org.bouncycastle.cms

Class KeyAgreeRecipientInfoGenerator

java.lang.Object

org.bouncycastle.cms.KeyAgreeRecipientInfoGenerator

All Implemented Interfaces:

RecipientInfoGenerator

Direct Known Subclasses:

JceKeyAgreeRecipientInfoGenerator

public abstract class KeyAgreeRecipientInfoGenerator
extends java.lang.Object
implements RecipientInfoGenerator

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	KeyAgreeRecipientInfoGenerator(ASN1ObjectIdentifier keyAgreementOID, SubjectPublicKeyInfo originatorKeyInfo, ASN1ObjectIdentifier keyEncryptionOID)

Method Summary

Modifier and Type	Method and Description
protected OriginatorPublicKey	createOriginatorPublicKey(SubjectPublicKeyInfo originatorKeyInfo)
RecipientInfo	generate(org.bouncycastle.operator.GenericKey contentEncryptionKey)
protected abstract ASN1Sequence	generateRecipientEncryptedKeys(AlgorithmIdentifier keyAgreeAlgorithm, AlgorithmIdentifier keyEncAlgorithm, org.bouncycastle.operator.GenericKey contentEncryptionKey)
protected abstract byte[]	getUserKeyingMaterial(AlgorithmIdentifier keyAgreeAlgorithm)

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyAgreeRecipientInfoGenerator

protected KeyAgreeRecipientInfoGenerator(ASN1ObjectIdentifier keyAgreementOID,
                                         SubjectPublicKeyInfo originatorKeyInfo,
                                         ASN1ObjectIdentifier keyEncryptionOID)

Method Detail

generate

public RecipientInfo generate(org.bouncycastle.operator.GenericKey contentEncryptionKey)
                       throws CMSException

Specified by:

generate in interface RecipientInfoGenerator

Throws:

CMSException

createOriginatorPublicKey

protected OriginatorPublicKey createOriginatorPublicKey(SubjectPublicKeyInfo originatorKeyInfo)

generateRecipientEncryptedKeys

protected abstract ASN1Sequence generateRecipientEncryptedKeys(AlgorithmIdentifier keyAgreeAlgorithm,
                                                               AlgorithmIdentifier keyEncAlgorithm,
                                                               org.bouncycastle.operator.GenericKey contentEncryptionKey)
                                                        throws CMSException

Throws:

CMSException

getUserKeyingMaterial

protected abstract byte[] getUserKeyingMaterial(AlgorithmIdentifier keyAgreeAlgorithm)
                                         throws CMSException

Throws:

CMSException