de.buelowssiege.mail.pgp_mime.gpg
Class GnuPGBodyPartSigner

java.lang.Object
  |
  +--de.buelowssiege.mail.pgp_mime.gpg.GnuPGExecuter
        |
        +--de.buelowssiege.mail.pgp_mime.gpg.GnuPGBodyPartSigner

All Implemented Interfaces:

BodyPartSigner, BodyPartVerifier

public class GnuPGBodyPartSigner

extends GnuPGExecuter

implements BodyPartSigner, BodyPartVerifier

This implementation of the BodyPartSigner and BodyPartVerifier uses the GnuPG program to construct or verify the signature.

Version:

$Id: GnuPGBodyPartSigner.html,v 1.1 2004/02/11 12:51:34 mschwerin Exp $

Author:

Maximilian Schwerin

Field Summary

Fields inherited from class de.buelowssiege.mail.pgp_mime.gpg.GnuPGExecuter

binaryPath, logger, RETURN_BAD_SIGNATURE, RETURN_OK

Constructor Summary

GnuPGBodyPartSigner(java.lang.String binaryPath)
This constructor may only be used if we will only use the created instance to verify.

GnuPGBodyPartSigner(java.lang.String binaryPath, de.buelowssiege.mail.pgp_mime.PGPAuthenticator authenticator)
Use this constructor if the instance is supposed to be used for signing.

Method Summary

javax.mail.BodyPart	getContentPart() Returns the content part that was set earlier.
java.lang.String	getMICAlg() Returns the name of the Message Integrity Check (MIC) Algorithm used by the signature creating process.
javax.mail.BodyPart	getSignaturePart() Returns the body part containing the control information necessary to verify the digital signature.
java.lang.String	getVerifyMessages() Returns the messages that are returned by GnuPG when verifying a signed multipart
void	setContentPart(javax.mail.BodyPart contentPart) Sets the content part that is to be signed.
void	setSignaturePart(javax.mail.BodyPart signaturePart) Sets the body part, that contains the signature created over the content part.
void	sign() This method does the actual signing.
void	verify() This method does the actual verifying.

Methods inherited from class de.buelowssiege.mail.pgp_mime.gpg.GnuPGExecuter

createTempFile, joinProcess, readBodyPart, sendPassPhrase, startProcess, updateHeaders, writeBodyPart

Methods inherited from class java.lang.Object

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

Constructor Detail

GnuPGBodyPartSigner

public GnuPGBodyPartSigner(java.lang.String binaryPath,
                           de.buelowssiege.mail.pgp_mime.PGPAuthenticator authenticator)

Use this constructor if the instance is supposed to be used for signing.

GnuPGBodyPartSigner

public GnuPGBodyPartSigner(java.lang.String binaryPath)

This constructor may only be used if we will only use the created instance to verify. To sign it is necessary to specify an authenticator.

Method Detail

sign

public void sign()
          throws javax.mail.MessagingException

This method does the actual signing. The content part must have been set before executing this method.

Specified by:

sign in interface BodyPartSigner

javax.mail.MessagingException

verify

public void verify()
            throws javax.mail.MessagingException

This method does the actual verifying. Both the content part and the signature part must have been set.

Specified by:

verify in interface BodyPartVerifier

javax.mail.MessagingException

setContentPart

public void setContentPart(javax.mail.BodyPart contentPart)

Sets the content part that is to be signed.

Specified by:

setContentPart in interface BodyPartSigner

getContentPart

public javax.mail.BodyPart getContentPart()

Returns the content part that was set earlier.

Specified by:

getContentPart in interface BodyPartSigner

setSignaturePart

public void setSignaturePart(javax.mail.BodyPart signaturePart)

Sets the body part, that contains the signature created over the content part.

Specified by:

setSignaturePart in interface BodyPartVerifier

getSignaturePart

public javax.mail.BodyPart getSignaturePart()

Returns the body part containing the control information necessary to verify the digital signature.

Specified by:

getSignaturePart in interface BodyPartSigner

getMICAlg

public java.lang.String getMICAlg()

Returns the name of the Message Integrity Check (MIC) Algorithm used by the signature creating process.

Specified by:

getMICAlg in interface BodyPartSigner

getVerifyMessages

public java.lang.String getVerifyMessages()

Returns the messages that are returned by GnuPG when verifying a signed multipart