Mercurial > dropbear
annotate libtomcrypt/src/hashes/helper/hash_file.c @ 1583:d17a6bab2179
travis fuzz build clang++
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 04 Mar 2018 17:17:37 +0800 |
parents | 6dba84798cd5 |
children | 1ff2a1034c52 |
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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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16 |
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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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31 |
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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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35 |
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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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40 |
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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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45 |
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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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49 |
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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: $Format:%ai$ */ |