Bouncy Castle Cryptography Library 1.80 · org.bouncycastle.cms.CMSAuthenticatedDataGenerator

General class for generating a CMS authenticated-data message.

A simple example of usage.

     CMSAuthenticatedDataGenerator  fact = new CMSAuthenticatedDataGenerator();

     adGen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(recipientCert).setProvider("BC"));

     CMSAuthenticatedData         data = fact.generate(new CMSProcessableByteArray(data),
                             new JceCMSMacCalculatorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build()));

Constructor Summary

Access	Constructor and Description
public	CMSAuthenticatedDataGenerator() base constructor

Method Summary

Modifier and Type	Method and Description
public CMSAuthenticatedData	Returns: the resulting CMSAuthenticatedData object. generate(CMSTypedData the data to have a MAC attached. typedData, MacCalculator the calculator of the MAC to be attached. macCalculator) Generate an authenticated data object from the passed in typedData and MacCalculator.
public CMSAuthenticatedData	Returns: the resulting CMSAuthenticatedData object. generate(CMSTypedData the data to have a MAC attached. typedData, MacCalculator the calculator of the MAC to be attached. macCalculator, final DigestCalculator calculator for computing digest of the encapsulated data. digestCalculator) Generate an authenticated data object from the passed in typedData and MacCalculator.

Inherited from org.bouncycastle.cms.CMSAuthenticatedGenerator:: getBaseParameters setAuthenticatedAttributeGenerator setUnauthenticatedAttributeGenerator

Constructor Detail

CMSAuthenticatedDataGenerator	back to summary
public CMSAuthenticatedDataGenerator() base constructor

Method Detail

generate	back to summary
public CMSAuthenticatedData generate(CMSTypedData typedData, MacCalculator macCalculator) throws CMSException Generate an authenticated data object from the passed in typedData and MacCalculator. Parameters typedData:CMSTypedData the data to have a MAC attached. macCalculator:MacCalculator the calculator of the MAC to be attached. Returns:CMSAuthenticatedData the resulting CMSAuthenticatedData object. Exceptions CMSException: on failure in encoding data or processing recipients.

generate

back to summary

public CMSAuthenticatedData generate(CMSTypedData typedData, MacCalculator macCalculator) throws CMSException

Generate an authenticated data object from the passed in typedData and MacCalculator.

Parameters

typedData:CMSTypedData: the data to have a MAC attached.
macCalculator:MacCalculator: the calculator of the MAC to be attached.

Returns:CMSAuthenticatedData

the resulting CMSAuthenticatedData object.

Exceptions

CMSException:: on failure in encoding data or processing recipients.

generate	back to summary
public CMSAuthenticatedData generate(CMSTypedData typedData, MacCalculator macCalculator, final DigestCalculator digestCalculator) throws CMSException Generate an authenticated data object from the passed in typedData and MacCalculator. Parameters typedData:CMSTypedData the data to have a MAC attached. macCalculator:MacCalculator the calculator of the MAC to be attached. digestCalculator:DigestCalculator calculator for computing digest of the encapsulated data. Returns:CMSAuthenticatedData the resulting CMSAuthenticatedData object. Exceptions CMSException: on failure in encoding data or processing recipients.