sm2

Documentation

Index

• func Decryt(priv *PrivateKey, data []byte) ([]byte, error)
• func Encryt(rand io.Reader, pub *PublicKey, msg []byte) ([]byte, error)
• func MarshalSign(r, s *big.Int) ([]byte, error)
• func Sign(rand io.Reader, priv *PrivateKey, in, uid []byte) ([]byte, error)
• func SignDigest(rand io.Reader, priv *PrivateKey, digest []byte) ([]byte, error)
• func SignDigestRS(rand io.Reader, priv *PrivateKey, digest []byte) (r, s *big.Int, err error)
• func SignRS(rand io.Reader, priv *PrivateKey, in, userId []byte) (r, s *big.Int, err error)
• func UnmarshalSign(sig []byte) (r, s *big.Int, err error)
• func Verify(pub *PublicKey, in, uid, signature []byte) bool
• func VerifyDigest(pub *PublicKey, in, signature []byte) bool
• func VerifyDigestRS(pub *PublicKey, digest []byte, r, s *big.Int) bool
• func VerifyRS(pub *PublicKey, in []byte, uid []byte, r, s *big.Int) bool
• type P256V1Curve
  • func SM2P256V1() P256V1Curve
  • func (curve P256V1Curve) Params() *elliptic.CurveParams
• type PrivateKey
  • func GenerateKey(random io.Reader) (*PrivateKey, error)
  • func (priv *PrivateKey) Equal(x crypto.PrivateKey) bool
  • func (priv *PrivateKey) Public() crypto.PublicKey
  • func (priv *PrivateKey) Sign(rand io.Reader, in, uid []byte) ([]byte, error)
  • func (priv *PrivateKey) SignDigest(rand io.Reader, digest []byte) ([]byte, error)
  • func (priv *PrivateKey) SignDigestRS(rand io.Reader, digest []byte) (r, s *big.Int, err error)
  • func (priv *PrivateKey) SignRS(rand io.Reader, in []byte, uid []byte) (r, s *big.Int, err error)
• type PublicKey
  • func (pub *PublicKey) Equal(x crypto.PublicKey) bool
  • func (pub *PublicKey) SM3Digest(msg []byte, uid []byte) ([]byte, error)
  • func (pub *PublicKey) Verify(in, uid, signature []byte) bool
  • func (pub *PublicKey) VerifyDigest(in, signature []byte) bool
  • func (pub *PublicKey) VerifyDigestRS(in []byte, r, s *big.Int) bool
  • func (pub *PublicKey) VerifyRS(in, uid []byte, r, s *big.Int) bool

Functions

func Decryt

func Decryt(priv *PrivateKey, data []byte) ([]byte, error)

func Encryt

func Encryt(rand io.Reader, pub *PublicKey, msg []byte) ([]byte, error)

func MarshalSign

func MarshalSign(r, s *big.Int) ([]byte, error)

func Sign

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

原文裸签,返回DER编码的签名

func SignDigest

func SignDigest(rand io.Reader, priv *PrivateKey, digest []byte) ([]byte, error)

摘要签名,返回DER编码的签名

func SignDigestRS

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

摘要签名，返回R||S

func SignRS

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

原文裸签，返回R||S

func UnmarshalSign

func UnmarshalSign(sig []byte) (r, s *big.Int, err error)

func Verify

func Verify(pub *PublicKey, in, uid, signature []byte) bool

签名验证（原文）

func VerifyDigest

func VerifyDigest(pub *PublicKey, in, signature []byte) bool

func VerifyDigestRS

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

func VerifyRS

func VerifyRS(pub *PublicKey, in []byte, uid []byte, r, s *big.Int) bool

Types

type P256V1Curve

type P256V1Curve struct {
	*elliptic.CurveParams
	A *big.Int
}

自定义SM2的椭圆曲线

func SM2P256V1

func SM2P256V1() P256V1Curve

func (P256V1Curve) Params

func (curve P256V1Curve) Params() *elliptic.CurveParams

type PrivateKey

type PrivateKey struct {
	PublicKey
	D *big.Int
}

SM2 private key

func GenerateKey

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

生成SM2密钥对

func (*PrivateKey) Equal

func (priv *PrivateKey) Equal(x crypto.PrivateKey) bool

implement crypto.PrivateKey

func (*PrivateKey) Public

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

func (*PrivateKey) Sign

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

原文裸签,返回DER编码的签名

func (*PrivateKey) SignDigest

func (priv *PrivateKey) SignDigest(rand io.Reader, digest []byte) ([]byte, error)

摘要签名,返回DER编码的签名

func (*PrivateKey) SignDigestRS

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

摘要签名，返回R||S

func (*PrivateKey) SignRS

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

原文裸签，返回R||S

type PublicKey

type PublicKey struct {
	elliptic.Curve
	X, Y *big.Int
}

SM2 public key

func (*PublicKey) Equal

func (pub *PublicKey) Equal(x crypto.PublicKey) bool

implement crypto.PublicKey

func (*PublicKey) SM3Digest

func (pub *PublicKey) SM3Digest(msg []byte, uid []byte) ([]byte, error)

SM2签名摘要算法实现，需要公钥与userid参与计算

func (*PublicKey) Verify

func (pub *PublicKey) Verify(in, uid, signature []byte) bool

func (*PublicKey) VerifyDigest

func (pub *PublicKey) VerifyDigest(in, signature []byte) bool

func (*PublicKey) VerifyDigestRS

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

func (*PublicKey) VerifyRS

func (pub *PublicKey) VerifyRS(in, uid []byte, r, s *big.Int) bool