Package org.bouncycastle.crypto.signers

Class RSADigestSigner

java.lang.Object
org.bouncycastle.crypto.signers.RSADigestSigner
All Implemented Interfaces:
Signer
public class RSADigestSigner
extends Object
implements Signer

  • Constructor Summary

    Constructors
    Constructor Description
    RSADigestSigner​(Digest digest)  

  • Method Summary

    Modifier and Type Method Description
    byte[] generateSignature()
    Generate a signature for the message we've been loaded with using the key we were initialised with.
    String getAlgorithmName()
    Deprecated. 
    void init​(boolean forSigning, CipherParameters parameters)
    initialise the signer for signing or verification.
    void reset()
    reset the internal state
    void update​(byte input)
    update the internal digest with the byte b
    void update​(byte[] input, int inOff, int length)
    update the internal digest with the byte array in
    boolean verifySignature​(byte[] signature)
    return true if the internal state represents the signature described in the passed in array.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • RSADigestSigner

      public RSADigestSigner​(Digest digest)

  • Method Details

    • getAlgorithmName

      public String getAlgorithmName()
      Deprecated.

    • init

      public void init​(boolean forSigning, CipherParameters parameters)
      initialise the signer for signing or verification.
      Specified by:
      init in interface Signer
      Parameters:
      forSigning - true if for signing, false otherwise
      parameters - necessary parameters.

    • update

      public void update​(byte input)
      update the internal digest with the byte b
      Specified by:
      update in interface Signer

    • update

      public void update​(byte[] input, int inOff, int length)
      update the internal digest with the byte array in
      Specified by:
      update in interface Signer

    • generateSignature

      public byte[] generateSignature() throws CryptoException, DataLengthException
      Generate a signature for the message we've been loaded with using the key we were initialised with.
      Specified by:
      generateSignature in interface Signer
      Throws:
      CryptoException
      DataLengthException

    • verifySignature

      public boolean verifySignature​(byte[] signature)
      return true if the internal state represents the signature described in the passed in array.
      Specified by:
      verifySignature in interface Signer

    • reset

      public void reset()
      Description copied from interface: Signer
      reset the internal state
      Specified by:
      reset in interface Signer