import { MtcuteWasmModule, SyncInitInput } from './types.js';
export * from './types.js';
export declare const SIMD_AVAILABLE: boolean;
export declare function getWasmUrl(): URL;
/**
 * Init the WASM blob synchronously (e.g. by passing a `WebAssembly.Module` instance)
 */
export declare function initSync(module: SyncInitInput): void;
/**
 * Deflate some data with zlib headers and max output size
 *
 * @returns null if the compressed data is larger than `size`, otherwise the compressed data
 */
export declare function deflateMaxSize(bytes: Uint8Array, size: number): Uint8Array | null;
/**
 * Try to decompress some data with zlib headers
 *
 * @throws  Error if the data is invalid
 * @param defaultCapacity  default capacity of the output buffer. Defaults to `bytes.length * 2`
 */
export declare function gunzip(bytes: Uint8Array): Uint8Array;
/**
 * Pefrorm AES-IGE-256 encryption
 *
 * @param data  data to encrypt (must be a multiple of 16 bytes)
 * @param key  encryption key (32 bytes)
 * @param iv  initialization vector (32 bytes)
 */
export declare function ige256Encrypt(data: Uint8Array, key: Uint8Array, iv: Uint8Array): Uint8Array;
/**
 * Pefrorm AES-IGE-256 decryption
 *
 * @param data  data to decrypt (must be a multiple of 16 bytes)
 * @param key  encryption key (32 bytes)
 * @param iv  initialization vector (32 bytes)
 */
export declare function ige256Decrypt(data: Uint8Array, key: Uint8Array, iv: Uint8Array): Uint8Array;
/**
 * Create a context for AES-CTR-256 en/decryption
 *
 * > **Note**: `freeCtr256` must be called on the returned context when it's no longer needed
 */
export declare function createCtr256(key: Uint8Array, iv: Uint8Array): number;
/**
 * Release a context for AES-CTR-256 en/decryption
 */
export declare function freeCtr256(ctx: number): void;
/**
 * Pefrorm AES-CTR-256 en/decryption
 *
 * @param ctx  context returned by `createCtr256`
 * @param data  data to en/decrypt (must be a multiple of 16 bytes)
 */
export declare function ctr256(ctx: number, data: Uint8Array): Uint8Array;
/**
 * Calculate a SHA-256 hash
 *
 * @param data  data to hash
 */
export declare function sha256(data: Uint8Array): Uint8Array;
/**
 * Calculate a SHA-1 hash
 *
 * @param data  data to hash
 */
export declare function sha1(data: Uint8Array): Uint8Array;
/**
 * Get the WASM module instance.
 *
 * For debugging and testing purposes only
 */
export declare function __getWasm(): MtcuteWasmModule;