utils

package

v0.0.0-...-95b87ed Latest Latest Go to latest Published: Sep 16, 2019 License: Apache-2.0 Imports: 12 Imported by: 0

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func AEStoEncryptedPEM(raw []byte, pwd []byte) ([]byte, error)

func AEStoPEM(raw []byte) []byte

func Clone(src []byte) []byte

func DERToPrivateKey(der []byte) (key interface{}, err error)

func DERToPublicKey(raw []byte) (pub interface{}, err error)

func DERToX509Certificate(asn1Data []byte) (*x509.Certificate, error)

func DirEmpty(path string) (bool, error)

func DirExists(path string) (bool, error)

func DirMissingOrEmpty(path string) (bool, error)

func ErrToString(err error) string

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

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

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

func PEMtoAES(raw []byte, pwd []byte) ([]byte, error)

func PEMtoPrivateKey(raw []byte, pwd []byte) (interface{}, error)

func PEMtoPublicKey(raw []byte, pwd []byte) (interface{}, error)

func PrivateKeyToDER(privateKey *ecdsa.PrivateKey) ([]byte, error)

func PrivateKeyToEncryptedPEM(privateKey interface{}, pwd []byte) ([]byte, error)

func PrivateKeyToPEM(privateKey interface{}, pwd []byte) ([]byte, error)

func PublicKeyToDER(publicKey interface{}) ([]byte, error)

func PublicKeyToEncryptedPEM(publicKey interface{}, pwd []byte) ([]byte, error)

func PublicKeyToPEM(publicKey interface{}, pwd []byte) ([]byte, error)

func SignatureToLowS(k *ecdsa.PublicKey, signature []byte) ([]byte, error)

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

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

type ECDSASignature struct {
	R, S *big.Int
}