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45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* 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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#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 utctime The UTC time structure to get the size of
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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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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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