Class JCEECDHKeyAgreement

  • Direct Known Subclasses:
    JCEECDHKeyAgreement.DH

    public class JCEECDHKeyAgreement
    extends javax.crypto.KeyAgreementSpi
    Diffie-Hellman key agreement using elliptic curve keys, ala IEEE P1363 both the simple one, and the simple one with cofactors are supported.
    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  JCEECDHKeyAgreement.DH  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.security.Key doPhase​(java.security.Key key, boolean lastPhase)  
      protected java.security.Key engineDoPhase​(java.security.Key key, boolean lastPhase)  
      protected byte[] engineGenerateSecret()  
      protected int engineGenerateSecret​(byte[] sharedSecret, int offset)  
      protected javax.crypto.SecretKey engineGenerateSecret​(java.lang.String algorithm)  
      protected void engineInit​(java.security.Key key, java.security.SecureRandom random)  
      protected void engineInit​(java.security.Key key, java.security.spec.AlgorithmParameterSpec params, java.security.SecureRandom random)  
      byte[] generateSecret()  
      void init​(java.security.Key key)  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • JCEECDHKeyAgreement

        protected JCEECDHKeyAgreement​(BasicAgreement agreement)
    • Method Detail

      • doPhase

        public java.security.Key doPhase​(java.security.Key key,
                                         boolean lastPhase)
                                  throws java.security.InvalidKeyException,
                                         java.lang.IllegalStateException
        Throws:
        java.security.InvalidKeyException
        java.lang.IllegalStateException
      • engineDoPhase

        protected java.security.Key engineDoPhase​(java.security.Key key,
                                                  boolean lastPhase)
                                           throws java.security.InvalidKeyException,
                                                  java.lang.IllegalStateException
        Specified by:
        engineDoPhase in class javax.crypto.KeyAgreementSpi
        Throws:
        java.security.InvalidKeyException
        java.lang.IllegalStateException
      • generateSecret

        public byte[] generateSecret()
                              throws java.lang.IllegalStateException
        Throws:
        java.lang.IllegalStateException
      • engineGenerateSecret

        protected byte[] engineGenerateSecret()
                                       throws java.lang.IllegalStateException
        Specified by:
        engineGenerateSecret in class javax.crypto.KeyAgreementSpi
        Throws:
        java.lang.IllegalStateException
      • engineGenerateSecret

        protected int engineGenerateSecret​(byte[] sharedSecret,
                                           int offset)
                                    throws java.lang.IllegalStateException,
                                           javax.crypto.ShortBufferException
        Specified by:
        engineGenerateSecret in class javax.crypto.KeyAgreementSpi
        Throws:
        java.lang.IllegalStateException
        javax.crypto.ShortBufferException
      • engineGenerateSecret

        protected javax.crypto.SecretKey engineGenerateSecret​(java.lang.String algorithm)
        Specified by:
        engineGenerateSecret in class javax.crypto.KeyAgreementSpi
      • init

        public void init​(java.security.Key key)
                  throws java.security.InvalidKeyException,
                         java.security.InvalidAlgorithmParameterException
        Throws:
        java.security.InvalidKeyException
        java.security.InvalidAlgorithmParameterException
      • engineInit

        protected void engineInit​(java.security.Key key,
                                  java.security.spec.AlgorithmParameterSpec params,
                                  java.security.SecureRandom random)
                           throws java.security.InvalidKeyException,
                                  java.security.InvalidAlgorithmParameterException
        Specified by:
        engineInit in class javax.crypto.KeyAgreementSpi
        Throws:
        java.security.InvalidKeyException
        java.security.InvalidAlgorithmParameterException
      • engineInit

        protected void engineInit​(java.security.Key key,
                                  java.security.SecureRandom random)
                           throws java.security.InvalidKeyException
        Specified by:
        engineInit in class javax.crypto.KeyAgreementSpi
        Throws:
        java.security.InvalidKeyException