annotate hash_file.c @ 3:7faae8f46238 libtomcrypt-orig

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author Matt Johnston <matt@ucc.asn.au>
date Mon, 31 May 2004 18:25:41 +0000
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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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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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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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38 return err;
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39 #endif
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40 }
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