/// <reference types="node" />
interface Verifier {
    getPubkey: (compressed?: boolean) => Promise<Buffer>;
    verify: (digest: Buffer, signature: Buffer) => Promise<Buffer>;
}
interface Signer extends Verifier {
    sign: (digest: Buffer) => Promise<[Buffer, number]>;
    getPrvkey: () => Promise<Buffer>;
}
export { Verifier, Signer };