org.dromara.hutool.crypto.asymmetric.paillier

Class PaillierKey

java.lang.Object

org.dromara.hutool.crypto.asymmetric.paillier.PaillierKey

All Implemented Interfaces:

Serializable, Key

Direct Known Subclasses:

PaillierPrivateKey, PaillierPublicKey

public class PaillierKey
extends Object
implements Key

Paillier算法密钥

Author:

peterstefanov, looly

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALGORITHM_NAME 算法名称：Paillier

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PaillierKey(BigInteger n)

Method Summary

Modifier and Type	Method and Description
BigInteger	generateRandomRinZn(SecureRandom random) This method generates a random r in Z_{n}^* for each separate encryption using the same modulus n Paillier cryptosystem allows the generated r to differ every time, such that the same plaintext encrypted several times will produce different ciphertext every time.
String	getAlgorithm()
byte[]	getEncoded()
String	getFormat()
BigInteger	getN() 获取N值
BigInteger	getNSquare() 获取N * N

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ALGORITHM_NAME

public static final String ALGORITHM_NAME

算法名称：Paillier

See Also:

Constant Field Values

Constructor Detail

PaillierKey

protected PaillierKey(BigInteger n)

Method Detail

getN

public BigInteger getN()

获取N值

Returns:

N值

getAlgorithm

public String getAlgorithm()

Specified by:

getAlgorithm in interface Key

getFormat

public String getFormat()

Specified by:

getFormat in interface Key

getEncoded

public byte[] getEncoded()

Specified by:

getEncoded in interface Key

getNSquare

public BigInteger getNSquare()

获取N * N

Returns:

N * N

generateRandomRinZn

public BigInteger generateRandomRinZn(SecureRandom random)

This method generates a random r in Z_{n}^* for each separate encryption using the same modulus n Paillier cryptosystem allows the generated r to differ every time, such that the same plaintext encrypted several times will produce different ciphertext every time.

Parameters:

random - SecureRandom

Returns:

r