1 files changed, 81 insertions, 0 deletions
diff --git a/Crypto/src/asn1/pkcs/CertificationRequest.cs b/Crypto/src/asn1/pkcs/CertificationRequest.cs
new file mode 100644
index 000000000..32b1612d2
--- /dev/null
+++ b/Crypto/src/asn1/pkcs/CertificationRequest.cs
@@ -0,0 +1,81 @@
+using System;
+
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Pkcs
+{
+    /**
+     * Pkcs10 Certfication request object.
+     * <pre>
+     * CertificationRequest ::= Sequence {
+     *   certificationRequestInfo  CertificationRequestInfo,
+     *   signatureAlgorithm        AlgorithmIdentifier{{ SignatureAlgorithms }},
+     *   signature                 BIT STRING
+     * }
+     * </pre>
+     */
+    public class CertificationRequest
+        : Asn1Encodable
+    {
+        protected CertificationRequestInfo	reqInfo;
+        protected AlgorithmIdentifier		sigAlgId;
+        protected DerBitString				sigBits;
+
+		public static CertificationRequest GetInstance(
+			object obj)
+		{
+			if (obj is CertificationRequest)
+				return (CertificationRequest)obj;
+
+			if (obj != null)
+				return new CertificationRequest((Asn1Sequence)obj);
+
+			return null;
+		}
+
+		protected CertificationRequest()
+        {
+        }
+
+		public CertificationRequest(
+            CertificationRequestInfo	requestInfo,
+            AlgorithmIdentifier			algorithm,
+            DerBitString				signature)
+        {
+            this.reqInfo = requestInfo;
+            this.sigAlgId = algorithm;
+            this.sigBits = signature;
+        }
+
+		public CertificationRequest(
+            Asn1Sequence seq)
+        {
+			if (seq.Count != 3)
+				throw new ArgumentException("Wrong number of elements in sequence", "seq");
+
+			reqInfo = CertificationRequestInfo.GetInstance(seq[0]);
+            sigAlgId = AlgorithmIdentifier.GetInstance(seq[1]);
+            sigBits = DerBitString.GetInstance(seq[2]);
+        }
+
+		public CertificationRequestInfo GetCertificationRequestInfo()
+        {
+            return reqInfo;
+        }
+
+		public AlgorithmIdentifier SignatureAlgorithm
+		{
+			get { return sigAlgId; }
+		}
+
+		public DerBitString Signature
+		{
+			get { return sigBits; }
+		}
+
+		public override Asn1Object ToAsn1Object()
+        {
+			return new DerSequence(reqInfo, sigAlgId, sigBits);
+        }
+    }
+}