Mercurial > dropbear
diff src/pk/asn1/der/utctime/der_length_utctime.c @ 210:4768b55c5240 libtomcrypt
propagate from branch 'au.asn.ucc.matt.ltc-orig' (head 33c416b902f1a44913d825bae7ad9a160f703ed3)
to branch 'au.asn.ucc.matt.dropbear.ltc' (head 4d6aec6e6121e13f68c11c149b6579c41cb63e74)
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Wed, 06 Jul 2005 12:10:23 +0000 |
parents | 39d5d58461d6 |
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 12:10:23 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 $ */