crypt.c File Reference

#include "crypt.h"
#include <string.h>

Functions
void	HSD_Checksum (u8 *src, int len, void *dest)
	Simple additive checksum using the MD5 intial state. Not the MD5 algorithm.
static int	encryptByte (u8 prev, s32 cur)
static void	encryptAt (u8 *ptr)
int	HSD_Encrypt (u8 *data, int len)
static int	decryptByte (u32 prev, u32 cur)
int	HSD_Decrypt (u8 *data, int len)

Variables
static s32	keys []
const u8	n_keys = ARRAY_SIZE(keys)

Function Documentation

HSD_Checksum()

void HSD_Checksum	(	u8 *	src,
		int	len,
		void *	dest )

Simple additive checksum using the MD5 intial state. Not the MD5 algorithm.

encryptByte()

int encryptByte ( u8 prev, s32 cur )

static

encryptAt()

void encryptAt ( u8 * ptr )

inlinestatic

HSD_Encrypt()

int HSD_Encrypt	(	u8 *	data,
		int	len )

Returns

0 if success, -1 if error

decryptByte()

int decryptByte ( u32 prev, u32 cur )

static

HSD_Decrypt()

int HSD_Decrypt	(	u8 *	data,
		int	len )

Returns

0 if success, -1 if error

Variable Documentation

keys

s32 keys[]

static

Initial value:

                = {
    0x26, 0xFF, 0xE8, 0xEF, 0x42, 0xD6, 0x01,
    0x54, 0x14, 0xA3, 0x80, 0xFD, 0x6E,
}

n_keys

const u8 n_keys = ARRAY_SIZE(keys)