Class PrivateKeySignature

  • All Implemented Interfaces:
    ExternalSignature

    public class PrivateKeySignature
    extends java.lang.Object
    implements ExternalSignature
    Implementation of the ExternalSignature interface that can be used when you have a PrivateKey object.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.lang.String encryptionAlgorithm
      The encryption algorithm (obtained from the private key)
      private java.lang.String hashAlgorithm
      The hash algorithm.
      private java.security.PrivateKey pk
      The private key object.
      private java.lang.String provider
      The security provider
    • Constructor Summary

      Constructors 
      Constructor Description
      PrivateKeySignature​(java.security.PrivateKey pk, java.lang.String hashAlgorithm, java.lang.String provider)
      Creates an ExternalSignature instance
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String getEncryptionAlgorithm()
      Returns the encryption algorithm used for signing.
      java.lang.String getHashAlgorithm()
      Returns the hash algorithm.
      byte[] sign​(byte[] b)
      Signs it using the encryption algorithm in combination with the digest algorithm.
      • Methods inherited from class java.lang.Object

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

      • pk

        private java.security.PrivateKey pk
        The private key object.
      • hashAlgorithm

        private java.lang.String hashAlgorithm
        The hash algorithm.
      • encryptionAlgorithm

        private java.lang.String encryptionAlgorithm
        The encryption algorithm (obtained from the private key)
      • provider

        private java.lang.String provider
        The security provider
    • Constructor Detail

      • PrivateKeySignature

        public PrivateKeySignature​(java.security.PrivateKey pk,
                                   java.lang.String hashAlgorithm,
                                   java.lang.String provider)
        Creates an ExternalSignature instance
        Parameters:
        pk - a PrivateKey object
        hashAlgorithm - the hash algorithm (e.g. "SHA-1", "SHA-256",...)
        provider - the security provider (e.g. "BC")
    • Method Detail

      • sign

        public byte[] sign​(byte[] b)
                    throws java.security.GeneralSecurityException
        Signs it using the encryption algorithm in combination with the digest algorithm.
        Specified by:
        sign in interface ExternalSignature
        Parameters:
        message - the message you want to be hashed and signed
        Returns:
        a signed message digest
        Throws:
        java.security.GeneralSecurityException