forked from KolibriOS/kolibrios
33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
|
/*********************************************************************
|
||
|
|
* 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
|