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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FDRM_CRYPTO_FX_CRYPT_H_
#define CORE_FDRM_CRYPTO_FX_CRYPT_H_
#include "core/fxcrt/fx_system.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int32_t x;
int32_t y;
int32_t m[256];
} CRYPT_rc4_context;
typedef struct {
uint32_t total[2];
uint32_t state[4];
uint8_t buffer[64];
} CRYPT_md5_context;
typedef struct {
unsigned int h[5];
unsigned char block[64];
int blkused;
unsigned int lenhi;
unsigned int lenlo;
} CRYPT_sha1_context;
typedef struct {
uint32_t total[2];
uint32_t state[8];
uint8_t buffer[64];
} CRYPT_sha256_context;
typedef struct {
uint64_t total[2];
uint64_t state[8];
uint8_t buffer[128];
} CRYPT_sha384_context;
void CRYPT_ArcFourCryptBlock(uint8_t* data,
uint32_t size,
const uint8_t* key,
uint32_t keylen);
void CRYPT_ArcFourSetup(CRYPT_rc4_context* context,
const uint8_t* key,
uint32_t length);
void CRYPT_ArcFourCrypt(CRYPT_rc4_context* context,
uint8_t* data,
uint32_t size);
void CRYPT_AESSetKey(void* context,
uint32_t blocklen,
const uint8_t* key,
uint32_t keylen,
bool bEncrypt);
void CRYPT_AESSetIV(void* context, const uint8_t* iv);
void CRYPT_AESDecrypt(void* context,
uint8_t* dest,
const uint8_t* src,
uint32_t size);
void CRYPT_AESEncrypt(void* context,
uint8_t* dest,
const uint8_t* src,
uint32_t size);
void CRYPT_MD5Start(CRYPT_md5_context* context);
void CRYPT_MD5Update(CRYPT_md5_context* context,
const uint8_t* data,
uint32_t size);
void CRYPT_MD5Finish(CRYPT_md5_context* context, uint8_t digest[16]);
void CRYPT_MD5Generate(const uint8_t* data, uint32_t size, uint8_t digest[16]);
void CRYPT_SHA1Start(CRYPT_sha1_context* context);
void CRYPT_SHA1Update(CRYPT_sha1_context* context,
const uint8_t* data,
uint32_t size);
void CRYPT_SHA1Finish(CRYPT_sha1_context* context, uint8_t digest[20]);
void CRYPT_SHA1Generate(const uint8_t* data, uint32_t size, uint8_t digest[20]);
void CRYPT_SHA256Start(CRYPT_sha256_context* context);
void CRYPT_SHA256Update(CRYPT_sha256_context* context,
const uint8_t* data,
uint32_t size);
void CRYPT_SHA256Finish(CRYPT_sha256_context* context, uint8_t digest[32]);
void CRYPT_SHA256Generate(const uint8_t* data,
uint32_t size,
uint8_t digest[32]);
void CRYPT_SHA384Start(CRYPT_sha384_context* context);
void CRYPT_SHA384Update(CRYPT_sha384_context* context,
const uint8_t* data,
uint32_t size);
void CRYPT_SHA384Finish(CRYPT_sha384_context* context, uint8_t digest[48]);
void CRYPT_SHA384Generate(const uint8_t* data,
uint32_t size,
uint8_t digest[48]);
void CRYPT_SHA512Start(void* context);
void CRYPT_SHA512Update(void* context, const uint8_t* data, uint32_t size);
void CRYPT_SHA512Finish(void* context, uint8_t digest[64]);
void CRYPT_SHA512Generate(const uint8_t* data,
uint32_t size,
uint8_t digest[64]);
#ifdef __cplusplus
};
#endif
#endif // CORE_FDRM_CRYPTO_FX_CRYPT_H_