Mercurial > dropbear

annotate libtomcrypt/src/hashes/helper/hash_file.c @ 1721:4877afd51e04

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Added tag DROPBEAR_2020.79 for changeset e2e4929d057b
author Matt Johnston <matt@ucc.asn.au>
date Mon, 15 Jun 2020 23:51:39 +0800
parents 1ff2a1034c52
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 #ifndef LTC_NO_FILE
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12 /**
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13 @file hash_file.c
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14 Hash a file, Tom St Denis
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15 */
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17 /**
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18 @param hash The index of the hash desired
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19 @param fname The name of the file you wish to hash
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20 @param out [out] The destination of the digest
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21 @param outlen [in/out] The max size and resulting size of the message digest
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22 @result CRYPT_OK if successful
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23 */
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24 int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen)
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25 {
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26 FILE *in;
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27 int err;
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28 LTC_ARGCHK(fname != NULL);
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29 LTC_ARGCHK(out != NULL);
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30 LTC_ARGCHK(outlen != NULL);
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32 if ((err = hash_is_valid(hash)) != CRYPT_OK) {
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33 return err;
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34 }
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36 in = fopen(fname, "rb");
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37 if (in == NULL) {
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38 return CRYPT_FILE_NOTFOUND;
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39 }
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41 err = hash_filehandle(hash, in, out, outlen);
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42 if (fclose(in) != 0) {
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43 return CRYPT_ERROR;
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44 }
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46 return err;
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47 }
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48 #endif /* #ifndef LTC_NO_FILE */
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50
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51 /* ref: $Format:%D$ */
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52 /* git commit: $Format:%H$ */
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53 /* commit time: $Format:%ai$ */