import { PrivateKey } from "unicrypto";
import { AnnotatedKey } from "./AnnotatedKey";
/**
 * Key pairs derived from the password to access login key
 */
interface CloudLoginAccessKeys {
    /**
     * This key is used to decrypt other data in the could, except the login private key.
     */
    storageKey: AnnotatedKey;
    /**
     * This key decrypts the login private, stored in the sharedbox in the registration record
     */
    loginAccessKey: AnnotatedKey;
}
/**
 * Keys to access the cloud, derived by successful login.
 */
interface CloudAccessKeys {
    /**
     * This key is used to decrypt other data in the could, except the login private key.
     */
    storageKey: AnnotatedKey;
    /**
     * This key uis decrypted from one stored in the cloud
     */
    loginKey: PrivateKey;
}
/**
 * Calculate parts of MyOnly.cloud login/registration data, e.g. loginHash, loginKey and storageKey.
 */
export declare class Credentials {
    static deriveLoginHash(login: string): Promise<string>;
    static deriveKeysFromPassword(password: string, rounds?: number): Promise<CloudLoginAccessKeys>;
    static decryptCloudKeys(password: string, encryptedKey: Uint8Array): Promise<CloudAccessKeys>;
    static encryptLoginKey(loginKey: PrivateKey, password: string): Promise<Uint8Array>;
}
export {};