/**
 * @license
 * @preserve
 *
 * KeeeX SAS Public code
 * https://keeex.me
 * Copyright 2013-2023 KeeeX All Rights Reserved.
 * 
 * These computer program listings and specifications, herein,
 * are and remain the property of KeeeX SAS. The intellectual
 * and technical concepts herein are proprietary to KeeeX SAS
 * and may be covered by EU and foreign patents,
 * patents in process, trade secrets and copyright law.
 * 
 * These listings are published as a way to provide third party
 * with the ability to process KeeeX data.
 * As such, support for public inquiries is limited.
 * They are provided "as-is", without warrany of any kind.
 * 
 * They shall not be reproduced or copied or used in whole or
 * in part as the basis for manufacture or sale of items unless
 * prior written permission is obtained from KeeeX SAS.
 * 
 * For a license agreement, please contact:
 * <mailto: contact@keeex.net>
 * 
 */
import * as cipher from "@keeex/crypto/cipher.js";
import * as digest from "@keeex/crypto/digest.js";
export interface DeriveParams {
    digestAlgorithm: digest.Algorithms;
    keyLen: number;
    rounds: number;
    targetAlgorithm: cipher.Algorithms;
}
/** Small data block encryption output */
export interface EncryptedData {
    ciphertext: string;
    rounds: number;
    salt: string;
    cipher: string;
    digest: string;
    keylen: number;
}
export declare const isEncryptedData: import("@keeex/utils/types/types.js").TypePredicate<EncryptedData>;
/** Cipher a small block of data in a single call */
export declare const directEncryptData: (password: string, payload: Uint8Array, salt?: Uint8Array) => Promise<EncryptedData>;
/** Decipher a small block of data from directEncryptData() */
export declare const decryptSmallData: (password: string, encryptedData: EncryptedData, saltAsString?: boolean) => Promise<Uint8Array>;