/// <reference types="node" />
/**
 * The stretched keys derived from a master password via HKDF. Created via
 * `getHKDFKeysFromPassword`.
 */
export default interface HKDFKeys {
    /**
     * The derived key used for authentication with Nash's Central Accounts System.
     *
     * This is sent to Nash servers whenever signing in. This should never be
     * exposed elsewhere, but even if it is, an attacker will have limited
     * capability if the encryption key is not exposed.
     */
    readonly authKey: Buffer;
    /**
     * The derived key used for encrypting the user's secret key.
     *
     * This is _NEVER_ sent to the Nash servers, and should _NEVER_ be exposed.
     * If made available with the user's encrypted secret key, all of the user's
     * funds are freely accessible.
     */
    readonly encryptionKey: Buffer;
}