@qlover/corekit-node/dist/encrypt/StringZlibEncrypt.d.ts

/// <reference types="node" />
import type { Encryptor } from '@qlover/fe-corekit';
/**
 * String encryption implementation with Zlib compression
 * Combines AES encryption with data compression
 *
 * Features:
 * - AES-128-CBC encryption
 * - Zlib compression
 * - IV support
 * - Configurable encoding
 *
 * @implements {Encryptor<string, string>}
 *
 * @example
 * ```typescript
 * const encryptor = new StringZlibEncrypt('my-16-char-key!!');
 *
 * // Encrypt and compress
 * const encrypted = encryptor.encrypt('large text data');
 *
 * // Decrypt and decompress
 * const decrypted = encryptor.decrypt(encrypted);
 * ```
 */
export declare class StringZlibEncrypt implements Encryptor<string, string> {
    private readonly encoding;
    private ALGORITHM;
    private KEY;
    private IV_LENGTH;
    private KEY_LENGTH;
    /**
     * Creates a new StringZlibEncrypt instance
     * @param encryptionKey - Key used for encryption/decryption
     * @param encoding - Output encoding format
     * @throws {RangeError} If key length is invalid
     */
    constructor(encryptionKey: string, encoding?: globalThis.BufferEncoding);
    /**
     * Validates and processes encryption key
     * Ensures key meets length requirements
     *
     * @param key - Raw encryption key
     * @returns Validated key buffer
     * @throws {RangeError} If key length is invalid
     */
    private validateKey;
    /**
     * Encrypts and compresses a string value
     * Applies compression before encryption
     *
     * @param value - String to encrypt
     * @returns Encrypted and compressed string with IV
     */
    encrypt(value: string): string;
    /**
     * Decrypts and decompresses an encrypted string
     * Applies decryption before decompression
     *
     * @param encryptedData - Encrypted string with IV
     * @returns Original string
     */
    decrypt(encryptedData: string): string;
}