feat: Begin migrating noscrypt c# library

1 files changed, 36 insertions, 0 deletions

diff --git a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/Nip44Message.cs b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/Nip44Message.cs
new file mode 100644
index 0000000..b78530b
--- /dev/null
+++ b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/Nip44Message.cs
@@ -0,0 +1,36 @@
+// Copyright (C) 2024 Vaughn Nugent
+//
+// 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 the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+using System;
+
+namespace VNLib.Utils.Cryptography.Noscrypt
+{
+    public readonly ref struct Nip44Message(ReadOnlySpan<byte> payload)
+    {
+        readonly ReadOnlySpan<byte> _payload = payload;
+
+        public ReadOnlySpan<byte> Payload => _payload;
+
+        public ReadOnlySpan<byte> Nonce => Nip44Util.GetNonceFromPayload(_payload);
+
+        public ReadOnlySpan<byte> Ciphertext => Nip44Util.GetCiphertextFromPayload(_payload);
+
+        public ReadOnlySpan<byte> Mac => Nip44Util.GetMacFromPayload(_payload);
+
+        public ReadOnlySpan<byte> NonceAndCiphertext => Nip44Util.GetNonceAndCiphertext(_payload);
+
+        public byte Version => Nip44Util.GetMessageVersion(_payload);
+    }
+}