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55 lines
1.3 KiB
55 lines
1.3 KiB
#define LTC_SOURCE
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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#ifndef LTC_NO_FILE
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/**
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@file hash_file.c
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Hash a file, Tom St Denis
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*/
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/**
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@param hash The index of the hash desired
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@param fname The name of the file you wish to hash
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@param out [out] The destination of the digest
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@param outlen [in/out] The max size and resulting size of the message digest
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@result CRYPT_OK if successful
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*/
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int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen)
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{
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FILE *in;
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int err;
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LTC_ARGCHK(fname != NULL);
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LTC_ARGCHK(out != NULL);
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LTC_ARGCHK(outlen != NULL);
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if ((err = hash_is_valid(hash)) != CRYPT_OK) {
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return err;
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}
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in = fopen(fname, "rb");
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if (in == NULL) {
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return CRYPT_FILE_NOTFOUND;
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}
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err = hash_filehandle(hash, in, out, outlen);
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if (fclose(in) != 0) {
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return CRYPT_ERROR;
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}
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return err;
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}
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#endif /* #ifndef LTC_NO_FILE */
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/* ref: $Format:%D$ */
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/* git commit: $Format:%H$ */
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/* commit time: $Format:%ai$ */
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