Package com.jcraft.jsch.jce

Class ECDHN

  • All Implemented Interfaces:
    ECDH
    Direct Known Subclasses:
    ECDH256, ECDH384, ECDH521
    public class ECDHN
extends java.lang.Object
implements ECDH

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private javax.crypto.KeyAgreement myKeyAgree  
      (package private) java.security.interfaces.ECPublicKey publicKey  
      (package private) byte[] Q_array  
      private static java.math.BigInteger three  
      private static java.math.BigInteger two  

    • Constructor Summary

      Constructors 
      Constructor Description
      ECDHN()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      private void bzero​(byte[] buf)  
      private byte[] chop0​(byte[] buf)  
      byte[] getQ()  
      byte[] getSecret​(byte[] r, byte[] s)  
      void init​(int size)  
      private byte[] insert0​(byte[] buf)  
      private byte[] toPoint​(byte[] r_array, byte[] s_array)  
      boolean validate​(byte[] r, byte[] s)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • Q_array

        byte[] Q_array

      • publicKey

        java.security.interfaces.ECPublicKey publicKey

      • myKeyAgree

        private javax.crypto.KeyAgreement myKeyAgree

      • two

        private static java.math.BigInteger two

      • three

        private static java.math.BigInteger three

    • Constructor Detail

      • ECDHN

        public ECDHN()

    • Method Detail

      • init

        public void init​(int size)
          throws java.lang.Exception
        Specified by:
        init in interface ECDH
        Throws:
        java.lang.Exception

      • getQ

        public byte[] getQ()
            throws java.lang.Exception
        Specified by:
        getQ in interface ECDH
        Throws:
        java.lang.Exception

      • getSecret

        public byte[] getSecret​(byte[] r,
                        byte[] s)
                 throws java.lang.Exception
        Specified by:
        getSecret in interface ECDH
        Throws:
        java.lang.Exception

      • validate

        public boolean validate​(byte[] r,
                        byte[] s)
                 throws java.lang.Exception
        Specified by:
        validate in interface ECDH
        Throws:
        java.lang.Exception

      • toPoint

        private byte[] toPoint​(byte[] r_array,
                       byte[] s_array)

      • insert0

        private byte[] insert0​(byte[] buf)

      • chop0

        private byte[] chop0​(byte[] buf)

      • bzero

        private void bzero​(byte[] buf)