/**
 * PBKDF2 implementation for GOST R 34.11-94
 * @param password Password from which a derived key is generated
 * @param salt Salt
 * @param iterations Number of iterations (aka work factor)
 * @param dkLen Output length
 */
export declare const Gost341194PBKDF2: (password: Uint8Array, salt: Uint8Array, iterations: number, dkLen: number) => Uint8Array;