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https://github.com/Wind4/vlmcsd.git
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60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
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#ifndef __crypto_h
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#define __crypto_h
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#ifndef CONFIG
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#define CONFIG "config.h"
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#endif // CONFIG
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#include CONFIG
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#include "types.h"
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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 <errno.h>
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#include "endian.h"
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#include <stdint.h>
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//#define AES_ROUNDS (10)
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#define AES_KEY_BYTES (16) // 128 Bits
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#define AES_BLOCK_BYTES (16)
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#define AES_BLOCK_WORDS (AES_BLOCK_BYTES / sizeof(DWORD))
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#define AES_KEY_DWORDS (AES_KEY_BYTES / sizeof(DWORD))
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//#define V4_ROUNDS (11)
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#define V4_KEY_BYTES (20) // 160 Bits
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#define ROR32(v, n) ( (v) << (32 - n) | (v) >> n )
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void XorBlock(const BYTE *const in, const BYTE *out);
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void AesCmacV4(BYTE *data, size_t len, BYTE *hash);
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extern const BYTE AesKeyV5[];
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extern const BYTE AesKeyV6[];
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typedef struct {
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DWORD Key[48]; // Supports a maximum of 160 key bits!
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uint_fast8_t rounds;
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} AesCtx;
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void AesInitKey(AesCtx *Ctx, const BYTE *Key, int_fast8_t IsV6, int AesKeyBytes);
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void AesEncryptBlock(const AesCtx *const Ctx, BYTE *block);
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void AesDecryptBlock(const AesCtx *const Ctx, BYTE *block);
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void AesEncryptCbc(const AesCtx *const Ctx, BYTE *iv, BYTE *data, size_t *len);
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void AesDecryptCbc(const AesCtx *const Ctx, BYTE *iv, BYTE *data, size_t len);
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void MixColumnsR(BYTE *restrict state);
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#if defined(_CRYPTO_OPENSSL)
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#include "crypto_openssl.h"
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#elif defined(_CRYPTO_POLARSSL)
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#include "crypto_polarssl.h"
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#elif defined(_CRYPTO_WINDOWS)
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#include "crypto_windows.h"
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#else
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#include "crypto_internal.h"
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#endif
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#endif // __crypto_h
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