kicad/libs/kimath/include/md5_hash.h

57 lines
1.2 KiB
C++

// Code by: B-Con (http://b-con.us)
// Released under the GNU GPL
// MD5 Hash Digest implementation (little endian byte order)
#ifndef __MD5_HASH_H
#define __MD5_HASH_H
#include <cstdint>
#include <string>
class MD5_HASH
{
public:
MD5_HASH();
MD5_HASH( const MD5_HASH& aOther );
~MD5_HASH();
void Init();
void Hash ( uint8_t *data, uint32_t length );
void Hash ( int value );
void Finalize();
bool IsValid() const { return m_valid; };
void SetValid( bool aValid ) { m_valid = aValid; }
MD5_HASH& operator=( const MD5_HASH& aOther );
bool operator==( const MD5_HASH& aOther ) const;
bool operator!=( const MD5_HASH& aOther ) const;
/** @return Build a hexadecimal string from the 16 bytes of MD5_HASH
* Mainly for debug purposes.
*/
std::string Format();
private:
struct MD5_CTX {
uint8_t data[64];
uint32_t datalen;
uint32_t bitlen[2];
uint32_t state[4];
};
void md5_transform(MD5_CTX *ctx, uint8_t data[]);
void md5_init(MD5_CTX *ctx);
void md5_update(MD5_CTX *ctx, uint8_t data[], uint32_t len);
void md5_final(MD5_CTX *ctx, uint8_t hash[]);
bool m_valid;
MD5_CTX m_ctx;
uint8_t m_hash[16];
};
#endif