kz.gamma.cms
Class KeyTransRecipientInformation

java.lang.Object
  kz.gamma.cms.RecipientInformation
      kz.gamma.cms.KeyTransRecipientInformation

public class KeyTransRecipientInformation
extends RecipientInformation

the KeyTransRecipientInformation class for a recipient who has been sent a secret key encrypted using their public key that needs to be used to extract the message.

Field Summary

private AlgorithmIdentifier	_encAlg
private KeyTransRecipientInfo	_info

Fields inherited from class kz.gamma.cms.RecipientInformation

_data, _keyEncAlg, _rid

Constructor Summary

KeyTransRecipientInformation(KeyTransRecipientInfo info, AlgorithmIdentifier encAlg, java.io.InputStream data)

Method Summary

CMSTypedStream	getContentStream(java.security.Key key, java.lang.String prov) decrypt the content and return it as a byte array.
private java.lang.String	getExchangeEncryptionAlgorithmName(DERObjectIdentifier oid)

Methods inherited from class kz.gamma.cms.RecipientInformation

getContent, getContentFromSessionKey, getKeyEncryptionAlgOID, getKeyEncryptionAlgorithmParameters, getKeyEncryptionAlgParams, getRID

Methods inherited from class java.lang.Object

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

Field Detail

_info

private KeyTransRecipientInfo _info

_encAlg

private AlgorithmIdentifier _encAlg

Constructor Detail

KeyTransRecipientInformation

public KeyTransRecipientInformation(KeyTransRecipientInfo info,
                                    AlgorithmIdentifier encAlg,
                                    java.io.InputStream data)

Method Detail

getExchangeEncryptionAlgorithmName

private java.lang.String getExchangeEncryptionAlgorithmName(DERObjectIdentifier oid)

getContentStream

public CMSTypedStream getContentStream(java.security.Key key,
                                       java.lang.String prov)
                                throws CMSException,
                                       java.security.NoSuchProviderException

decrypt the content and return it as a byte array.

Specified by:

getContentStream in class RecipientInformation

Throws:

CMSException

java.security.NoSuchProviderException