1 files changed, 144 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/asn1/x509/V1TBSCertificateGenerator.java b/core/src/main/java/org/spongycastle/asn1/x509/V1TBSCertificateGenerator.java
new file mode 100644
index 00000000..415cabc1
--- /dev/null
+++ b/core/src/main/java/org/spongycastle/asn1/x509/V1TBSCertificateGenerator.java
@@ -0,0 +1,144 @@
+package org.spongycastle.asn1.x509;
+
+import org.spongycastle.asn1.ASN1EncodableVector;
+import org.spongycastle.asn1.ASN1Integer;
+import org.spongycastle.asn1.ASN1UTCTime;
+import org.spongycastle.asn1.DERSequence;
+import org.spongycastle.asn1.DERTaggedObject;
+import org.spongycastle.asn1.x500.X500Name;
+
+/**
+ * Generator for Version 1 TBSCertificateStructures.
+ * <pre>
+ * TBSCertificate ::= SEQUENCE {
+ *      version          [ 0 ]  Version DEFAULT v1(0),
+ *      serialNumber            CertificateSerialNumber,
+ *      signature               AlgorithmIdentifier,
+ *      issuer                  Name,
+ *      validity                Validity,
+ *      subject                 Name,
+ *      subjectPublicKeyInfo    SubjectPublicKeyInfo,
+ *      }
+ * </pre>
+ *
+ */
+public class V1TBSCertificateGenerator
+{
+    DERTaggedObject         version = new DERTaggedObject(true, 0, new ASN1Integer(0));
+
+    ASN1Integer              serialNumber;
+    AlgorithmIdentifier     signature;
+    X500Name                issuer;
+    Time                    startDate, endDate;
+    X500Name                subject;
+    SubjectPublicKeyInfo    subjectPublicKeyInfo;
+
+    public V1TBSCertificateGenerator()
+    {
+    }
+
+    public void setSerialNumber(
+        ASN1Integer  serialNumber)
+    {
+        this.serialNumber = serialNumber;
+    }
+
+    public void setSignature(
+        AlgorithmIdentifier    signature)
+    {
+        this.signature = signature;
+    }
+
+        /**
+     * @deprecated use X500Name method
+     */
+    public void setIssuer(
+        X509Name    issuer)
+    {
+        this.issuer = X500Name.getInstance(issuer.toASN1Primitive());
+    }
+
+    public void setIssuer(
+        X500Name issuer)
+    {
+        this.issuer = issuer;
+    }
+
+    public void setStartDate(
+        Time startDate)
+    {
+        this.startDate = startDate;
+    }
+
+    public void setStartDate(
+        ASN1UTCTime startDate)
+    {
+        this.startDate = new Time(startDate);
+    }
+
+    public void setEndDate(
+        Time endDate)
+    {
+        this.endDate = endDate;
+    }
+
+    public void setEndDate(
+        ASN1UTCTime endDate)
+    {
+        this.endDate = new Time(endDate);
+    }
+
+    /**
+     * @deprecated use X500Name method
+     */
+    public void setSubject(
+        X509Name    subject)
+    {
+        this.subject = X500Name.getInstance(subject.toASN1Primitive());
+    }
+
+    public void setSubject(
+        X500Name subject)
+    {
+        this.subject = subject;
+    }
+
+    public void setSubjectPublicKeyInfo(
+        SubjectPublicKeyInfo    pubKeyInfo)
+    {
+        this.subjectPublicKeyInfo = pubKeyInfo;
+    }
+
+    public TBSCertificate generateTBSCertificate()
+    {
+        if ((serialNumber == null) || (signature == null)
+            || (issuer == null) || (startDate == null) || (endDate == null)
+            || (subject == null) || (subjectPublicKeyInfo == null))
+        {
+            throw new IllegalStateException("not all mandatory fields set in V1 TBScertificate generator");
+        }
+
+        ASN1EncodableVector  seq = new ASN1EncodableVector();
+
+        // seq.add(version); - not required as default value.
+        seq.add(serialNumber);
+        seq.add(signature);
+        seq.add(issuer);
+
+        //
+        // before and after dates
+        //
+        ASN1EncodableVector  validity = new ASN1EncodableVector();
+
+        validity.add(startDate);
+        validity.add(endDate);
+
+        seq.add(new DERSequence(validity));
+
+        seq.add(subject);
+
+        seq.add(subjectPublicKeyInfo);
+
+        return TBSCertificate.getInstance(new DERSequence(seq));
+    }
+}