import type { KeyPair } from '../types/passport.js';
export declare function generateKeyPair(): KeyPair;
export declare function sign(message: string, privateKeyHex: string): string;
export declare function verify(message: string, signatureHex: string, publicKeyHex: string): boolean;
export declare function publicKeyFromPrivate(privateKeyHex: string): string;
//# sourceMappingURL=keys.d.ts.map