cx_utils.h File Reference

#include "lcx_common.h"
#include "errors.h"
#include "exceptions.h"
#include <stddef.h>
#include <stdint.h>

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Macros
#define	_CX_INLINE_U32
#define	cx_rotl(x, n)   (((x) << (n)) | ((x) >> (32 - (n))))
#define	cx_rotr(x, n)   (((x) >> (n)) | ((x) << (32 - (n))))
#define	cx_shr(x, n)   ((x) >> (n))
#define	htole32(value)   ((uint32_t) (value))
#define	_64BITS(h, l)
#define	CLR64(x)
#define	ADD64(x, y)   cx_add_64(&(x), &(y))
#define	ASSIGN64(r, x)

Functions
uint32_t	cx_swap_uint32 (uint32_t v)
void	cx_swap_buffer32 (uint32_t *v, size_t len)
void	cx_rotr64 (uint64bits_t *x, unsigned char n)
void	cx_shr64 (uint64bits_t *x, unsigned char n)
void	cx_add_64 (uint64bits_t *a, uint64bits_t *b)
void	cx_swap_uint64 (uint64bits_t *v)
void	cx_swap_buffer64 (uint64bits_t *v, int len)
void	cx_memxor (uint8_t *buf1, const uint8_t *buf2, size_t len)
uint8_t	cx_constant_time_eq (const uint8_t *buf1, uint8_t *buf2, size_t len)

Macro Definition Documentation

_64BITS

#define _64BITS	(		h,
			l
	)

Value:

    {                 \
        h, l          \
    }

Definition at line 53 of file cx_utils.h.

_CX_INLINE_U32

#define _CX_INLINE_U32

Definition at line 34 of file cx_utils.h.

ADD64

#define ADD64	(		x,
			y
	)		cx_add_64(&(x), &(y))

Definition at line 62 of file cx_utils.h.

ASSIGN64

#define ASSIGN64	(		r,
			x
	)

Value:

    (r).l = (x).l;     \
    (r).h = (x).h

Definition at line 63 of file cx_utils.h.

CLR64

#define CLR64

(

x

)

Value:

    (x).l = 0;   \
    (x).h = 0

Definition at line 59 of file cx_utils.h.

cx_rotl

#define cx_rotl	(		x,
			n
	)		(((x) << (n)) | ((x) >> (32 - (n))))

Definition at line 35 of file cx_utils.h.

cx_rotr

#define cx_rotr	(		x,
			n
	)		(((x) >> (n)) | ((x) << (32 - (n))))

Definition at line 36 of file cx_utils.h.

cx_shr

#define cx_shr	(		x,
			n
	)		((x) >> (n))

Definition at line 37 of file cx_utils.h.

htole32

#define htole32

(

value

)

((uint32_t) (value))

Definition at line 39 of file cx_utils.h.

Function Documentation

cx_add_64()

void cx_add_64	(	uint64bits_t *	a,
		uint64bits_t *	b
	)

Definition at line 156 of file cx_utils.c.

cx_constant_time_eq()

uint8_t cx_constant_time_eq	(	const uint8_t *	buf1,
		uint8_t *	buf2,
		size_t	len
	)

Definition at line 181 of file cx_utils.c.

cx_memxor()

void cx_memxor	(	uint8_t *	buf1,
		const uint8_t *	buf2,
		size_t	len
	)

Definition at line 173 of file cx_utils.c.

cx_rotr64()

void cx_rotr64	(	uint64bits_t *	x,
		unsigned char	n
	)

cx_shr64()

void cx_shr64	(	uint64bits_t *	x,
		unsigned char	n
	)

Definition at line 83 of file cx_utils.c.

cx_swap_buffer32()

void cx_swap_buffer32	(	uint32_t *	v,
		size_t	len
	)

Definition at line 47 of file cx_utils.c.

cx_swap_buffer64()

void cx_swap_buffer64	(	uint64bits_t *	v,
		int	len
	)

Definition at line 140 of file cx_utils.c.

cx_swap_uint32()

uint32_t cx_swap_uint32

(

uint32_t

v

)

Definition at line 41 of file cx_utils.c.

cx_swap_uint64()

void cx_swap_uint64

(

uint64bits_t *

v

)

Definition at line 118 of file cx_utils.c.