import { PublicKey, PrivateKey } from '@mailchain/crypto';
import { ProtocolType } from '@mailchain/addressing';

declare function mailchainProvidedMessagingKeyMessage(msgKey: PublicKey, address: string, protocol: ProtocolType): Uint8Array;
declare function signMailchainProvidedMessagingKey(key: PrivateKey, msgKey: PublicKey, address: string, protocol: ProtocolType): Promise<Uint8Array>;
declare function verifyMailchainProvidedMessagingKey(key: PublicKey, msgKey: PublicKey, signature: Uint8Array, address: string, protocol: ProtocolType): Promise<boolean>;

export { mailchainProvidedMessagingKeyMessage, signMailchainProvidedMessagingKey, verifyMailchainProvidedMessagingKey };