Mercurial > dropbear

annotate libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c @ 285:1b9e69c058d2

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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 13:23:58 +0000
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children 0cbe8f6dbf9e
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285
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 *
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9 * Tom St Denis, [email protected], http://libtomcrypt.org
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10 */
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11 #include "tomcrypt.h"
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12
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13 /**
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14 @file der_length_utctime.c
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15 ASN.1 DER, get length of UTCTIME, Tom St Denis
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16 */
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17
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18 #ifdef LTC_DER
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19
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20 /**
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21 Gets length of DER encoding of UTCTIME
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22 @param outlen [out] The length of the DER encoding
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23 @return CRYPT_OK if successful
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24 */
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25 int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen)
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26 {
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27 LTC_ARGCHK(outlen != NULL);
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28 LTC_ARGCHK(utctime != NULL);
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29
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30 if (utctime->off_hh == 0 && utctime->off_mm == 0) {
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31 /* we encode as YYMMDDhhmmssZ */
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32 *outlen = 2 + 13;
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33 } else {
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34 /* we encode as YYMMDDhhmmss{+|-}hh'mm' */
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35 *outlen = 2 + 17;
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36 }
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37
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38 return CRYPT_OK;
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39 }
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41 #endif
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42
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43 /* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c,v $ */
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44 /* $Revision: 1.2 $ */
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45 /* $Date: 2005/06/19 11:23:04 $ */