DefaultRsaKeyEncryption256JWEAlgorithmProvider.java
package org.keycloak.crypto.def;
import java.security.AlgorithmParameters;
import java.security.Key;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.MGF1ParameterSpec;
import javax.crypto.Cipher;
import javax.crypto.spec.OAEPParameterSpec;
import javax.crypto.spec.PSource;
public class DefaultRsaKeyEncryption256JWEAlgorithmProvider extends DefaultRsaKeyEncryptionJWEAlgorithmProvider {
public DefaultRsaKeyEncryption256JWEAlgorithmProvider(String jcaAlgorithmName) {
super(jcaAlgorithmName);
}
@Override
protected void initCipher(Cipher cipher, int mode, Key key) throws Exception {
AlgorithmParameters algp = AlgorithmParameters.getInstance("OAEP");
AlgorithmParameterSpec paramSpec = new OAEPParameterSpec("SHA-256", "MGF1", MGF1ParameterSpec.SHA256,
PSource.PSpecified.DEFAULT);
algp.init(paramSpec);
cipher.init(mode, key, algp);
}
}