/**
 * @category Crypto
 * @description Method to get public key from private key using *x25519* algorithm.
 *
 * @param privateKey Private key
 * @returns Public key
 */
export declare const publicKeyFromPrivateKey: (privateKey: Uint8Array) => Uint8Array<ArrayBufferLike>;
/**
 * @category Crypto
 * @description Method to asymmetrically encrypt the data using *x25519-xsalsa20-poly1305* algorithm.
 *
 * @param data Data to encrypt
 * @param mySecretKey My private key
 * @param theirPublicKey Recipient's public key
 * @returns Encrypted data
 */
export declare const asymmetricEncrypt: (data: Uint8Array, mySecretKey: Uint8Array, theirPublicKey: Uint8Array) => Uint8Array<ArrayBufferLike>;
/**
 * @category Crypto
 * @description Method to asymmetrically decrypt the data using *x25519-xsalsa20-poly1305* algorithm.
 *
 * @param data Data to decrypt
 * @param mySecretKey My private key
 * @param theirPublicKey Sender's public key
 * @returns Decrypted data
 */
export declare const asymmetricDecrypt: (data: Uint8Array, mySecretKey: Uint8Array, theirPublicKey: Uint8Array) => Uint8Array<ArrayBufferLike>;