sm2

package

v0.1.1 Latest Latest Go to latest Published: Dec 2, 2021 License: Apache-2.0 Imports: 10 Imported by: 0

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Repository

github.com/meshplus/crypto-gm

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
func InitTable() *[43][32 * 8]uint64
func MarshalSig(x, y []byte) []byte
func REDC64(in *[4]uint64)
func Sign(dgst []byte, reader io.Reader, key []byte) ([]byte, uint8, error)
func Sm2() elliptic.Curve
func Unmarshal(in []byte) (x []byte, y []byte)
func VerifySignature(sig, dgst []byte, X []byte, Y []byte) (bool, error)

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	//RR =  R * R mod P
	RR = [4]uint64{0x0000000200000003, 0x00000002ffffffff, 0x0000000100000001, 0x400000002}
	//R =  R mod P
	R = [4]uint64{0x0000000000000001, 0x00000000ffffffff, 0x0000000000000000, 0x100000000}

	//RRN = R * R mod N
	RRN = [4]uint64{0x901192af7c114f20, 0x3464504ade6fa2fa, 0x620fc84c3affe0d4, 0x1eb5e412a22b3d3b}
)

Functions ¶

func InitTable ¶

func InitTable() *[43][32 * 8]uint64

InitTable is used to compute the p256Precomputed table

func MarshalSig ¶

func MarshalSig(x, y []byte) []byte

MarshalSig marshal signature

func REDC64 ¶

func REDC64(in *[4]uint64)

REDC64 is a REDC function

func Sign ¶

func Sign(dgst []byte, reader io.Reader, key []byte) ([]byte, uint8, error)

func Sm2 ¶

func Sm2() elliptic.Curve

func Unmarshal ¶

func Unmarshal(in []byte) (x []byte, y []byte)

Unmarshal unmarshal signature

func VerifySignature ¶

func VerifySignature(sig, dgst []byte, X []byte, Y []byte) (bool, error)

Types ¶

This section is empty.

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
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