#pragma once
// 下列 ifdef 块是创建使从 DLL 导出更简单的
// 宏的标准方法。此 DLL 中的所有文件都是用命令行上定义的 CRC64_EXPORTS
// 符号编译的。在使用此 DLL 的
// 任何其他项目上不应定义此符号。这样，源文件中包含此文件的任何其他项目都会将
// CRC64_API 函数视为是从 DLL 导入的，而此 DLL 则将用此宏定义的
// 符号视为是被导出的。
#ifndef CRC64_EXPORTS
#ifdef _WIN64
#ifdef _DEBUG
#pragma comment(lib, "Crc64X64D.lib")
#else
#pragma comment(lib, "Crc64X64.lib")
#endif
#else
#ifdef _DEBUG
#pragma comment(lib, "Crc64D.lib")
#else
#pragma comment(lib, "Crc64.lib")
#endif
#endif
#endif

#ifdef CRC64_EXPORTS
#define CRC64_API __declspec(dllexport)
#define CRC64_C_API extern "C" __declspec(dllexport)
#else
#define CRC64_API __declspec(dllimport)
#define CRC64_C_API extern "C" __declspec(dllimport)
#endif

// 此类是从 Crc64.dll 导出的
class CCrc64 {
public:
	CCrc64(void);
	// TODO:  在此添加您的方法。
};

class CCrc32 {
public:
	CCrc32(void);
	// TODO:  在此添加您的方法。
};


CRC64_C_API UINT64 GetCrc64(const char *pSrc, DWORD size);
CRC64_API int GetCrc32(const char *pSrc, size_t size);

CRC64_API unsigned short CRC16(const unsigned char* pDataIn, size_t iLenIn);


/* PROTOTYPES should be set to one if and only if the compiler supports
function argument prototyping.
The following makes PROTOTYPES default to 0 if it has not already
been defined with C compiler flags.
*/

#ifndef PROTOTYPES
#define PROTOTYPES 0
#endif

/* POINTER defines a generic pointer type */
typedef unsigned char *POINTER;

/* UINT2 defines a two byte word */
typedef unsigned short int UINT2;

/* UINT4 defines a four byte word */
typedef unsigned long int UINT4;

/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
returns an empty list.
*/
#if PROTOTYPES
#define PROTO_LIST(list) list
#else
#define PROTO_LIST(list) ()
#endif

/* MD5 context. */
typedef struct _MD5_CTX{
	UINT4 state[4];          /* state (ABCD) */
	UINT4 count[2];          /* number of bits, modulo 2^64 (lsb first) */
	unsigned char buffer[64];/* input buffer */
} MD5_CTX;

CRC64_C_API void MD5Init(MD5_CTX *);
CRC64_C_API void MD5Update(MD5_CTX *, unsigned char *, unsigned int);
CRC64_C_API void MD5Final(unsigned char[16], MD5_CTX *);

/* extended function */
CRC64_C_API int  MDFile(char *filename, char *digest);
CRC64_C_API void MDPrint(unsigned char digest[16]);
CRC64_C_API void MDString(const char *str, unsigned char *digest);
CRC64_C_API void MDData(char *data, int len, unsigned char *digest);