scalar_impl.h File Reference

#include "scalar.h"
#include "util.h"
#include "scalar_8x32_impl.h"

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Functions
static SECP256K1_INLINE void	secp256k1_scalar_clear (secp256k1_scalar *r)
static int	secp256k1_scalar_set_b32_seckey (secp256k1_scalar *r, const unsigned char *bin)
static void	secp256k1_scalar_verify (const secp256k1_scalar *r)
static void	secp256k1_scalar_split_lambda (secp256k1_scalar *SECP256K1_RESTRICT r1, secp256k1_scalar *SECP256K1_RESTRICT r2, const secp256k1_scalar *SECP256K1_RESTRICT k)

Variables
static const secp256k1_scalar	secp256k1_scalar_one = SECP256K1_SCALAR_CONST(0, 0, 0, 0, 0, 0, 0, 1)
static const secp256k1_scalar	secp256k1_scalar_zero = SECP256K1_SCALAR_CONST(0, 0, 0, 0, 0, 0, 0, 0)
static const secp256k1_scalar	secp256k1_const_lambda
	The Secp256k1 curve has an endomorphism, where lambda * (x, y) = (beta * x, y), where lambda is:

Function Documentation

secp256k1_scalar_clear()

SECP256K1_INLINE void secp256k1_scalar_clear ( secp256k1_scalar * r )

static

Definition at line 30 of file scalar_impl.h.

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secp256k1_scalar_set_b32_seckey()

int secp256k1_scalar_set_b32_seckey ( secp256k1_scalar * r, const unsigned char * bin )

static

Definition at line 34 of file scalar_impl.h.

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secp256k1_scalar_split_lambda()

void secp256k1_scalar_split_lambda ( secp256k1_scalar *SECP256K1_RESTRICT r1, secp256k1_scalar *SECP256K1_RESTRICT r2, const secp256k1_scalar *SECP256K1_RESTRICT k )

static

Definition at line 142 of file scalar_impl.h.

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secp256k1_scalar_verify()

void secp256k1_scalar_verify ( const secp256k1_scalar * r )

static

Definition at line 42 of file scalar_impl.h.

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Variable Documentation

secp256k1_const_lambda

const secp256k1_scalar secp256k1_const_lambda

static

Initial value:

                                                     = SECP256K1_SCALAR_CONST(
    0x5363AD4CUL, 0xC05C30E0UL, 0xA5261C02UL, 0x8812645AUL,
    0x122E22EAUL, 0x20816678UL, 0xDF02967CUL, 0x1B23BD72UL
)

The Secp256k1 curve has an endomorphism, where lambda * (x, y) = (beta * x, y), where lambda is:

Definition at line 83 of file scalar_impl.h.

secp256k1_scalar_one

const secp256k1_scalar secp256k1_scalar_one = SECP256K1_SCALAR_CONST(0, 0, 0, 0, 0, 0, 0, 1)

static

Definition at line 27 of file scalar_impl.h.

secp256k1_scalar_zero

const secp256k1_scalar secp256k1_scalar_zero = SECP256K1_SCALAR_CONST(0, 0, 0, 0, 0, 0, 0, 0)

static

Definition at line 28 of file scalar_impl.h.