package org.bouncycastle.asn1.pkcs;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1Set;
import org.bouncycastle.asn1.DEREncodable;
import org.bouncycastle.asn1.DERInteger;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
import org.bouncycastle.asn1.x509.X509Name;
/**
* PKCS10 CertificationRequestInfo object.
* <pre>
* CertificationRequestInfo ::= SEQUENCE {
* version INTEGER { v1(0) } (v1,...),
* subject Name,
* subjectPKInfo SubjectPublicKeyInfo{{ PKInfoAlgorithms }},
* attributes [0] Attributes{{ CRIAttributes }}
* }
*
* Attributes { ATTRIBUTE:IOSet } ::= SET OF Attribute{{ IOSet }}
*
* Attribute { ATTRIBUTE:IOSet } ::= SEQUENCE {
* type ATTRIBUTE.&id({IOSet}),
* values SET SIZE(1..MAX) OF ATTRIBUTE.&Type({IOSet}{\@type})
* }
* </pre>
*/
public class CertificationRequestInfo
implements DEREncodable
{
DERInteger version = new DERInteger(0);
X509Name subject;
SubjectPublicKeyInfo subjectPKInfo;
ASN1Set attributes = null;
public static CertificationRequestInfo getInstance(
Object obj)
{
if (obj instanceof CertificationRequestInfo)
{
return (CertificationRequestInfo)obj;
}
else if (obj instanceof ASN1Sequence)
{
return new CertificationRequestInfo((ASN1Sequence)obj);
}
throw new IllegalArgumentException("unknown object in factory");
}
public CertificationRequestInfo(
X509Name subject,
SubjectPublicKeyInfo pkInfo,
ASN1Set attributes)
{
this.subject = subject;
this.subjectPKInfo = pkInfo;
this.attributes = attributes;
if ((subject == null) || (version == null) || (subjectPKInfo == null))
{
throw new IllegalArgumentException("Not all mandatory fields set in CertificationRequestInfo generator.");
}
}
public CertificationRequestInfo(
ASN1Sequence seq)
{
version = (DERInteger)seq.getObjectAt(0);
subject = X509Name.getInstance(seq.getObjectAt(1));
subjectPKInfo = SubjectPublicKeyInfo.getInstance(seq.getObjectAt(2));
//
// some CertificationRequestInfo objects seem to treat this field
// as optional.
//
if (seq.size() > 3)
{
DERTaggedObject tagobj = (DERTaggedObject)seq.getObjectAt(3);
attributes = ASN1Set.getInstance(tagobj, false);
}
if ((subject == null) || (version == null) || (subjectPKInfo == null))
{
throw new IllegalArgumentException("Not all mandatory fields set in CertificationRequestInfo generator.");
}
}
public DERInteger getVersion()
{
return version;
}
public X509Name getSubject()
{
return subject;
}
public SubjectPublicKeyInfo getSubjectPublicKeyInfo()
{
return subjectPKInfo;
}
public ASN1Set getAttributes()
{
return attributes;
}
public DERObject getDERObject()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(version);
v.add(subject);
v.add(subjectPKInfo);
if (attributes != null)
{
v.add(new DERTaggedObject(false, 0, attributes));
}
return new DERSequence(v);
}
}