Class ISO9796p2


  • public class ISO9796p2
    extends java.security.SignatureSpi
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.security.MessageDigest dig  
      private SignatureParamSpec param  
      private java.security.PrivateKey privKey  
      private java.security.interfaces.RSAPublicKey pubKey  
      • Fields inherited from class java.security.SignatureSpi

        appRandom
    • Constructor Summary

      Constructors 
      Constructor Description
      ISO9796p2()  
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      private static java.math.BigInteger adjustJ​(java.math.BigInteger J, java.math.BigInteger modulus)  
      protected java.lang.Object engineGetParameter​(java.lang.String parameter)
      Deprecated.
      protected void engineInitSign​(java.security.PrivateKey privateKey)  
      protected void engineInitVerify​(java.security.PublicKey publicKey)  
      protected void engineSetParameter​(java.lang.String param1, java.lang.Object value)
      Deprecated.
      protected void engineSetParameter​(java.security.spec.AlgorithmParameterSpec param1)  
      protected byte[] engineSign()  
      protected int engineSign​(byte[] output, int offset, int len)  
      protected void engineUpdate​(byte b)  
      protected void engineUpdate​(byte[] b, int offset, int length)  
      protected boolean engineVerify​(byte[] sig)  
      private static java.math.BigInteger getJfromSig​(java.math.BigInteger sig, java.math.BigInteger exp, java.math.BigInteger mod)  
      protected java.util.logging.Logger getLogger()  
      private static byte[] getSigFromISig​(java.math.BigInteger iSig, java.math.BigInteger modulus)  
      • Methods inherited from class java.security.SignatureSpi

        clone, engineGetParameters, engineInitSign, engineUpdate, engineVerify
      • Methods inherited from class java.lang.Object

        equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • pubKey

        private java.security.interfaces.RSAPublicKey pubKey
      • privKey

        private java.security.PrivateKey privKey
      • dig

        private java.security.MessageDigest dig
    • Constructor Detail

      • ISO9796p2

        public ISO9796p2()
    • Method Detail

      • getLogger

        protected java.util.logging.Logger getLogger()
      • engineGetParameter

        @Deprecated
        protected java.lang.Object engineGetParameter​(java.lang.String parameter)
        Deprecated.
        Specified by:
        engineGetParameter in class java.security.SignatureSpi
      • engineInitSign

        protected void engineInitSign​(java.security.PrivateKey privateKey)
        Specified by:
        engineInitSign in class java.security.SignatureSpi
      • engineInitVerify

        protected void engineInitVerify​(java.security.PublicKey publicKey)
        Specified by:
        engineInitVerify in class java.security.SignatureSpi
      • engineSetParameter

        @Deprecated
        protected void engineSetParameter​(java.lang.String param1,
                                          java.lang.Object value)
        Deprecated.
        Specified by:
        engineSetParameter in class java.security.SignatureSpi
      • engineSetParameter

        protected void engineSetParameter​(java.security.spec.AlgorithmParameterSpec param1)
                                   throws java.security.InvalidAlgorithmParameterException
        Overrides:
        engineSetParameter in class java.security.SignatureSpi
        Throws:
        java.security.InvalidAlgorithmParameterException
      • engineUpdate

        protected void engineUpdate​(byte b)
        Specified by:
        engineUpdate in class java.security.SignatureSpi
      • engineUpdate

        protected void engineUpdate​(byte[] b,
                                    int offset,
                                    int length)
        Specified by:
        engineUpdate in class java.security.SignatureSpi
      • engineSign

        protected int engineSign​(byte[] output,
                                 int offset,
                                 int len)
                          throws java.security.SignatureException
        Overrides:
        engineSign in class java.security.SignatureSpi
        Throws:
        java.security.SignatureException
      • engineSign

        protected byte[] engineSign()
        Specified by:
        engineSign in class java.security.SignatureSpi
      • getSigFromISig

        private static byte[] getSigFromISig​(java.math.BigInteger iSig,
                                             java.math.BigInteger modulus)
      • engineVerify

        protected boolean engineVerify​(byte[] sig)
        Specified by:
        engineVerify in class java.security.SignatureSpi
      • getJfromSig

        private static java.math.BigInteger getJfromSig​(java.math.BigInteger sig,
                                                        java.math.BigInteger exp,
                                                        java.math.BigInteger mod)
      • adjustJ

        private static java.math.BigInteger adjustJ​(java.math.BigInteger J,
                                                    java.math.BigInteger modulus)