Bouncy Castle Cryptography 1.21

org.bouncycastle.openpgp
Class PGPSignatureGenerator

java.lang.Object
  |
  +--org.bouncycastle.openpgp.PGPSignatureGenerator

public class PGPSignatureGenerator
extends java.lang.Object

Generator for PGP Signatures.


Constructor Summary
PGPSignatureGenerator(int keyAlgorithm, int hashAlgorithm, java.lang.String provider)
          Create a generator for the passed in keyAlgorithm and hashAlgorithm codes.
 
Method Summary
 PGPSignature generate()
          Return a signature object containing the current signature state.
 PGPOnePassSignature generateOnePassVersion(boolean isNested)
          Return the one pass header associated with the current signature.
 void initSign(int signatureType, PGPPrivateKey key)
          Initialise the generator for signing.
 void setHashedSubpackets(PGPSignatureSubpacketVector hashedPcks)
           
 void setUnhashedSubpackets(PGPSignatureSubpacketVector unhashedPcks)
           
 void update(byte b)
           
 void update(byte[] b)
           
 void update(byte[] b, int off, int len)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PGPSignatureGenerator

public PGPSignatureGenerator(int keyAlgorithm,
                             int hashAlgorithm,
                             java.lang.String provider)
                      throws java.security.NoSuchAlgorithmException,
                             java.security.NoSuchProviderException,
                             PGPException
Create a generator for the passed in keyAlgorithm and hashAlgorithm codes.

Parameters:
keyAlgorithm -
hashAlgorithm -
provider -
Throws:
java.security.NoSuchAlgorithmException
java.security.NoSuchProviderException
PGPException
Method Detail

initSign

public void initSign(int signatureType,
                     PGPPrivateKey key)
              throws PGPException
Initialise the generator for signing.

Parameters:
signatureType -
key -
Throws:
PGPException

update

public void update(byte b)
            throws java.security.SignatureException
java.security.SignatureException

update

public void update(byte[] b)
            throws java.security.SignatureException
java.security.SignatureException

update

public void update(byte[] b,
                   int off,
                   int len)
            throws java.security.SignatureException
java.security.SignatureException

setHashedSubpackets

public void setHashedSubpackets(PGPSignatureSubpacketVector hashedPcks)

setUnhashedSubpackets

public void setUnhashedSubpackets(PGPSignatureSubpacketVector unhashedPcks)

generateOnePassVersion

public PGPOnePassSignature generateOnePassVersion(boolean isNested)
                                           throws PGPException
Return the one pass header associated with the current signature.

Parameters:
isNested -
Returns:
PGPOnePassSignature
Throws:
PGPException

generate

public PGPSignature generate()
                      throws PGPException,
                             java.security.SignatureException
Return a signature object containing the current signature state.

Returns:
PGPSignature
Throws:
PGPException
java.security.SignatureException

Bouncy Castle Cryptography 1.21