annotate libtomcrypt/src/pk/asn1/der/boolean/der_encode_boolean.c @ 1610:96e4c9b2cc00 coverity

merge coverity
author Matt Johnston <matt@ucc.asn.au>
date Wed, 21 Mar 2018 00:52:02 +0800
parents 6dba84798cd5
children
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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_encode_boolean.c
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13 ASN.1 DER, encode a BOOLEAN, Tom St Denis
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14 */
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15
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16
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17 #ifdef LTC_DER
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18
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19 /**
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20 Store a BOOLEAN
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21 @param in The boolean to encode
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22 @param out [out] The destination for the DER encoded BOOLEAN
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23 @param outlen [in/out] The max size and resulting size of the DER BOOLEAN
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24 @return CRYPT_OK if successful
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25 */
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26 int der_encode_boolean(int in,
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27 unsigned char *out, unsigned long *outlen)
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28 {
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29 LTC_ARGCHK(outlen != NULL);
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30 LTC_ARGCHK(out != NULL);
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31
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32 if (*outlen < 3) {
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33 *outlen = 3;
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34 return CRYPT_BUFFER_OVERFLOW;
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35 }
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36
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37 *outlen = 3;
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38 out[0] = 0x01;
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39 out[1] = 0x01;
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40 out[2] = in ? 0xFF : 0x00;
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41
382
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42 return CRYPT_OK;
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43 }
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44
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45 #endif
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46
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47 /* ref: $Format:%D$ */
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48 /* git commit: $Format:%H$ */
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49 /* commit time: $Format:%ai$ */