Mercurial > dropbear
annotate libtomcrypt/src/hashes/helper/hash_file.c @ 1303:eed9376a4ad6
improve algorithm list parsing
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 11 Jul 2016 22:40:38 +0800 |
parents | eef377591301 |
children | f849a5ca2efc |
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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.com |
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10 */ |
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11 #include "tomcrypt.h" |
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12 |
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13 /** |
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14 @file hash_file.c |
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15 Hash a file, Tom St Denis |
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16 */ |
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17 |
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18 /** |
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19 @param hash The index of the hash desired |
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20 @param fname The name of the file you wish to hash |
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21 @param out [out] The destination of the digest |
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22 @param outlen [in/out] The max size and resulting size of the message digest |
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23 @result CRYPT_OK if successful |
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24 */ |
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25 int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen) |
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26 { |
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27 #ifdef LTC_NO_FILE |
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28 (void)hash; (void)fname; (void)out; (void)outlen; |
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29 return CRYPT_NOP; |
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30 #else |
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31 FILE *in; |
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32 int err; |
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33 LTC_ARGCHK(fname != NULL); |
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34 LTC_ARGCHK(out != NULL); |
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35 LTC_ARGCHK(outlen != NULL); |
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36 |
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37 if ((err = hash_is_valid(hash)) != CRYPT_OK) { |
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38 return err; |
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39 } |
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40 |
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41 in = fopen(fname, "rb"); |
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42 if (in == NULL) { |
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43 return CRYPT_FILE_NOTFOUND; |
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44 } |
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45 |
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46 err = hash_filehandle(hash, in, out, outlen); |
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47 if (fclose(in) != 0) { |
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48 return CRYPT_ERROR; |
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49 } |
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50 |
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51 return err; |
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52 #endif |
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53 } |
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54 |
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55 |
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56 /* $Source: /cvs/libtom/libtomcrypt/src/hashes/helper/hash_file.c,v $ */ |
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57 /* $Revision: 1.4 $ */ |
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58 /* $Date: 2006/03/31 14:15:35 $ */ |