1 files changed, 108 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/V1TBSCertificateGenerator.cs b/crypto/src/asn1/x509/V1TBSCertificateGenerator.cs
new file mode 100644
index 000000000..20b525a48
--- /dev/null
+++ b/crypto/src/asn1/x509/V1TBSCertificateGenerator.cs
@@ -0,0 +1,108 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+    /**
+     * 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
+    {
+        internal DerTaggedObject		version = new DerTaggedObject(0, new DerInteger(0));
+        internal DerInteger				serialNumber;
+        internal AlgorithmIdentifier	signature;
+        internal X509Name				issuer;
+        internal Time					startDate, endDate;
+        internal X509Name				subject;
+        internal SubjectPublicKeyInfo	subjectPublicKeyInfo;
+
+		public V1TbsCertificateGenerator()
+        {
+        }
+
+		public void SetSerialNumber(
+            DerInteger serialNumber)
+        {
+            this.serialNumber = serialNumber;
+        }
+
+		public void SetSignature(
+            AlgorithmIdentifier signature)
+        {
+            this.signature = signature;
+        }
+
+		public void SetIssuer(
+            X509Name issuer)
+        {
+            this.issuer = issuer;
+        }
+
+		public void SetStartDate(
+            Time startDate)
+        {
+            this.startDate = startDate;
+        }
+
+		public void SetStartDate(
+            DerUtcTime startDate)
+        {
+            this.startDate = new Time(startDate);
+        }
+
+		public void SetEndDate(
+            Time endDate)
+        {
+            this.endDate = endDate;
+        }
+
+		public void SetEndDate(
+            DerUtcTime endDate)
+        {
+            this.endDate = new Time(endDate);
+        }
+
+		public void SetSubject(
+            X509Name subject)
+        {
+            this.subject = subject;
+        }
+
+		public void SetSubjectPublicKeyInfo(
+            SubjectPublicKeyInfo pubKeyInfo)
+        {
+            this.subjectPublicKeyInfo = pubKeyInfo;
+        }
+
+		public TbsCertificateStructure GenerateTbsCertificate()
+        {
+            if ((serialNumber == null) || (signature == null)
+                || (issuer == null) || (startDate == null) || (endDate == null)
+                || (subject == null) || (subjectPublicKeyInfo == null))
+            {
+                throw new InvalidOperationException("not all mandatory fields set in V1 TBScertificate generator");
+            }
+
+			return new TbsCertificateStructure(
+				new DerSequence(
+					//version, - not required as default value
+					serialNumber,
+					signature,
+					issuer,
+					new DerSequence(startDate, endDate), // before and after dates
+					subject,
+					subjectPublicKeyInfo));
+        }
+    }
+}