org.spongycastle.openpgp

Class PGPSignatureGenerator

java.lang.Object

org.spongycastle.openpgp.PGPSignatureGenerator

public class PGPSignatureGenerator
extends java.lang.Object

Generator for PGP Signatures.

Constructor Summary

Constructors

Constructor and Description
PGPSignatureGenerator(PGPContentSignerBuilder contentSignerBuilder) Create a signature generator built on the passed in contentSignerBuilder.

Method Summary

Methods

Modifier and Type	Method and Description
PGPSignature	generate() Return a signature object containing the current signature state.
PGPSignature	generateCertification(PGPPublicKey pubKey) Generate a certification, such as a revocation, for the passed in key.
PGPSignature	generateCertification(PGPPublicKey masterKey, PGPPublicKey pubKey) Generate a certification for the passed in key against the passed in master key.
PGPSignature	generateCertification(PGPUserAttributeSubpacketVector userAttributes, PGPPublicKey pubKey) Generate a certification for the passed in userAttributes
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	init(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(PGPContentSignerBuilder contentSignerBuilder)

Create a signature generator built on the passed in contentSignerBuilder.

Parameters:

contentSignerBuilder - builder to produce PGPContentSigner objects for generating signatures.

Method Detail

init

public void init(int signatureType,
        PGPPrivateKey key)
          throws PGPException

Initialise the generator for signing.

Parameters:

signatureType -

key -

Throws:

PGPException

update

public void update(byte b)

update

public void update(byte[] b)

update

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

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

Return a signature object containing the current signature state.

Returns:

PGPSignature

Throws:

PGPException

generateCertification

public PGPSignature generateCertification(java.lang.String id,
                                 PGPPublicKey pubKey)
                                   throws 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:

PGPException

generateCertification

public PGPSignature generateCertification(PGPUserAttributeSubpacketVector userAttributes,
                                 PGPPublicKey pubKey)
                                   throws PGPException

Generate a certification for the passed in userAttributes

Parameters:

userAttributes - the id we are certifying against the public key.

pubKey - the key we are certifying against the id.

Returns:

the certification.

Throws:

PGPException

generateCertification

public PGPSignature generateCertification(PGPPublicKey masterKey,
                                 PGPPublicKey pubKey)
                                   throws PGPException

Generate a certification for the passed in key against the passed in master key.

Parameters:

masterKey - the key we are certifying against.

pubKey - the key we are certifying.

Returns:

the certification.

Throws:

PGPException

generateCertification

public PGPSignature generateCertification(PGPPublicKey pubKey)
                                   throws PGPException

Generate a certification, such as a revocation, for the passed in key.

Parameters:

pubKey - the key we are certifying.

Returns:

the certification.

Throws:

PGPException