func NewHMAC(h func() hash.Hash, key []byte) hash.Hash { panic("boringcrypto: not available") }

func NewAESCipher(key []byte) (cipher.Block, error) { panic("boringcrypto: not available") }
func NewGCMTLS(cipher.Block) (cipher.AEAD, error)   { panic("boringcrypto: not available") }

type PublicKeyECDSA struct{ _ int }
type PrivateKeyECDSA struct{ _ int }

func GenerateKeyECDSA(curve string) (X, Y, D BigInt, err error) {