crypt.h File Reference

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Macros
#define	RAND_HEAD_LEN   12
#define	zdecode(pkeys, pcrc_32_tab, c)    (update_keys(pkeys,pcrc_32_tab, c ^= decrypt_byte(pkeys)))
#define	zencode(pkeys, pcrc_32_tab, c, t)    (t = decrypt_byte(pkeys), update_keys(pkeys,pcrc_32_tab,c), t^(c))

Typedefs
typedef unsigned long	z_crc_t

Functions
uint8_t	decrypt_byte (uint32_t *pkeys)
uint8_t	update_keys (uint32_t *pkeys, const z_crc_t *pcrc_32_tab, int32_t c)
void	init_keys (const char *passwd, uint32_t *pkeys, const z_crc_t *pcrc_32_tab)
int	cryptrand (unsigned char *buf, unsigned int len)
int	crypthead (const char *passwd, uint8_t *buf, int buf_size, uint32_t *pkeys, const z_crc_t *pcrc_32_tab, uint8_t verify1, uint8_t verify2)

Macro Definition Documentation

RAND_HEAD_LEN

#define RAND_HEAD_LEN   12

zdecode

#define zdecode	(		pkeys,
			pcrc_32_tab,
			c
	)		(update_keys(pkeys,pcrc_32_tab, c ^= decrypt_byte(pkeys)))

zencode

#define zencode	(		pkeys,
			pcrc_32_tab,
			c,
			t
	)		(t = decrypt_byte(pkeys), update_keys(pkeys,pcrc_32_tab,c), t^(c))

Typedef Documentation

z_crc_t

typedef unsigned long z_crc_t

Function Documentation

crypthead()

int crypthead	(	const char *	passwd,
		uint8_t *	buf,
		int	buf_size,
		uint32_t *	pkeys,
		const z_crc_t *	pcrc_32_tab,
		uint8_t	verify1,
		uint8_t	verify2
	)

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cryptrand()

int cryptrand	(	unsigned char *	buf,
		unsigned int	len
	)

decrypt_byte()

uint8_t decrypt_byte

(

uint32_t *

pkeys

)

init_keys()

void init_keys	(	const char *	passwd,
		uint32_t *	pkeys,
		const z_crc_t *	pcrc_32_tab
	)

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update_keys()

uint8_t update_keys	(	uint32_t *	pkeys,
		const z_crc_t *	pcrc_32_tab,
		int32_t	c
	)