feat: Begin migrating noscrypt c# library

1 files changed, 37 insertions, 0 deletions

diff --git a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCNip04EncryptionVersion.cs b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCNip04EncryptionVersion.cs
new file mode 100644
index 0000000..69234fe
--- /dev/null
+++ b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCNip04EncryptionVersion.cs
@@ -0,0 +1,37 @@
+// 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 static VNLib.Utils.Cryptography.Noscrypt.LibNoscrypt;
+
+namespace VNLib.Utils.Cryptography.Noscrypt
+{
+    /// <summary>
+    /// The NIP04 encryption version used by the Nostr protocol
+    /// </summary>
+    public sealed class NCNip04EncryptionVersion : IEncryptionVersion
+    {
+        /// <summary>
+        /// A static nip04 encryption version instance
+        /// </summary>
+        public static readonly NCNip04EncryptionVersion Instance = new();
+
+        ///<inheritdoc/>
+        uint IEncryptionVersion.Version => NC_ENC_VERSION_NIP04;
+        
+        ///<inheritdoc/>
+        int IEncryptionVersion.CalcBufferSize(int dataSize) => Nip04Util.CalcBufferSize(dataSize);        
+    }
+
+}