/**
 * Blowfish Cryptor class
 *
 * TypeScript version by Logue.
 * Original version written by HybridEidolon's saredit
 * @see https://github.com/HybridEidolon/saredit
 */
export default class Blowfish {
    private static readonly P_BOX;
    private static readonly S_BOX;
    /** P Table */
    private readonly p;
    /** S Table */
    private readonly s;
    /** Crypt Key */
    private readonly key;
    /**
     * constructor
     * @param key - key as array of bytes. must be multiple of 4
     */
    constructor(key: ArrayBuffer);
    /**
     * @param buffer - buffer to encrypt. must be multiple of 8
     */
    encrypt(buffer: ArrayBuffer): ArrayBuffer;
    /**
     * @param buffer - buffer to decrypt. must be multiple of 8
     */
    decrypt(buffer: ArrayBuffer): ArrayBuffer;
    /**
     *
     * @param s - S Table
     * @param x - rounds
     * @returns
     */
    private round;
}