crypto-ops.c File Reference

#include <assert.h>
#include <stdint.h>
#include "warnings.h"
#include "crypto-ops.h"

Include dependency graph for crypto-ops.c:

Functions
static void	fe_mul (fe, const fe, const fe)
static void	fe_sq (fe, const fe)
static void	ge_madd (ge_p1p1 *, const ge_p3 *, const ge_precomp *)
static void	ge_msub (ge_p1p1 *, const ge_p3 *, const ge_precomp *)
static void	ge_p2_0 (ge_p2 *)
static void	ge_p3_dbl (ge_p1p1 *, const ge_p3 *)
static void	fe_divpowm1 (fe, const fe, const fe)
uint64_t	load_3 (const unsigned char *in)
uint64_t	load_4 (const unsigned char *in)
static void	fe_0 (fe h)
static void	fe_1 (fe h)
void	fe_add (fe h, const fe f, const fe g)
static void	fe_cmov (fe f, const fe g, unsigned int b)
static void	fe_copy (fe h, const fe f)
void	fe_invert (fe out, const fe z)
static int	fe_isnegative (const fe f)
static int	fe_isnonzero (const fe f)
static void	fe_neg (fe h, const fe f)
static void	fe_sq2 (fe h, const fe f)
static void	fe_sub (fe h, const fe f, const fe g)
void	fe_tobytes (unsigned char *s, const fe h)
void	ge_add (ge_p1p1 *r, const ge_p3 *p, const ge_cached *q)
static void	slide (signed char *r, const unsigned char *a)
void	ge_dsm_precomp (ge_dsmp r, const ge_p3 *s)
void	ge_double_scalarmult_base_vartime (ge_p2 *r, const unsigned char *a, const ge_p3 *A, const unsigned char *b)
void	ge_double_scalarmult_base_vartime_p3 (ge_p3 *r3, const unsigned char *a, const ge_p3 *A, const unsigned char *b)
int	ge_frombytes_vartime (ge_p3 *h, const unsigned char *s)
void	ge_p1p1_to_p2 (ge_p2 *r, const ge_p1p1 *p)
void	ge_p1p1_to_p3 (ge_p3 *r, const ge_p1p1 *p)
void	ge_p2_dbl (ge_p1p1 *r, const ge_p2 *p)
static void	ge_p3_0 (ge_p3 *h)
void	ge_p3_to_cached (ge_cached *r, const ge_p3 *p)
void	ge_p3_to_p2 (ge_p2 *r, const ge_p3 *p)
void	ge_p3_tobytes (unsigned char *s, const ge_p3 *h)
static void	ge_precomp_0 (ge_precomp *h)
static unsigned char	equal (signed char b, signed char c)
static unsigned char	negative (signed char b)
static void	ge_precomp_cmov (ge_precomp *t, const ge_precomp *u, unsigned char b)
static void	select (ge_precomp *t, int pos, signed char b)
void	ge_scalarmult_base (ge_p3 *h, const unsigned char *a)
void	ge_sub (ge_p1p1 *r, const ge_p3 *p, const ge_cached *q)
void	ge_tobytes (unsigned char *s, const ge_p2 *h)
void	sc_reduce (unsigned char *s)
static void	ge_cached_0 (ge_cached *r)
static void	ge_cached_cmov (ge_cached *t, const ge_cached *u, unsigned char b)
void	ge_scalarmult (ge_p2 *r, const unsigned char *a, const ge_p3 *A)
void	ge_scalarmult_p3 (ge_p3 *r3, const unsigned char *a, const ge_p3 *A)
void	ge_double_scalarmult_precomp_vartime2 (ge_p2 *r, const unsigned char *a, const ge_dsmp Ai, const unsigned char *b, const ge_dsmp Bi)
void	ge_double_scalarmult_precomp_vartime2_p3 (ge_p3 *r3, const unsigned char *a, const ge_dsmp Ai, const unsigned char *b, const ge_dsmp Bi)
void	ge_double_scalarmult_precomp_vartime (ge_p2 *r, const unsigned char *a, const ge_p3 *A, const unsigned char *b, const ge_dsmp Bi)
void	ge_mul8 (ge_p1p1 *r, const ge_p2 *t)
void	ge_fromfe_frombytes_vartime (ge_p2 *r, const unsigned char *s)
void	sc_0 (unsigned char *s)
void	sc_reduce32 (unsigned char *s)
void	sc_add (unsigned char *s, const unsigned char *a, const unsigned char *b)
void	sc_sub (unsigned char *s, const unsigned char *a, const unsigned char *b)
void	sc_mulsub (unsigned char *s, const unsigned char *a, const unsigned char *b, const unsigned char *c)
void	sc_mul (unsigned char *s, const unsigned char *a, const unsigned char *b)
void	sc_muladd (unsigned char *s, const unsigned char *a, const unsigned char *b, const unsigned char *c)
static int64_t	signum (int64_t a)
int	sc_check (const unsigned char *s)
int	sc_isnonzero (const unsigned char *s)
int	ge_p3_is_point_at_infinity (const ge_p3 *p)

Function Documentation

equal()

static unsigned char equal ( signed char  b, signed char  c  )

static

fe_0()

static void fe_0 ( fe  h )

static

fe_1()

static void fe_1 ( fe  h )

static

fe_add()

void fe_add	(	fe	h,
		const fe	f,
		const fe	g
	)

fe_cmov()

static void fe_cmov ( fe  f, const fe  g, unsigned int  b  )

static

fe_copy()

static void fe_copy ( fe  h, const fe  f  )

static

fe_divpowm1()

static void fe_divpowm1 ( fe  r, const fe  u, const fe  v  )

static

fe_invert()

void fe_invert	(	fe	out,
		const fe	z
	)

fe_isnegative()

static int fe_isnegative ( const fe  f )

static

fe_isnonzero()

static int fe_isnonzero ( const fe  f )

static

fe_mul()

static void fe_mul ( fe  h, const fe  f, const fe  g  )

static

fe_neg()

static void fe_neg ( fe  h, const fe  f  )

static

fe_sq()

static void fe_sq ( fe  h, const fe  f  )

static

fe_sq2()

static void fe_sq2 ( fe  h, const fe  f  )

static

fe_sub()

static void fe_sub ( fe  h, const fe  f, const fe  g  )

static

fe_tobytes()

static void fe_tobytes	(	unsigned char *	s,
		const fe	h
	)

ge_add()

void ge_add	(	ge_p1p1 *	r,
		const ge_p3 *	p,
		const ge_cached *	q
	)

ge_cached_0()

static void ge_cached_0 ( ge_cached *  r )

static

ge_cached_cmov()

static void ge_cached_cmov ( ge_cached *  t, const ge_cached *  u, unsigned char  b  )

static

ge_double_scalarmult_base_vartime()

void ge_double_scalarmult_base_vartime	(	ge_p2 *	r,
		const unsigned char *	a,
		const ge_p3 *	A,
		const unsigned char *	b
	)

ge_double_scalarmult_base_vartime_p3()

void ge_double_scalarmult_base_vartime_p3	(	ge_p3 *	r3,
		const unsigned char *	a,
		const ge_p3 *	A,
		const unsigned char *	b
	)

ge_double_scalarmult_precomp_vartime()

void ge_double_scalarmult_precomp_vartime	(	ge_p2 *	r,
		const unsigned char *	a,
		const ge_p3 *	A,
		const unsigned char *	b,
		const ge_dsmp	Bi
	)

ge_double_scalarmult_precomp_vartime2()

void ge_double_scalarmult_precomp_vartime2	(	ge_p2 *	r,
		const unsigned char *	a,
		const ge_dsmp	Ai,
		const unsigned char *	b,
		const ge_dsmp	Bi
	)

ge_double_scalarmult_precomp_vartime2_p3()

void ge_double_scalarmult_precomp_vartime2_p3	(	ge_p3 *	r3,
		const unsigned char *	a,
		const ge_dsmp	Ai,
		const unsigned char *	b,
		const ge_dsmp	Bi
	)

ge_dsm_precomp()

void ge_dsm_precomp	(	ge_dsmp	r,
		const ge_p3 *	s
	)

ge_frombytes_vartime()

int ge_frombytes_vartime	(	ge_p3 *	h,
		const unsigned char *	s
	)

ge_fromfe_frombytes_vartime()

void ge_fromfe_frombytes_vartime	(	ge_p2 *	r,
		const unsigned char *	s
	)

ge_madd()

static void ge_madd ( ge_p1p1 *  r, const ge_p3 *  p, const ge_precomp *  q  )

static

ge_msub()

static void ge_msub ( ge_p1p1 *  r, const ge_p3 *  p, const ge_precomp *  q  )

static

ge_mul8()

void ge_mul8	(	ge_p1p1 *	r,
		const ge_p2 *	t
	)

ge_p1p1_to_p2()

void ge_p1p1_to_p2	(	ge_p2 *	r,
		const ge_p1p1 *	p
	)

ge_p1p1_to_p3()

void ge_p1p1_to_p3	(	ge_p3 *	r,
		const ge_p1p1 *	p
	)

ge_p2_0()

static void ge_p2_0 ( ge_p2 *  h )

static

ge_p2_dbl()

void ge_p2_dbl	(	ge_p1p1 *	r,
		const ge_p2 *	p
	)

ge_p3_0()

static void ge_p3_0 ( ge_p3 *  h )

static

ge_p3_dbl()

static void ge_p3_dbl ( ge_p1p1 *  r, const ge_p3 *  p  )

static

ge_p3_is_point_at_infinity()

int ge_p3_is_point_at_infinity

(

const ge_p3 *

p

)

ge_p3_to_cached()

void ge_p3_to_cached	(	ge_cached *	r,
		const ge_p3 *	p
	)

ge_p3_to_p2()

void ge_p3_to_p2	(	ge_p2 *	r,
		const ge_p3 *	p
	)

ge_p3_tobytes()

void ge_p3_tobytes	(	unsigned char *	s,
		const ge_p3 *	h
	)

ge_precomp_0()

static void ge_precomp_0 ( ge_precomp *  h )

static

ge_precomp_cmov()

static void ge_precomp_cmov ( ge_precomp *  t, const ge_precomp *  u, unsigned char  b  )

static

ge_scalarmult()

void ge_scalarmult	(	ge_p2 *	r,
		const unsigned char *	a,
		const ge_p3 *	A
	)

ge_scalarmult_base()

void ge_scalarmult_base	(	ge_p3 *	h,
		const unsigned char *	a
	)

ge_scalarmult_p3()

void ge_scalarmult_p3	(	ge_p3 *	r3,
		const unsigned char *	a,
		const ge_p3 *	A
	)

ge_sub()

static void ge_sub	(	ge_p1p1 *	r,
		const ge_p3 *	p,
		const ge_cached *	q
	)

ge_tobytes()

void ge_tobytes	(	unsigned char *	s,
		const ge_p2 *	h
	)

load_3()

uint64_t load_3

(

const unsigned char *

in

)

load_4()

uint64_t load_4

(

const unsigned char *

in

)

negative()

static unsigned char negative ( signed char  b )

static

sc_0()

void sc_0

(

unsigned char *

s

)

sc_add()

void sc_add	(	unsigned char *	s,
		const unsigned char *	a,
		const unsigned char *	b
	)

sc_check()

int sc_check

(

const unsigned char *

s

)

sc_isnonzero()

int sc_isnonzero

(

const unsigned char *

s

)

sc_mul()

void sc_mul	(	unsigned char *	s,
		const unsigned char *	a,
		const unsigned char *	b
	)

sc_muladd()

void sc_muladd	(	unsigned char *	s,
		const unsigned char *	a,
		const unsigned char *	b,
		const unsigned char *	c
	)

sc_mulsub()

void sc_mulsub	(	unsigned char *	s,
		const unsigned char *	a,
		const unsigned char *	b,
		const unsigned char *	c
	)

sc_reduce()

void sc_reduce

(

unsigned char *

s

)

sc_reduce32()

void sc_reduce32

(

unsigned char *

s

)

sc_sub()

void sc_sub	(	unsigned char *	s,
		const unsigned char *	a,
		const unsigned char *	b
	)

select()

static void select ( ge_precomp *  t, int  pos, signed char  b  )

static

signum()

static int64_t signum ( int64_t  a )

static

slide()

static void slide ( signed char *  r, const unsigned char *  a  )

static