Mercurial > dropbear
annotate libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c @ 1717:295377ecbf49
Add DEVELOPING.md
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 15 Jun 2020 22:30:28 +0800 |
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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 #include "tomcrypt.h" |
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10 |
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11 /** |
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12 @file der_length_utctime.c |
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13 ASN.1 DER, get length of UTCTIME, Tom St Denis |
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14 */ |
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15 |
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16 #ifdef LTC_DER |
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17 |
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18 /** |
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19 Gets length of DER encoding of UTCTIME |
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20 @param utctime The UTC time structure to get the size of |
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21 @param outlen [out] The length of the DER encoding |
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22 @return CRYPT_OK if successful |
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23 */ |
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24 int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen) |
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25 { |
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26 LTC_ARGCHK(outlen != NULL); |
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27 LTC_ARGCHK(utctime != NULL); |
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28 |
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29 if (utctime->off_hh == 0 && utctime->off_mm == 0) { |
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30 /* we encode as YYMMDDhhmmssZ */ |
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31 *outlen = 2 + 13; |
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32 } else { |
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33 /* we encode as YYMMDDhhmmss{+|-}hh'mm' */ |
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34 *outlen = 2 + 17; |
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35 } |
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36 |
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37 return CRYPT_OK; |
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38 } |
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39 |
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40 #endif |
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41 |
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42 /* ref: $Format:%D$ */ |
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43 /* git commit: $Format:%H$ */ |
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44 /* commit time: $Format:%ai$ */ |