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54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
#pragma once
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// Copyright (C) 2014 Hykem <hykem@hotmail.com>
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// Licensed under the terms of the GNU GPL, version 3
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// http://www.gnu.org/licenses/gpl-3.0.txt
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#include "util/types.hpp"
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#include <stdlib.h>
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enum { CRYPTO_MAX_PATH = 4096 };
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// Auxiliary functions (endian swap, xor, and file name).
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inline u16 swap16(u16 i)
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{
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#if defined(__GNUG__)
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return __builtin_bswap16(i);
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#else
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return _byteswap_ushort(i);
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#endif
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}
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inline u32 swap32(u32 i)
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{
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#if defined(__GNUG__)
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return __builtin_bswap32(i);
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#else
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return _byteswap_ulong(i);
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#endif
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}
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inline u64 swap64(u64 i)
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{
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#if defined(__GNUG__)
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return __builtin_bswap64(i);
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#else
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return _byteswap_uint64(i);
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#endif
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}
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char* extract_file_name(const char* file_path, char real_file_name[CRYPTO_MAX_PATH]);
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// Hex string conversion auxiliary functions.
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u64 hex_to_u64(const char* hex_str);
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void hex_to_bytes(unsigned char *data, const char *hex_str, unsigned int str_length);
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// Crypto functions (AES128-CBC, AES128-ECB, SHA1-HMAC and AES-CMAC).
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void aescbc128_decrypt(unsigned char *key, unsigned char *iv, unsigned char *in, unsigned char *out, int len);
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void aescbc128_encrypt(unsigned char *key, unsigned char *iv, unsigned char *in, unsigned char *out, int len);
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void aesecb128_encrypt(unsigned char *key, unsigned char *in, unsigned char *out);
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bool hmac_hash_compare(unsigned char *key, int key_len, unsigned char *in, int in_len, unsigned char *hash, int hash_len);
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void hmac_hash_forge(unsigned char *key, int key_len, unsigned char *in, int in_len, unsigned char *hash);
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bool cmac_hash_compare(unsigned char *key, int key_len, unsigned char *in, int in_len, unsigned char *hash, int hash_len);
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void cmac_hash_forge(unsigned char *key, int key_len, unsigned char *in, int in_len, unsigned char *hash);
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