org.webdocwf.util.smime.cms
Class RecipientInfos

java.lang.Object
  |
  +--org.webdocwf.util.smime.der.DERObject
        |
        +--org.webdocwf.util.smime.der.DERSetPr
              |
              +--org.webdocwf.util.smime.cms.RecipientInfos

public class RecipientInfos

extends DERSetPr

RecipientInfos class is DER encoded container, represented in ASN.1 notation according to RFC2630, used for storing individual information needed for all recipients of encrypted message. This information, beside other information, contain specifically encrypted symmetric key for all particular recipients.

RecipientInfos ::= SET OF RecipientInfo

RecipientInfo ::= CHOICE {

ktri KeyTransRecipientInfo,

kari [1] KeyAgreeRecipientInfo,

kekri [2] KEKRecipientInfo }

KeyTransRecipientInfo ::= SEQUENCE {

version CMSVersion, -- always set to 0 or 2

rid RecipientIdentifier,

keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,

encryptedKey EncryptedKey }

Constructor Summary

RecipientInfos(byte[] symKey0)
Input information for all recipients is the same: symmetric key.

Method Summary

void	addRecipient(java.security.cert.X509Certificate cert0) Adds Recipient via Key Transport Recipient Infos.

Methods inherited from class org.webdocwf.util.smime.der.DERSetPr

addContent

Methods inherited from class org.webdocwf.util.smime.der.DERObject

getContentOctets, getContentPartSize, getDEREncoded, getIdentifierOctet, getLengthOctets, getLengthPartSize, getTagClassType, getTagComplexity, getTagTypeNumber, getTotalSize

Methods inherited from class java.lang.Object

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

Constructor Detail

RecipientInfos

public RecipientInfos(byte[] symKey0)
               throws SMIMEException

Input information for all recipients is the same: symmetric key. This constructor is advisable to use.

Parameters:

symKey0 - symmetric key represented as byte array

Throws:

SMIMEException - thrown by super class constructor.

Method Detail

addRecipient

public void addRecipient(java.security.cert.X509Certificate cert0)
                  throws SMIMEException

Adds Recipient via Key Transport Recipient Infos. X509 certificate is used to obtain all information needed for construction and organise information about particular recipient of encrypted message.

Parameters:

cert0 - X509 certificate of partial recipient

Throws:

SMIMEException - thrown in super class addContent method.