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package org.bouncycastle.asn1.cmp;
import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1GeneralizedTime;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x509.GeneralName;
public class PKIHeader
extends ASN1Object
{
/**
* Value for a "null" recipient or sender.
*/
public static final GeneralName NULL_NAME = new GeneralName(X500Name.getInstance(new DERSequence()));
public static final int CMP_1999 = 1;
public static final int CMP_2000 = 2;
private ASN1Integer pvno;
private GeneralName sender;
private GeneralName recipient;
private ASN1GeneralizedTime messageTime;
private AlgorithmIdentifier protectionAlg;
private ASN1OctetString senderKID; // KeyIdentifier
private ASN1OctetString recipKID; // KeyIdentifier
private ASN1OctetString transactionID;
private ASN1OctetString senderNonce;
private ASN1OctetString recipNonce;
private PKIFreeText freeText;
private ASN1Sequence generalInfo;
private PKIHeader(ASN1Sequence seq)
{
Enumeration en = seq.getObjects();
pvno = ASN1Integer.getInstance(en.nextElement());
sender = GeneralName.getInstance(en.nextElement());
recipient = GeneralName.getInstance(en.nextElement());
while (en.hasMoreElements())
{
ASN1TaggedObject tObj = (ASN1TaggedObject)en.nextElement();
switch (tObj.getTagNo())
{
case 0:
messageTime = ASN1GeneralizedTime.getInstance(tObj, true);
break;
case 1:
protectionAlg = AlgorithmIdentifier.getInstance(tObj, true);
break;
case 2:
senderKID = ASN1OctetString.getInstance(tObj, true);
break;
case 3:
recipKID = ASN1OctetString.getInstance(tObj, true);
break;
case 4:
transactionID = ASN1OctetString.getInstance(tObj, true);
break;
case 5:
senderNonce = ASN1OctetString.getInstance(tObj, true);
break;
case 6:
recipNonce = ASN1OctetString.getInstance(tObj, true);
break;
case 7:
freeText = PKIFreeText.getInstance(tObj, true);
break;
case 8:
generalInfo = ASN1Sequence.getInstance(tObj, true);
break;
default:
throw new IllegalArgumentException("unknown tag number: " + tObj.getTagNo());
}
}
}
public static PKIHeader getInstance(Object o)
{
if (o instanceof PKIHeader)
{
return (PKIHeader)o;
}
if (o != null)
{
return new PKIHeader(ASN1Sequence.getInstance(o));
}
return null;
}
public PKIHeader(
int pvno,
GeneralName sender,
GeneralName recipient)
{
this(new ASN1Integer(pvno), sender, recipient);
}
private PKIHeader(
ASN1Integer pvno,
GeneralName sender,
GeneralName recipient)
{
this.pvno = pvno;
this.sender = sender;
this.recipient = recipient;
}
public ASN1Integer getPvno()
{
return pvno;
}
public GeneralName getSender()
{
return sender;
}
public GeneralName getRecipient()
{
return recipient;
}
public ASN1GeneralizedTime getMessageTime()
{
return messageTime;
}
public AlgorithmIdentifier getProtectionAlg()
{
return protectionAlg;
}
public ASN1OctetString getSenderKID()
{
return senderKID;
}
public ASN1OctetString getRecipKID()
{
return recipKID;
}
public ASN1OctetString getTransactionID()
{
return transactionID;
}
public ASN1OctetString getSenderNonce()
{
return senderNonce;
}
public ASN1OctetString getRecipNonce()
{
return recipNonce;
}
public PKIFreeText getFreeText()
{
return freeText;
}
public InfoTypeAndValue[] getGeneralInfo()
{
if (generalInfo == null)
{
return null;
}
InfoTypeAndValue[] results = new InfoTypeAndValue[generalInfo.size()];
for (int i = 0; i < results.length; i++)
{
results[i]
= InfoTypeAndValue.getInstance(generalInfo.getObjectAt(i));
}
return results;
}
/**
*
* PKIHeader ::= SEQUENCE {
* pvno INTEGER { cmp1999(1), cmp2000(2) },
* sender GeneralName,
* -- identifies the sender
* recipient GeneralName,
* -- identifies the intended recipient
* messageTime [0] GeneralizedTime OPTIONAL,
* -- time of production of this message (used when sender
* -- believes that the transport will be "suitable"; i.e.,
* -- that the time will still be meaningful upon receipt)
* protectionAlg [1] AlgorithmIdentifier OPTIONAL,
* -- algorithm used for calculation of protection bits
* senderKID [2] KeyIdentifier OPTIONAL,
* recipKID [3] KeyIdentifier OPTIONAL,
* -- to identify specific keys used for protection
* transactionID [4] OCTET STRING OPTIONAL,
* -- identifies the transaction; i.e., this will be the same in
* -- corresponding request, response, certConf, and PKIConf
* -- messages
* senderNonce [5] OCTET STRING OPTIONAL,
* recipNonce [6] OCTET STRING OPTIONAL,
* -- nonces used to provide replay protection, senderNonce
* -- is inserted by the creator of this message; recipNonce
* -- is a nonce previously inserted in a related message by
* -- the intended recipient of this message
* freeText [7] PKIFreeText OPTIONAL,
* -- this may be used to indicate context-specific instructions
* -- (this field is intended for human consumption)
* generalInfo [8] SEQUENCE SIZE (1..MAX) OF
* InfoTypeAndValue OPTIONAL
* -- this may be used to convey context-specific information
* -- (this field not primarily intended for human consumption)
* }
*
