import { CryptoRawOutput } from "../Enities";
import { AbstractCrypto } from "./AbstractCrypto";
import { SymKey } from "./SymKey";
/**
 * @author Jörn Heinemann <joernheinemann@gmx.de>
 * @since 2022/08/19
 */
export declare abstract class AbstractSymCrypto extends AbstractCrypto {
    /**
     * The latest used key (e.g. the latest group key)
     *
     * return the key and the key id
     */
    abstract getSymKeyToEncrypt(): Promise<[string, string]>;
    abstract getSymKeyToEncryptSync(): [string, string];
    abstract getSymKeyById(key_id: string): Promise<string>;
    abstract getSymKeyByIdSync(key_id: string): string;
    abstract getSignKey(): Promise<string>;
    abstract getSignKeySync(): string;
    abstract getJwt(): Promise<string>;
    encryptRaw(data: Uint8Array): Promise<CryptoRawOutput>;
    encryptRaw(data: Uint8Array, sign: true): Promise<CryptoRawOutput>;
    encryptRawSync(data: Uint8Array, sign?: boolean): CryptoRawOutput;
    decryptRaw(head: string, encrypted_data: Uint8Array): Promise<Uint8Array>;
    decryptRaw(head: string, encrypted_data: Uint8Array, verify_key: string): Promise<Uint8Array>;
    decryptRawSync(head: string, encrypted_data: Uint8Array, verify_key?: string): Uint8Array;
    encrypt(data: Uint8Array): Promise<Uint8Array>;
    encrypt(data: Uint8Array, sign: true): Promise<Uint8Array>;
    encryptSync(data: Uint8Array, sign?: boolean): Uint8Array;
    decrypt(data: Uint8Array): Promise<Uint8Array>;
    decrypt(data: Uint8Array, verify: true, user_id: string): Promise<Uint8Array>;
    decryptSync(data: Uint8Array, verify_key?: string): Uint8Array;
    encryptString(data: string): Promise<string>;
    encryptString(data: string, sign: true): Promise<string>;
    encryptStringSync(data: string, sign?: boolean): string;
    decryptString(data: string): Promise<string>;
    decryptString(data: string, verify_key: true, user_id: string): Promise<string>;
    decryptStringSync(data: string, verify_key?: string): string;
    generateNonRegisteredKey(): Promise<[SymKey, string]>;
    getNonRegisteredKey(master_key_id: string, key: string): Promise<SymKey>;
}