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Viewing changes to libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c

  • Committer: Bazaar Package Importer
  • Author(s): Matt Johnston
  • Date: 2005-12-08 19:20:21 UTC
  • mfrom: (1.2.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20051208192021-nyp9rwnt77nsg6ty
Tags: 0.47-1
* New upstream release.
* SECURITY: Fix incorrect buffer sizing.

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libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c
 
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 
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 *
 
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 * LibTomCrypt is a library that provides various cryptographic
 
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 * algorithms in a highly modular and flexible manner.
 
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 *
 
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 * The library is free for all purposes without any express
 
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 * guarantee it works.
 
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 *
 
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 * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
 
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 */
 
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#include "tomcrypt.h"
 
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/**
 
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  @file der_length_utctime.c
 
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  ASN.1 DER, get length of UTCTIME, Tom St Denis
 
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*/
 
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#ifdef LTC_DER
 
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/**
 
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  Gets length of DER encoding of UTCTIME
 
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  @param outlen [out] The length of the DER encoding
 
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  @return CRYPT_OK if successful
 
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*/
 
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int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen)
 
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{
 
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   LTC_ARGCHK(outlen  != NULL);
 
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   LTC_ARGCHK(utctime != NULL);
 
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   if (utctime->off_hh == 0 && utctime->off_mm == 0) {
 
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      /* we encode as YYMMDDhhmmssZ */
 
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      *outlen = 2 + 13;
 
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   } else {
 
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      /* we encode as YYMMDDhhmmss{+|-}hh'mm' */
 
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      *outlen = 2 + 17;
 
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   }
 
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   return CRYPT_OK;
 
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}
 
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#endif
 
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/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c,v $ */
 
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/* $Revision: 1.2 $ */
 
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/* $Date: 2005/06/19 11:23:04 $ */