Bump copyright year

Generator/ClassGenerator.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

Generator/ClusterGenerator.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

Generator/DataType.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

Generator/Generator.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

Generator/GeneratorUtil.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

Generator/StructParser.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

Generator/Tag.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Clusters/ClusterBase.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Clusters/UnknownCluster.cs

@@ -22,7 +22,7 @@ public UnknownCluster(uint cluster, ushort endPoint) : base(cluster, endPoint)
 
         public override string ToString()
         {
-            return $"Unknown Cluster: 0x{cluster:X2}";
+            return $"Unknown Cluster: 0x{cluster:X4}";
         }
     }
 }

MatterDotNet/Constants.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Messages/MCSP/MessageCounterSyncRequest.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Messages/MCSP/MessageCounterSyncResponse.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/PKI/Fabric.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
@@ -13,7 +13,6 @@
 using MatterDotNet.Protocol.Cryptography;
 using System.Buffers.Binary;
 using System.Formats.Asn1;
-using System.Globalization;
 using System.Security.Cryptography;
 using System.Security.Cryptography.X509Certificates;
 using System.Text;
@@ -30,6 +29,8 @@ public Fabric(ulong rcac, ulong fabricId, byte[] ipk) : base()
         {
             if (fabricId == 0)
                 throw new ArgumentException("Invalid Fabric ID");
+            if (ipk.Length != 16)
+                throw new ArgumentException("Epoch Key must be 16 bytes");
             this.RCAC = rcac;
             this.FabricID = fabricId;
             EpochKey = ipk;
@@ -54,20 +55,7 @@ protected Fabric(X509Certificate2 cert, byte[] ipk)
         {
             this.cert = cert;
             EpochKey = ipk;
-            foreach (X500RelativeDistinguishedName dn in cert.SubjectName.EnumerateRelativeDistinguishedNames(false))
-            {
-                switch (dn.GetSingleElementType().Value)
-                {
-                    case OID_RCAC:
-                            if (ulong.TryParse(dn.GetSingleElementValue()!, NumberStyles.HexNumber, null, out ulong rcac))
-                                RCAC = rcac;
-                            break;
-                        case OID_FabricID:
-                            if (ulong.TryParse(dn.GetSingleElementValue()!, NumberStyles.HexNumber, null, out ulong fabric))
-                                FabricID = fabric;
-                            break;
-                }
-            }
+            ParseCert();
             byte[] fabricIDBytes = new byte[8];
             BinaryPrimitives.WriteUInt64BigEndian(fabricIDBytes, FabricID);
             CompressedFabricID = Crypto.KDF(PublicKey.AsSpan(1), fabricIDBytes, COMPRESSED_FABRIC_INFO, 64);
@@ -172,6 +160,15 @@ public bool ContainsNOC(ulong nodeId)
             return null;
         }
 
+        public IEnumerable<OperationalCertificate> GetNodes()
+        {
+            foreach (OperationalCertificate node in nodes.Values)
+            {
+                if (node != Commissioner)
+                    yield return node;
+            }
+        }
+
         public byte[] ComputeDestinationID(byte[] random, ulong nodeId)
         {
             byte[] message = new byte[113];

MatterDotNet/PKI/OperationalCertificate.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
@@ -55,7 +55,7 @@ internal OperationalCertificate(X509Certificate2 cert)
             ParseCert();
         }
 
-        private void ParseCert()
+        protected void ParseCert()
         {
             foreach (X500RelativeDistinguishedName dn in cert.SubjectName.EnumerateRelativeDistinguishedNames(false))
             {
@@ -243,6 +243,10 @@ private static List<DnAttribute> GetDNs(X500DistinguishedName subject)
             return attrs;
         }
 
+        /// <summary>
+        /// Convert an operational certificate into a matter certificate
+        /// </summary>
+        /// <returns></returns>
         public MatterCertificate ToMatterCertificate()
         {
             List<Extension> extensions = new List<Extension>();
@@ -280,6 +284,10 @@ public MatterCertificate ToMatterCertificate()
             };
         }
 
+        /// <summary>
+        /// Convert an operational certificate into a matter certificate (in byte[] form)
+        /// </summary>
+        /// <returns></returns>
         public byte[] GetMatterCertBytes()
         {
             PayloadWriter payload = new PayloadWriter(600);
@@ -292,45 +300,58 @@ internal X509Certificate2 GetRaw()
             return cert;
         }
 
-        public byte[]? GetPrivateKey()
-        {
-            if (!cert.HasPrivateKey)
-                return null;
-            return cert.GetECDsaPrivateKey()?.ExportParameters(true).D;
-        }
-
+        /// <summary>
+        /// Compute an ECDsa Signature
+        /// </summary>
+        /// <param name="message"></param>
+        /// <returns></returns>
         public byte[]? SignData(byte[] message)
         {
             if (!cert.HasPrivateKey)
                 return null;
             return cert.GetECDsaPrivateKey()?.SignData(message, HashAlgorithmName.SHA256);
         }
 
+        /// <summary>
+        /// Verify an ECDsa Signature
+        /// </summary>
+        /// <param name="message"></param>
+        /// <param name="signature"></param>
+        /// <returns></returns>
         public bool VerifyData(byte[] message, byte[] signature)
         {
             return cert.GetECDsaPublicKey()?.VerifyData(message, signature, HashAlgorithmName.SHA256) ?? false;
         }
 
-        public string IssuerName { get; set; } = string.Empty;
+        public string IssuerName { get; private set; } = string.Empty;
 
-        public string CommonName { get; set; } = string.Empty;
+        public string CommonName { get; private set; } = string.Empty;
 
-        public ulong NodeID { get; set; }
+        public ulong NodeID { get; private set; }
 
-        public ulong FirmwareSigningID { get; set; }
+        public ulong FirmwareSigningID { get; private set; }
 
-        public ulong ICAC { get; set; }
+        public ulong ICAC { get; private set; }
 
-        public ulong RCAC { get; set; }
+        public ulong RCAC { get; protected set; }
 
-        public ulong FabricID { get; set; }
+        public ulong FabricID { get; protected set; }
 
-        public List<CASEAuthenticatedTag> Cats { get; set; } = [];
+        public List<CASEAuthenticatedTag> Cats { get; private set; } = [];
 
-        public uint VendorID { get; set; }
+        /// <summary>
+        /// Node Vendor ID
+        /// </summary>
+        public uint VendorID { get; private set; }
 
-        public uint ProductID { get; set; }
+        /// <summary>
+        /// Node Product ID
+        /// </summary>
+        public uint ProductID { get; private set; }
 
+        /// <summary>
+        /// Public ECDsa Key
+        /// </summary>
         public byte[] PublicKey { get { return cert.GetPublicKey(); } }
     }
 }

MatterDotNet/PayloadParser.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Connection/IConnection.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Connection/MRPConnection.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
@@ -106,8 +106,8 @@ public async Task SendFrame(Exchange exchange, Frame frame, bool reliable)
         public async Task SendAck(SessionContext? session, ushort exchange, uint counter, bool initiator)
         {
             Frame ack = new Frame(null, (byte)SecureOpCodes.MRPStandaloneAcknowledgement);
-            ack.SessionID = session?.RemoteSessionID ?? 0;
-            ack.Counter = session!.GetSessionCounter();
+            ack.SessionID = session!.RemoteSessionID;
+            ack.Counter = session.GetSessionCounter();
             ack.Message.ExchangeID = exchange;
             ack.Message.Flags = ExchangeFlags.Acknowledgement;
             if (initiator)

MatterDotNet/Protocol/Connection/Retransmission.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Connection/TCPConnection.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Cryptography/AesCtr.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Cryptography/BigIntegerPoint.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Cryptography/CTR_DRBG.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Cryptography/Crypto.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Cryptography/SPAKE2Plus.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Cryptography/SecP256.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/Flags/ExchangeFlags.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/Flags/MessageFlags.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/Flags/SecurityFlags.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/Frame.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/IPayload.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/OpCodes/BDXOpCodes.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/OpCodes/IMOpCodes.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/OpCodes/SecureOpCodes.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/OpCodes/UDCOpCodes.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/PayloadWriter.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/ProtocolType.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by

MatterDotNet/Protocol/Payloads/Status/BDXStatusCodes.cs

@@ -1,4 +1,4 @@
-// MatterDotNet Copyright (C) 2024 
+// MatterDotNet Copyright (C) 2025
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by