interface HashLike {
    update(data: string | Uint8Array): HashLike;
    digest(encoding?: string): string | Uint8Array;
}
export interface QvacCrypto {
    createHash(algorithm: string): HashLike;
    randomBytes?(size: number): Uint8Array;
    getRandomValues?<T extends ArrayBufferView>(array: T): T;
}
declare const cryptoShim: QvacCrypto;
export default cryptoShim;