Bouncy Castle Cryptography 1.23

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.
 PGPSignature generateCertification(java.lang.String id, PGPPublicKey pubKey)
          Generate a certification for the passed in id and key.
 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

update

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

update

public void update(byte[] b,
                   int off,
                   int len)
            throws 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 -  

generateCertification

public PGPSignature generateCertification(java.lang.String id,
                                          PGPPublicKey pubKey)
                                   throws java.security.SignatureException,
                                          PGPException
Generate a certification for the passed in id and key.
Parameters:
id - the id we are certifying against the public key.
pubKey - the key we are certifying against the id.
Returns:
the certification.
Throws:
java.security.SignatureException -  
PGPException -  

Bouncy Castle Cryptography 1.23