1 files changed, 47 insertions, 0 deletions
diff --git a/crypto/src/crmf/CertificateRepMessageBuilder.cs b/crypto/src/crmf/CertificateRepMessageBuilder.cs
new file mode 100644
index 000000000..439d98b93
--- /dev/null
+++ b/crypto/src/crmf/CertificateRepMessageBuilder.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+
+using Org.BouncyCastle.Asn1.Cmp;
+using Org.BouncyCastle.X509;
+
+namespace Org.BouncyCastle.Crmf
+{
+    /// <summary>Builder for a CertificateRepMessage.</summary>
+    public class CertificateRepMessageBuilder
+    {
+        private readonly List<CertResponse> m_responses = new List<CertResponse>();
+        private readonly CmpCertificate[] m_caCerts;
+
+        /**
+         * Base constructor which can accept 0 or more certificates representing the CA plus its chain.
+         *
+         * @param caCerts the CA public key and it's support certificates (optional)
+         */
+        public CertificateRepMessageBuilder(params X509Certificate[] caCerts)
+        {
+            m_caCerts = Array.ConvertAll(caCerts, caCert => new CmpCertificate(caCert.CertificateStructure));
+        }
+
+        public virtual CertificateRepMessageBuilder AddCertificateResponse(CertificateResponse response)
+        {
+            m_responses.Add(response.ToAsn1Structure());
+            return this;
+        }
+
+        public virtual CertificateRepMessage Build()
+        {
+            var caPubs = m_caCerts;
+            if (caPubs.Length < 1)
+            {
+                // older versions of CertRepMessage need null if no caCerts.
+                caPubs = null;
+            }
+
+            CertRepMessage repMessage = new CertRepMessage(caPubs, m_responses.ToArray());
+
+            m_responses.Clear();
+
+            return new CertificateRepMessage(repMessage);
+        }
+    }
+}