Package org.keycloak.crypto.elytron

Class ElytronEcdhEsAlgorithmProvider

java.lang.Object

org.keycloak.crypto.elytron.ElytronEcdhEsAlgorithmProvider

All Implemented Interfaces:

JWEAlgorithmProvider

public class ElytronEcdhEsAlgorithmProvider
extends Object
implements JWEAlgorithmProvider

ECDH Ephemeral Static Algorithm Provider.

Author:

Justin Tay

See Also:

• Key Derivation for ECDH Key Agreement

Constructor Summary

Constructors

Constructor	Description
ElytronEcdhEsAlgorithmProvider()

Method Summary

Modifier and Type	Method	Description
byte[]	decodeCek(byte[] encodedCek, Key encryptionKey, JWEHeader header, JWEEncryptionProvider encryptionProvider)
static byte[]	deriveKey(Key publicKey, Key privateKey, int keyDataLength, String algorithmID, byte[] agreementPartyUInfo, byte[] agreementPartyVInfo)
byte[]	encodeCek(JWEEncryptionProvider encryptionProvider, JWEKeyStorage keyStorage, Key encryptionKey, JWEHeader.JWEHeaderBuilder headerBuilder)

Methods inherited from class java.lang.Object

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

Constructor Details

ElytronEcdhEsAlgorithmProvider

public ElytronEcdhEsAlgorithmProvider()

Method Details

decodeCek

public byte[] decodeCek(byte[] encodedCek,
 Key encryptionKey,
 JWEHeader header,
 JWEEncryptionProvider encryptionProvider)
                 throws Exception

Specified by:

decodeCek in interface JWEAlgorithmProvider

Throws:

Exception

encodeCek

public byte[] encodeCek(JWEEncryptionProvider encryptionProvider,
 JWEKeyStorage keyStorage,
 Key encryptionKey,
 JWEHeader.JWEHeaderBuilder headerBuilder)
                 throws Exception

Specified by:

encodeCek in interface JWEAlgorithmProvider

Throws:

Exception

deriveKey

public static byte[] deriveKey(Key publicKey,
 Key privateKey,
 int keyDataLength,
 String algorithmID,
 byte[] agreementPartyUInfo,
 byte[] agreementPartyVInfo)
                        throws InvalidKeyException,
NoSuchAlgorithmException,
IllegalStateException

Throws:

InvalidKeyException

NoSuchAlgorithmException

IllegalStateException