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

/*********************************************************************
* Filename:   arcfour.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 ARCFOUR implementation.
*********************************************************************/

#ifndef ARCFOUR_H
#define ARCFOUR_H

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

/**************************** DATA TYPES ****************************/
typedef unsigned char BYTE;             // 8-bit byte

/*********************** FUNCTION DECLARATIONS **********************/
// Input: state - the state used to generate the keystream
//        key - Key to use to initialize the state
//        len - length of key in bytes (valid lenth is 1 to 256)
void arcfour_key_setup(BYTE state[], const BYTE key[], int len);

// Pseudo-Random Generator Algorithm
// Input: state - the state used to generate the keystream
//        out - Must be allocated to be of at least "len" length
//        len - number of bytes to generate
void arcfour_generate_stream(BYTE state[], BYTE out[], size_t len);

#endif   // ARCFOUR_H
Commit	Line	Data
ce188d4d	1	/*********************************************************************
	2	* Filename: arcfour.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 ARCFOUR implementation.
	7	*********************************************************************/
	8
	9	#ifndef ARCFOUR_H
	10	#define ARCFOUR_H
	11
	12	/************************* HEADER FILES *************************/
	13	#include <stddef.h>
	14
	15	/************************** DATA TYPES **************************/
	16	typedef unsigned char BYTE; // 8-bit byte
	17
	18	/********************* FUNCTION DECLARATIONS ********************/
	19	// Input: state - the state used to generate the keystream
	20	// key - Key to use to initialize the state
	21	// len - length of key in bytes (valid lenth is 1 to 256)
	22	void arcfour_key_setup(BYTE state[], const BYTE key[], int len);
	23
	24	// Pseudo-Random Generator Algorithm
	25	// Input: state - the state used to generate the keystream
	26	// out - Must be allocated to be of at least "len" length
	27	// len - number of bytes to generate
	28	void arcfour_generate_stream(BYTE state[], BYTE out[], size_t len);
	29
	30	#endif // ARCFOUR_H