export declare const nodeImplementation: {
    hash: {
        sha256: (bytes: Uint8Array) => Promise<Uint8Array>;
    };
    aes: {
        encrypt: (data: Uint8Array, keyStr: string) => Promise<Uint8Array>;
        decrypt: (encrypted: Uint8Array, keyStr: string) => Promise<Uint8Array>;
        genKeyStr: () => Promise<string>;
        decryptGCM: (encrypted: string, keyStr: string, ivStr: string) => Promise<string>;
    };
    rsa: {
        verify: (message: Uint8Array, signature: Uint8Array, publicKey: Uint8Array) => Promise<boolean>;
    };
    ed25519: {
        verify: (message: Uint8Array, signature: Uint8Array, publicKey: Uint8Array) => Promise<boolean>;
    };
    keystore: {
        publicExchangeKey(): Promise<string>;
        publicWriteKey(): Promise<string>;
        decrypt(encrypted: string): Promise<string>;
        sign(message: string, charSize: number): Promise<string>;
        importSymmKey(key: string, name: string): Promise<void>;
        exportSymmKey(name: string): Promise<string>;
        keyExists(name: string): Promise<boolean>;
        getAlg(): Promise<string>;
        clear(): Promise<void>;
    };
    storage: {
        getItem: <T>(key: string) => Promise<T | null>;
        setItem: <T_1>(key: string, val: T_1) => Promise<T_1>;
        removeItem: (key: string) => Promise<void>;
        clear: () => Promise<void>;
    };
};