public Packer useRSA(final Key rsaKeyForEncrypt, final Key rsaKeyForDecrypt)
			throws NoSuchAlgorithmException, NoSuchPaddingException {
		this.rsaCipher = Cipher.getInstance(ASYM_CIPHER_CHAIN_PADDING);
		this.rsaKeyForEncrypt = rsaKeyForEncrypt;
		this.rsaKeyForDecrypt = rsaKeyForDecrypt;
		return this;
	}
public Packer useRSA ( final Key rsaKeyForEncrypt , final Key rsaKeyForDecrypt ) throws NoSuchAlgorithmException , NoSuchPaddingException { this . rsaCipher = Cipher . getInstance ( ASYM_CIPHER_CHAIN_PADDING ) ; this . rsaKeyForEncrypt = rsaKeyForEncrypt ; this . rsaKeyForDecrypt = rsaKeyForDecrypt ; return this ; }
Sets he usage of "RSA/ECB/PKCS1Padding" for encryption (default no)

@param rsaKeyForEncrypt
@param rsaKeyForDecrypt
@return
@throws NoSuchPaddingException
@throws NoSuchAlgorithmException