/// <reference types="node" />
import * as crypto from 'crypto';
import { Key } from './basic';
import { CryptoCipher, CipherMode, CipherKeySize, HashAlgorithm, KeySize } from './types';
export interface SCryptOptions {
    cost?: number;
    blockSize?: number;
    parallelization?: number;
    maxmem?: number;
}
export declare const CIPHER_IV: {
    [name: string]: CipherKeySize;
};
export declare class SecretKey extends Key {
    export(): Uint8Array;
    encrypt(alhorithm: CryptoCipher, data: Uint8Array | Iterable<Uint8Array> | AsyncIterable<Uint8Array>, iv: Uint8Array, mode?: CipherMode): Promise<AsyncIterableIterator<Uint8Array>>;
    decrypt(alhorithm: CryptoCipher, data: Uint8Array | Iterable<Uint8Array> | AsyncIterable<Uint8Array>, iv: Uint8Array, mode?: CipherMode): Promise<AsyncIterableIterator<Uint8Array>>;
    static fromBytes(keydata: Uint8Array): SecretKey;
    static createRandom(size: CipherKeySize): Promise<SecretKey>;
    static createPBKDF2(password: string | Uint8Array, salt: string | Uint8Array, iterations?: number, keylen?: CipherKeySize, digest?: HashAlgorithm): Promise<SecretKey>;
    static createSCRYPT(password: string | Uint8Array, salt: string | Uint8Array, keylen?: KeySize, options?: crypto.ScryptOptions): Promise<SecretKey>;
    static keySize(name: CryptoCipher): CipherKeySize;
    static ivSize(name: CryptoCipher): number;
    static iv(name: CryptoCipher): Promise<Uint8Array>;
    static get ciphers(): CryptoCipher[];
}