ecdsa

func GetCurveHalfOrdersAt ¶

func GetCurveHalfOrdersAt(c elliptic.Curve) *big.Int

func GetSHA256HASH ¶

func GetSHA256HASH(data string) []byte

func IsLowS ¶

func IsLowS(k *ecdsa.PublicKey, s *big.Int) (bool, error)

IsLow checks that s is a low-S

func LoadPrivateKey ¶

func LoadPrivateKey(privateKey string) (*ecdsa.PrivateKey, error)

func LoadPrivateKeyByFile ¶

func LoadPrivateKeyByFile(file string) (*ecdsa.PrivateKey, error)

func LoadPublicKey ¶

func LoadPublicKey(cert string) (*ecdsa.PublicKey, error)

func LoadPublicKeyByFile ¶

func LoadPublicKeyByFile(file string) (*ecdsa.PublicKey, error)

func LoadPublicKeyNotCert ¶

func LoadPublicKeyNotCert(cert string) (*ecdsa.PublicKey, error)

func NewEcdsaR1Handle ¶

func NewEcdsaR1Handle(pub, pri string) (*ecdsaHandle, error)

func SignECDSA ¶

func SignECDSA(k *ecdsa.PrivateKey, digest []byte) (signature []byte, err error)

func ToLowS ¶

func ToLowS(k *ecdsa.PublicKey, s *big.Int) (*big.Int, bool, error)

func UnmarshalECDSASignature ¶

func UnmarshalECDSASignature(raw []byte) (*big.Int, *big.Int, error)

func VerifyECDSA ¶

func VerifyECDSA(k *ecdsa.PublicKey, signature, digest []byte) (bool, error)