import { ExpandedKey } from "./common";
export declare const decrypt: (key: string | Uint8Array, inStream: Uint8Array, length: number) => Promise<Uint8Array>;
export declare const decryptBlock: (key: ExpandedKey, blk: Uint8Array) => Uint8Array;
export declare const decrypt_testPackage: {
    readonly GOST_Kuz_reverse_S: (in_data: Uint8Array) => Uint8Array;
    readonly GOST_Kuz_reverse_L: (in_data: Uint8Array) => Uint8Array;
    readonly GOST_Kuz_reverse_R: (state: Uint8Array) => Uint8Array;
};