export interface EthEncryptedData {
    version: string;
    nonce: string;
    ephemPublicKey: string;
    ciphertext: string;
}
export declare function encrypt({ publicKey, data, version, }: {
    publicKey: string;
    data: string;
    version: string;
}): EthEncryptedData;
export declare function encryptSafely({ publicKey, data, version, }: {
    publicKey: string;
    data: unknown;
    version: string;
}): EthEncryptedData;
export declare function decrypt({ encryptedData, privateKey, }: {
    encryptedData: EthEncryptedData;
    privateKey: string;
}): string;
export declare function decryptSafely({ encryptedData, privateKey, }: {
    encryptedData: EthEncryptedData;
    privateKey: string;
}): string;
export declare function getEncryptionPublicKey(privateKey: string): string;