'au.asn.ucc.matt.dropbear' (head 8a7db1e2fdc5636abb338adb636babc32f465739) to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head d82c25da2f7e4fb6da510d806c64344e80bb270d)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 16 Aug 2007 13:34:37 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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/* 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 $ */