1 files changed, 164 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/pkcs/CertificationRequestInfo.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/pkcs/CertificationRequestInfo.java
new file mode 100644
index 000000000..e63811030
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/pkcs/CertificationRequestInfo.java
@@ -0,0 +1,164 @@
+package org.spongycastle.asn1.pkcs;
+
+import org.spongycastle.asn1.ASN1EncodableVector;
+import org.spongycastle.asn1.ASN1Integer;
+import org.spongycastle.asn1.ASN1Object;
+import org.spongycastle.asn1.ASN1Primitive;
+import org.spongycastle.asn1.ASN1Sequence;
+import org.spongycastle.asn1.ASN1Set;
+import org.spongycastle.asn1.DERSequence;
+import org.spongycastle.asn1.DERTaggedObject;
+import org.spongycastle.asn1.x500.X500Name;
+import org.spongycastle.asn1.x509.SubjectPublicKeyInfo;
+import org.spongycastle.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
+    extends ASN1Object
+{
+    ASN1Integer              version = new ASN1Integer(0);
+    X500Name                subject;
+    SubjectPublicKeyInfo    subjectPKInfo;
+    ASN1Set                 attributes = null;
+
+    public static CertificationRequestInfo getInstance(
+        Object  obj)
+    {
+        if (obj instanceof CertificationRequestInfo)
+        {
+            return (CertificationRequestInfo)obj;
+        }
+        else if (obj != null)
+        {
+            return new CertificationRequestInfo(ASN1Sequence.getInstance(obj));
+        }
+
+        return null;
+    }
+
+    /**
+     * Basic constructor.
+     * <p>
+     * Note: Early on a lot of CAs would only accept messages with attributes missing. As the ASN.1 def shows
+     * the attributes field is not optional so should always at least contain an empty set. If a fully compliant
+     * request is required, pass in an empty set, the class will otherwise interpret a null as it should
+     * encode the request with the field missing.
+     * </p>
+     *
+     * @param subject subject to be associated with the public key
+     * @param pkInfo public key to be associated with subject
+     * @param attributes any attributes to be associated with the request.
+     */
+    public CertificationRequestInfo(
+        X500Name 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.");
+        }
+    }
+
+    /**
+     * @deprecated use X500Name method.
+     */
+    public CertificationRequestInfo(
+        X509Name                subject,
+        SubjectPublicKeyInfo    pkInfo,
+        ASN1Set                 attributes)
+    {
+        this.subject = X500Name.getInstance(subject.toASN1Primitive());
+        this.subjectPKInfo = pkInfo;
+        this.attributes = attributes;
+
+        if ((subject == null) || (version == null) || (subjectPKInfo == null))
+        {
+            throw new IllegalArgumentException("Not all mandatory fields set in CertificationRequestInfo generator.");
+        }
+    }
+
+    /**
+     * @deprecated use getInstance().
+     */
+    public CertificationRequestInfo(
+        ASN1Sequence  seq)
+    {
+        version = (ASN1Integer)seq.getObjectAt(0);
+
+        subject = X500Name.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 ASN1Integer getVersion()
+    {
+        return version;
+    }
+
+    public X500Name getSubject()
+    {
+        return subject;
+    }
+
+    public SubjectPublicKeyInfo getSubjectPublicKeyInfo()
+    {
+        return subjectPKInfo;
+    }
+
+    public ASN1Set getAttributes()
+    {
+        return attributes;
+    }
+
+    public ASN1Primitive toASN1Primitive()
+    {
+        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);
+    }
+}