Module java.base

Package java.security.spec

Class SM2KeyAgreementParamSpec

java.lang.Object

java.security.spec.SM2KeyAgreementParamSpec

All Implemented Interfaces:

AlgorithmParameterSpec

public final class SM2KeyAgreementParamSpec
extends Object
implements AlgorithmParameterSpec

The parameters used by SM2 key agreement.

Constructor Summary

Constructors

Constructor	Description
SM2KeyAgreementParamSpec(byte[] id, ECPrivateKey privateKey, ECPublicKey publicKey, byte[] peerId, ECPublicKey peerPublicKey, boolean isInitiator, int sharedKeyLength)	Create a new SM2KeyAgreementParamSpec.
SM2KeyAgreementParamSpec(ECPrivateKey privateKey, ECPublicKey publicKey, ECPublicKey peerPublicKey, boolean isInitiator, int sharedKeyLength)	Create a new SM2KeyAgreementParamSpec.

Method Summary

Modifier and Type	Method	Description
byte[]	id()	Returns the ID.
boolean	isInitiator()	Indicates if it is initiator.
byte[]	peerId()	Returns the peer's ID.
ECPublicKey	peerPublicKey()	Returns the peer's public key.
ECPrivateKey	privateKey()	Returns the private key.
ECPublicKey	publicKey()	Returns the public key.
int	sharedKeyLength()	Returns the length of the shared key.

Methods declared in class java.lang.Object

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

Constructor Detail

SM2KeyAgreementParamSpec

public SM2KeyAgreementParamSpec(byte[] id,
                                ECPrivateKey privateKey,
                                ECPublicKey publicKey,
                                byte[] peerId,
                                ECPublicKey peerPublicKey,
                                boolean isInitiator,
                                int sharedKeyLength)

Create a new SM2KeyAgreementParamSpec.

Parameters:

id - the ID.

privateKey - the private key.

publicKey - the public key.

peerId - the peer's ID.

peerPublicKey - the peer's public key.

isInitiator - true indicates it initiates the key exchanging; false indicates peer initiates the key exchange.

sharedKeyLength - the length of the shared key.

Throws:

NullPointerException - any parameter is null.

SM2KeyAgreementParamSpec

public SM2KeyAgreementParamSpec(ECPrivateKey privateKey,
                                ECPublicKey publicKey,
                                ECPublicKey peerPublicKey,
                                boolean isInitiator,
                                int sharedKeyLength)

Create a new SM2KeyAgreementParamSpec. It just uses the default ID, exactly 1234567812345678.

Parameters:

privateKey - the private key.

publicKey - the public key.

peerPublicKey - the peer's public key.

isInitiator - true indicates it initiates the key exchanging; false indicates peer initiates the key exchange.

sharedKeyLength - the length of the shared key.

Throws:

NullPointerException - any parameter is null.

Method Detail

id

public byte[] id()

Returns the ID.

Returns:

the ID.

privateKey

public ECPrivateKey privateKey()

Returns the private key.

Returns:

the private key.

publicKey

public ECPublicKey publicKey()

Returns the public key.

Returns:

the public key.

peerId

public byte[] peerId()

Returns the peer's ID.

Returns:

the peer's ID.

peerPublicKey

public ECPublicKey peerPublicKey()

Returns the peer's public key.

Returns:

the peer's public key.

isInitiator

public boolean isInitiator()

Indicates if it is initiator.

Returns:

true indicates it initiates the key exchanging; false indicates peer initiates the key exchange.

sharedKeyLength

public int sharedKeyLength()

Returns the length of the shared key.

Returns:

the length of the shared key.