ecdsa.go
func GenerateECDSAKeyPair(src io.Reader) (PrivKey, PubKey, error) {
	return GenerateECDSAKeyPairWithCurve(ECDSACurve, src)
}
func GenerateECDSAKeyPair(src io.Reader) (PrivKey, PubKey, error) {
	return GenerateECDSAKeyPairWithCurve(ECDSACurve, src)
}
// GenerateECDSAKeyPair generates a new ecdsa private and public key