pkg crypto, type Decrypter interface, Decrypt(io.Reader, []uint8, DecrypterOpts) ([]uint8, error)
pkg crypto, type Decrypter interface, Public() PublicKey
pkg crypto, type DecrypterOpts interface {}
pkg crypto/cipher, func NewGCMWithNonceSize(Block, int) (AEAD, error)
pkg crypto/elliptic, type CurveParams struct, Name string
pkg crypto/rsa, method (*PrivateKey) Decrypt(io.Reader, []uint8, crypto.DecrypterOpts) ([]uint8, error)
pkg crypto/rsa, type OAEPOptions struct

	{"context.Context", "type Context interface{Deadline() (deadline time.Time, ok bool); Done() <-chan struct{}; Err() error; Value(key any) any}"},
	{"crypto.Decrypter", "type Decrypter interface{Decrypt(rand io.Reader, msg []byte, opts DecrypterOpts) (plaintext []byte, err error); Public() PublicKey}"},
	{"encoding.BinaryMarshaler", "type BinaryMarshaler interface{MarshalBinary() (data []byte, err error)}"},

// *[PKCS1v15DecryptOptions] then PKCS #1 v1.5 decryption is performed. Otherwise
// opts must have type *[OAEPOptions] and OAEP decryption is done.
func (priv *PrivateKey) Decrypt(rand io.Reader, ciphertext []byte, opts crypto.DecrypterOpts) (plaintext []byte, err error) {
	if opts == nil {
		return DecryptPKCS1v15(rand, priv, ciphertext)
	}

	switch opts := opts.(type) {
	case *OAEPOptions:
		if opts.MGFHash == 0 {