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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 * Tom St Denis, [email protected], http://libtomcrypt.org |
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10 */ |
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11 #include "mycrypt.h" |
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12 |
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13 int hash_file(int hash, const char *fname, unsigned char *dst, unsigned long *outlen) |
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14 { |
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15 #ifdef NO_FILE |
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16 return CRYPT_NOP; |
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17 #else |
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18 FILE *in; |
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19 int err; |
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20 _ARGCHK(fname != NULL); |
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21 _ARGCHK(dst != NULL); |
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22 _ARGCHK(outlen != NULL); |
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23 |
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24 if ((err = hash_is_valid(hash)) != CRYPT_OK) { |
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25 return err; |
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26 } |
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27 |
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28 in = fopen(fname, "rb"); |
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29 if (in == NULL) { |
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30 return CRYPT_FILE_NOTFOUND; |
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31 } |
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32 |
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33 err = hash_filehandle(hash, in, dst, outlen); |
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34 if (fclose(in) != 0) { |
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35 return CRYPT_ERROR; |
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36 } |
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37 |
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38 return err; |
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39 #endif |
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40 } |
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41 |
