sm2

package

v0.0.0-...-d024a02 Latest Latest Go to latest Published: Jan 12, 2023 License: BSD-3-Clause Imports: 11 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/pfcqlj/SM2-9

Links

Open Source Insights

Documentation ¶

Overview ¶

Package sm2 implements china crypto standards.

Index ¶

Variables
func Decrypt(c []byte, key *PrivateKey) ([]byte, error)
func Encrypt(rand io.Reader, key *PublicKey, msg []byte) (cipher []byte, err error)
func KeyDerivation(Z []byte, klen int) []byte
func LgwDec(x1, y1 *big.Int, c2, c3 []byte, key *PrivateKey) ([]byte, error)
func LgwEnc(rand io.Reader, key *PublicKey, msg []byte) (x, y *big.Int, c2, c3 []byte, err error)
func LgwHDec(key *PrivateKey, c1x, c1y, c2x, c2y *big.Int) (int, error)
func LgwHEnc(rand io.Reader, key *PublicKey, m *big.Int) (x1, y1, c2x, c2y *big.Int)
func Sign(rand io.Reader, priv *PrivateKey, msg []byte) (r, s *big.Int, err error)
func SignWithDigest(rand io.Reader, priv *PrivateKey, digest []byte) (r, s *big.Int, err error)
func Sm2KeyGen(rand io.Reader) (sk, pk []byte, err error)
func Sm2Sign(sk, pk, msg []byte) ([]byte, error)
func Sm2Verify(sign, pk, msg []byte) bool
func Verify(pub *PublicKey, msg []byte, r, s *big.Int) bool
func VerifyWithDigest(pub *PublicKey, digest []byte, r, s *big.Int) bool
type PrivateKey
- func GenerateKey(rand io.Reader) (*PrivateKey, error)
- func (priv *PrivateKey) Public() crypto.PublicKey
- func (priv *PrivateKey) Sign(rand io.Reader, msg []byte) ([]byte, error)
type PublicKey
- func (pub *PublicKey) Verify(msg []byte, sign []byte) bool
type Sm2PrivateKey
type Sm2PublicKey

Constants ¶

This section is empty.

Variables ¶

View Source

var DecryptionErr = errors.New("sm2: decryption error")

View Source

var EncryptionErr = errors.New("sm2: encryption error")

View Source

var T1 = make(map[string]int64, 16777216)

View Source

var T2x = make([]*big.Int, 256)

View Source

var T2y = make([]*big.Int, 256)

Functions ¶

func Decrypt ¶

func Decrypt(c []byte, key *PrivateKey) ([]byte, error)

func Encrypt ¶

func Encrypt(rand io.Reader, key *PublicKey, msg []byte) (cipher []byte, err error)

func KeyDerivation ¶

func KeyDerivation(Z []byte, klen int) []byte

func LgwDec ¶

func LgwDec(x1, y1 *big.Int, c2, c3 []byte, key *PrivateKey) ([]byte, error)

func LgwEnc ¶

func LgwEnc(rand io.Reader, key *PublicKey, msg []byte) (x, y *big.Int, c2, c3 []byte, err error)

func LgwHDec ¶

func LgwHDec(key *PrivateKey, c1x, c1y, c2x, c2y *big.Int) (int, error)

func LgwHEnc ¶

func LgwHEnc(rand io.Reader, key *PublicKey, m *big.Int) (x1, y1, c2x, c2y *big.Int)

func Sign ¶

func Sign(rand io.Reader, priv *PrivateKey, msg []byte) (r, s *big.Int, err error)

func SignWithDigest ¶

func SignWithDigest(rand io.Reader, priv *PrivateKey, digest []byte) (r, s *big.Int, err error)

func Sm2KeyGen ¶

func Sm2KeyGen(rand io.Reader) (sk, pk []byte, err error)

func Sm2Sign ¶

func Sm2Sign(sk, pk, msg []byte) ([]byte, error)

func Sm2Verify ¶

func Sm2Verify(sign, pk, msg []byte) bool

func Verify ¶

func Verify(pub *PublicKey, msg []byte, r, s *big.Int) bool

func VerifyWithDigest ¶

func VerifyWithDigest(pub *PublicKey, digest []byte, r, s *big.Int) bool

Types ¶

type PrivateKey ¶

type PrivateKey struct {
	PublicKey
	D    *big.Int
	DInv *big.Int //(1+d)^-1
}

func GenerateKey ¶

func GenerateKey(rand io.Reader) (*PrivateKey, error)

func (*PrivateKey) Public ¶

func (priv *PrivateKey) Public() crypto.PublicKey

The SM2's private key contains the public key

func (*PrivateKey) Sign ¶

func (priv *PrivateKey) Sign(rand io.Reader, msg []byte) ([]byte, error)

type PublicKey ¶

type PublicKey struct {
	sm2curve.Curve
	X, Y        *big.Int
	PreComputed *[37][64 * 8]uint64 //precomputation
}

func (*PublicKey) Verify ¶

func (pub *PublicKey) Verify(msg []byte, sign []byte) bool

type Sm2PrivateKey ¶

type Sm2PrivateKey struct {
	D *big.Int //sk
}

type Sm2PublicKey ¶

type Sm2PublicKey struct {
	X *big.Int //pk.X
	Y *big.Int //pk.Y
}

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL