com.cms.crypto
Class AbstractEnvelopedDataProcessor

java.lang.Object
  com.cms.crypto.AbstractEnvelopedDataProcessor

Direct Known Subclasses:

EnvelopedDataForKeyAgreementWithMQV, EnvelopedDataForKeyTransport

public abstract class AbstractEnvelopedDataProcessor
extends java.lang.Object

Models the abstract concept of processing a value of the ASN.1 Cryptographic Message Syntax type EnvelopedData.

Version:

1.00 - 2006/01/26

Author:

support@phillipgriffin.com

Field Summary

protected CipherAlgorithmFactory	_cipherFactory
protected Codec	_codec
protected ContentEncryptionAlgorithmIdentifier	_contentEncryptionAlgorithmId
protected EnvelopedData	_envelopedData
protected javax.crypto.SecretKey	_secretKey
protected CMSVersion	_version

Constructor Summary

AbstractEnvelopedDataProcessor(CMSVersion version, Codec codec)
Constructor for AbstractEnvelopedDataProcessor with ASN.1 type EnvelopedData syntax version and encoding rules parameters .

Method Summary

protected Digest	createCertificateHash(java.security.cert.Certificate certificate, DigestAlgorithmIdentifier digestAlgorithm)
protected void	encryptContent(javax.crypto.SecretKey contentEncryptionKey, DigestAlgorithmIdentifier dai, ContentEncryptionAlgorithmIdentifier ceai, byte[] payload)
EnvelopedData	getEnvelopedData() Gets a value of ASN.1 type getEnvelopedData.

Methods inherited from class java.lang.Object

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

Field Detail

_version

protected CMSVersion _version

_codec

protected Codec _codec

_envelopedData

protected EnvelopedData _envelopedData

_secretKey

protected javax.crypto.SecretKey _secretKey

_contentEncryptionAlgorithmId

protected ContentEncryptionAlgorithmIdentifier _contentEncryptionAlgorithmId

_cipherFactory

protected CipherAlgorithmFactory _cipherFactory

Constructor Detail

AbstractEnvelopedDataProcessor

public AbstractEnvelopedDataProcessor(CMSVersion version,
                                      Codec codec)
                               throws CryptoException

Constructor for AbstractEnvelopedDataProcessor with ASN.1 type EnvelopedData syntax version and encoding rules parameters .

Parameters:

version - syntax version number

codec - ASN.1 encoding rules

Throws:

CryptoException

Method Detail

encryptContent

protected void encryptContent(javax.crypto.SecretKey contentEncryptionKey,
                              DigestAlgorithmIdentifier dai,
                              ContentEncryptionAlgorithmIdentifier ceai,
                              byte[] payload)
                       throws CryptoException

Throws:

CryptoException

getEnvelopedData

public EnvelopedData getEnvelopedData()

Gets a value of ASN.1 type getEnvelopedData.

Returns:

the current value of ASN.1 type EnvelopedData

createCertificateHash

protected Digest createCertificateHash(java.security.cert.Certificate certificate,
                                       DigestAlgorithmIdentifier digestAlgorithm)
                                throws CryptoException

Throws:

CryptoException