noiseutil

type CipherState interface {
	// EncryptDanger encrypts and authenticates a given payload.
	//
	// out is a destination slice to hold the output of the EncryptDanger operation.
	//   - ad is additional data, which will be authenticated and appended to out, but not encrypted.
	//   - plaintext is encrypted, authenticated and appended to out.
	//   - n is a nonce value which must never be re-used with this key.
	//   - nb is a scratch buffer used to assemble the nonce.
	EncryptDanger(out, ad, plaintext []byte, n uint64, nb []byte) ([]byte, error)

	// DecryptDanger authenticates and decrypts a given payload, with the same argument shape as EncryptDanger.
	DecryptDanger(out, ad, ciphertext []byte, n uint64, nb []byte) ([]byte, error)

	// Overhead returns the AEAD tag size, or 0 if the receiver is nil.
	Overhead() int
}

type CipherStateAESGCM struct {
	// contains filtered or unexported fields
}

type CipherStateChaChaPoly struct {
	// contains filtered or unexported fields
}