[pcsx_rearmed.git] / deps / crypto / blowfish.h

/*********************************************************************
* Filename:   blowfish.h
* Author:     Brad Conte (brad AT bradconte.com)
* Copyright:
* Disclaimer: This code is presented "as is" without any guarantees.
* Details:    Defines the API for the corresponding Blowfish implementation.
*********************************************************************/

#ifndef BLOWFISH_H
#define BLOWFISH_H

/*************************** HEADER FILES ***************************/
#include <stddef.h>

/****************************** MACROS ******************************/
#define BLOWFISH_BLOCK_SIZE 8           // Blowfish operates on 8 bytes at a time

/**************************** DATA TYPES ****************************/
typedef unsigned char BYTE;             // 8-bit byte
typedef unsigned int  WORD;             // 32-bit word, change to "long" for 16-bit machines

typedef struct {
   WORD p[18];
   WORD s[4][256];
} BLOWFISH_KEY;

/*********************** FUNCTION DECLARATIONS **********************/
void blowfish_key_setup(const BYTE user_key[], BLOWFISH_KEY *keystruct, size_t len);
void blowfish_encrypt(const BYTE in[], BYTE out[], const BLOWFISH_KEY *keystruct);
void blowfish_decrypt(const BYTE in[], BYTE out[], const BLOWFISH_KEY *keystruct);

#endif   // BLOWFISH_H
Commit	Line	Data
ce188d4d	1	/*********************************************************************
	2	* Filename: blowfish.h
	3	* Author: Brad Conte (brad AT bradconte.com)
	4	* Copyright:
	5	* Disclaimer: This code is presented "as is" without any guarantees.
	6	* Details: Defines the API for the corresponding Blowfish implementation.
	7	*********************************************************************/
	8
	9	#ifndef BLOWFISH_H
	10	#define BLOWFISH_H
	11
	12	/************************* HEADER FILES *************************/
	13	#include <stddef.h>
	14
	15	/**************************** MACROS ****************************/
	16	#define BLOWFISH_BLOCK_SIZE 8 // Blowfish operates on 8 bytes at a time
	17
	18	/************************** DATA TYPES **************************/
	19	typedef unsigned char BYTE; // 8-bit byte
	20	typedef unsigned int WORD; // 32-bit word, change to "long" for 16-bit machines
	21
	22	typedef struct {
	23	WORD p[18];
	24	WORD s[4][256];
	25	} BLOWFISH_KEY;
	26
	27	/********************* FUNCTION DECLARATIONS ********************/
	28	void blowfish_key_setup(const BYTE user_key[], BLOWFISH_KEY *keystruct, size_t len);
	29	void blowfish_encrypt(const BYTE in[], BYTE out[], const BLOWFISH_KEY *keystruct);
	30	void blowfish_decrypt(const BYTE in[], BYTE out[], const BLOWFISH_KEY *keystruct);
	31
	32	#endif // BLOWFISH_H