Module ibm.crypto.ibmjcehybrid
Package com.ibm.crypto.ibmjcehybrid.provider

Class SHA2withECDSAHybrid

  • public final class SHA2withECDSAHybrid
extends java.security.SignatureSpi
    This class is a facade for signatures using ECDSA with SHA2.

    • Field Summary

      • Fields inherited from class java.security.SignatureSpi

        appRandom

    • Constructor Summary

      Constructors 
      Constructor Description
      SHA2withECDSAHybrid()
      Creates an instance of the SHA2withECDSAHybrid class.

    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      protected java.lang.Object engineGetParameter​(java.lang.String key)
      Deprecated.
      Replaced by engineGetParameters()
      protected java.security.AlgorithmParameters engineGetParameters()
      Call the Signature object's getParameters().
      protected void engineInitSign​(java.security.PrivateKey privateKey)
      Initialize the RSA object with a RSA private key.
      protected void engineInitVerify​(java.security.PublicKey publicKey)
      Initialize the RSA object with a RSA public key.
      protected void engineSetParameter​(java.lang.String key, java.lang.Object param)
      Deprecated.
      Replaced by engineSetParameter(AlgorithmParameterSpec parmSpec)
      protected void engineSetParameter​(java.security.spec.AlgorithmParameterSpec parmSpec)
      engineSetParameter()
      protected byte[] engineSign()
      Get the message digest for all the data thus far updated, then sign the message digest.
      protected void engineUpdate​(byte b)
      Add a byte to the digest inside the signature -- this digest will be signed or verified.
      protected void engineUpdate​(byte[] data)
      Add an array of bytes to the digest inside the signature -- this digest will be signed or verified.
      protected void engineUpdate​(byte[] data, int off, int len)
      Add an array of bytes to the digest inside the signature -- this digest will be signed or verified.
      protected boolean engineVerify​(byte[] signature)
      Verify the signature (compare the result with the message digest inside the signature).
      protected boolean engineVerify​(byte[] signature, int off, int len)
      Verify the signature (compare the result with the message digest inside the signature).
      protected void getSignature()
      Creates an instance of the Signature.

      • Methods inherited from class java.security.SignatureSpi

        clone, engineInitSign, engineSign, engineUpdate

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • SHA2withECDSAHybrid

        public SHA2withECDSAHybrid()
                    throws java.lang.RuntimeException
        Creates an instance of the SHA2withECDSAHybrid class.
        Throws:
        java.lang.RuntimeException - Program error has occurred.

    • Method Detail

      • engineSetParameter

        @Deprecated
protected void engineSetParameter​(java.lang.String key,
                                  java.lang.Object param)
                           throws java.lang.UnsupportedOperationException
        Deprecated.
        Replaced by engineSetParameter(AlgorithmParameterSpec parmSpec)
        engineSetParameter()
        Specified by:
        engineSetParameter in class java.security.SignatureSpi
        Parameters:
        key - The key for computing (or verifying) the signature.
        param - Signature parameters.
        Throws:
        java.lang.UnsupportedOperationException - is always thrown see above.

      • engineSetParameter

        protected void engineSetParameter​(java.security.spec.AlgorithmParameterSpec parmSpec)
                           throws java.security.InvalidAlgorithmParameterException
        engineSetParameter()
        Overrides:
        engineSetParameter in class java.security.SignatureSpi
        Parameters:
        parmSpec - The key and value of the parameter
        Throws:
        java.lang.UnsupportedOperationException - is always thrown see above.
        java.security.InvalidAlgorithmParameterException

      • engineGetParameter

        @Deprecated
protected java.lang.Object engineGetParameter​(java.lang.String key)
                                       throws java.lang.UnsupportedOperationException
        Deprecated.
        Replaced by engineGetParameters()
        Call the Signature object's getParameter().
        Specified by:
        engineGetParameter in class java.security.SignatureSpi
        Parameters:
        key - The name of the parameter.
        Returns:
        the object representing the value of the specified parameter.
        Throws:
        java.lang.UnsupportedOperationException - if thrown by the object

      • engineGetParameters

        protected java.security.AlgorithmParameters engineGetParameters()
                                                         throws java.lang.UnsupportedOperationException
        Call the Signature object's getParameters().
        Overrides:
        engineGetParameters in class java.security.SignatureSpi
        Throws:
        java.lang.UnsupportedOperationException - if thrown by the object

      • engineInitSign

        protected void engineInitSign​(java.security.PrivateKey privateKey)
                       throws java.security.InvalidKeyException
        Initialize the RSA object with a RSA private key.
        Specified by:
        engineInitSign in class java.security.SignatureSpi
        Parameters:
        privateKey - the RSA private key.
        Throws:
        java.security.InvalidKeyException - if the key is not a valid RSA private key.

      • engineInitVerify

        protected void engineInitVerify​(java.security.PublicKey publicKey)
                         throws java.security.InvalidKeyException
        Initialize the RSA object with a RSA public key.
        Specified by:
        engineInitVerify in class java.security.SignatureSpi
        Parameters:
        publicKey - the RSA public key.
        Throws:
        java.security.InvalidKeyException - if the key is not a valid RSA public key.

      • engineUpdate

        protected void engineUpdate​(byte b)
        Add a byte to the digest inside the signature -- this digest will be signed or verified.
        Specified by:
        engineUpdate in class java.security.SignatureSpi
        Parameters:
        b - the byte to updated.

      • engineUpdate

        protected void engineUpdate​(byte[] data)
        Add an array of bytes to the digest inside the signature -- this digest will be signed or verified.
        Parameters:
        data - the array bytes to be added to the signature.

      • engineUpdate

        protected void engineUpdate​(byte[] data,
                            int off,
                            int len)
        Add an array of bytes to the digest inside the signature -- this digest will be signed or verified.
        Specified by:
        engineUpdate in class java.security.SignatureSpi
        Parameters:
        data - the array bytes to be added to the signature.
        off - the offset into the array to start the update.
        len - length of the array.

      • engineSign

        protected byte[] engineSign()
                     throws java.security.SignatureException
        Get the message digest for all the data thus far updated, then sign the message digest.
        Specified by:
        engineSign in class java.security.SignatureSpi
        Returns:
        the signature.
        Throws:
        java.security.SignatureException - if the signature object was not properly initialized, or if another exception occurs.

      • engineVerify

        protected boolean engineVerify​(byte[] signature)
                        throws java.security.SignatureException
        Verify the signature (compare the result with the message digest inside the signature).
        Specified by:
        engineVerify in class java.security.SignatureSpi
        Parameters:
        signature - the signature to be verified.
        Throws:
        java.security.SignatureException - if the signature object was not properly initialized, or if another exception occurs.

      • engineVerify

        protected boolean engineVerify​(byte[] signature,
                               int off,
                               int len)
                        throws java.security.SignatureException
        Verify the signature (compare the result with the message digest inside the signature).
        Overrides:
        engineVerify in class java.security.SignatureSpi
        Parameters:
        signature - the signature to be verified.
        off - the offset in signature[] of the signature to be verified.
        len - the numbers of bytes in the signature to be verified.
        Throws:
        java.security.SignatureException - if the signature object was not properly initialized, or if another exception occurs.

      • getSignature

        protected void getSignature()
        Creates an instance of the Signature.
        Throws:
        java.lang.RuntimeException - if this method fails to create and to initialize the message digest within the signature.