import { BIP44HDPath, CoinTypeForChain, ScryptParams, CommonCrypto } from "./types";
/**
 * This is similar to ethereum's key store.
 * But, the encryped data is not the private key, but the mnemonic words.
 */
export interface KeyStore {
    version: "1.2";
    /**
     * Type can be "mnemonic" or "privateKey".
     * Below version "1", type is not defined and it is considered as "mnemonic".
     */
    type?: "mnemonic" | "privateKey" | "ledger" | "keystone";
    coinTypeForChain: CoinTypeForChain;
    bip44HDPath?: BIP44HDPath;
    meta?: {
        [key: string]: string;
    };
    crypto: {
        cipher: "aes-128-ctr";
        cipherparams: {
            iv: string;
        };
        ciphertext: string;
        kdf: "scrypt" | "sha256" | "pbkdf2";
        kdfparams: ScryptParams;
        mac: string;
    };
}
export declare class Crypto {
    static encrypt(commonCrypto: CommonCrypto, kdf: "scrypt" | "sha256" | "pbkdf2", type: "mnemonic" | "privateKey" | "ledger" | "keystone", text: string, password: string, meta: Record<string, string>, bip44HDPath?: BIP44HDPath): Promise<KeyStore>;
    static decrypt(crypto: CommonCrypto, keyStore: KeyStore, password: string): Promise<Uint8Array>;
}