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37 lines
731 B
C
37 lines
731 B
C
5 years ago
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "gcrypt.h"
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#include <inttypes.h>
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#ifndef mycryptwrapper_
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#define mycryptwrapper_
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#define NEED_LIBGCRYPT_VERSION "1.6.5" //should be 1.8.5 but my libgcrypt as mismatched versions :(
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#define algo GCRY_MD_SHA256
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#define cipher GCRY_CIPHER_DES
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int HASH_SIZE;
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/**
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* initializes gcrypt
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*/
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void mycryptwrapper_init();
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/**
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* prints binary data into HEX format. Nice for debugging hash calculations
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*/
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void mycryptwrapper_print();
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/**
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* checks if sha256 at the end of file matches the front
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* @param fptr file pointer must be opned in rb mode
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* @return 0 if true, else 1 , and 2 for errors
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*/
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int check_sha256_tag(uint8_t * ptr, size_t file_len);
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#endif
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