func AEStoEncryptedPEM(raw []byte, pwd []byte) ([]byte, error)
AEStoEncryptedPEM encapsulates an AES key in the encrypted PEM format
func AEStoPEM(raw []byte) []byte
AEStoPEM encapsulates an AES key in the PEM format
func Clone(src []byte) []byte
Clone clones the passed slice
func DERToPrivateKey(der []byte) (key interface{}, err error)
DERToPrivateKey unmarshals a der to private key
func DERToPublicKey(raw []byte) (pub interface{}, err error)
DERToPublicKey unmarshals a der to public key
func DERToX509Certificate(asn1Data []byte) (*x509.Certificate, error)
DERToX509Certificate converts der to x509
func DirEmpty(path string) (bool, error)
DirEmpty checks if a directory is empty
func DirExists(path string) (bool, error)
DirExists checks if a directory exists
func DirMissingOrEmpty(path string) (bool, error)
DirMissingOrEmpty checks is a directory is missing or empty
func ErrToString(err error) string
ErrToString converts and error to a string. If the error is nil, it returns the string "<clean>"
func GetCurveHalfOrdersAt(c elliptic.Curve) *big.Int
func IsLowS(k *ecdsa.PublicKey, s *big.Int) (bool, error)
IsLow checks that s is a low-S
func MarshalECDSASignature(r, s *big.Int) ([]byte, error)
func PEMtoAES(raw []byte, pwd []byte) ([]byte, error)
PEMtoAES extracts from the PEM an AES key
func PEMtoPrivateKey(raw []byte, pwd []byte) (interface{}, error)
PEMtoPrivateKey unmarshals a pem to private key
func PEMtoPublicKey(raw []byte, pwd []byte) (interface{}, error)
PEMtoPublicKey unmarshals a pem to public key
func PrivateKeyToDER(privateKey *ecdsa.PrivateKey) ([]byte, error)
PrivateKeyToDER marshals a private key to der
func PrivateKeyToEncryptedPEM(privateKey interface{}, pwd []byte) ([]byte, error)
PrivateKeyToEncryptedPEM converts a private key to an encrypted PEM
func PrivateKeyToPEM(privateKey interface{}, pwd []byte) ([]byte, error)
PrivateKeyToPEM converts the private key to PEM format. EC private keys are converted to PKCS#8 format. RSA private keys are converted to PKCS#1 format.
func PublicKeyToDER(publicKey interface{}) ([]byte, error)
PublicKeyToDER marshals a public key to the der format
func PublicKeyToEncryptedPEM(publicKey interface{}, pwd []byte) ([]byte, error)
PublicKeyToEncryptedPEM converts a public key to encrypted pem
func PublicKeyToPEM(publicKey interface{}, pwd []byte) ([]byte, error)
PublicKeyToPEM marshals a public key to the pem format
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
}