noscrypt impl prototype and some simple tests

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/NVault.Crypto.Noscrypt/src/INostrCrypto.cs b/lib/NVault.Crypto.Noscrypt/src/INostrCrypto.cs
new file mode 100644
index 0000000..11be0d0
--- /dev/null
+++ b/lib/NVault.Crypto.Noscrypt/src/INostrCrypto.cs
@@ -0,0 +1,32 @@
+// 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/>.
+
+namespace NVault.Crypto.Noscrypt
+{
+    public interface INostrCrypto
+    {
+        void GetPublicKey(ref readonly NCSecretKey secretKey, ref NCPublicKey publicKey);
+
+        bool ValidateSecretKey(ref readonly NCSecretKey secretKey);
+
+        void SignData(ref readonly NCSecretKey secretKey, ref readonly byte random32, ref readonly byte data, nint dataSize, ref byte sig64);
+
+        void VerifyData(ref readonly NCPublicKey pubKey, ref readonly byte data, nint dataSize, ref byte sig64);
+
+        void Encrypt(ref readonly NCSecretKey secretKey, ref readonly NCPublicKey publicKey, ref readonly byte nonce, ref readonly byte plainText, ref byte cipherText, uint size);
+
+        void Decrypt(ref readonly NCSecretKey secretKey, ref readonly NCPublicKey publicKey, ref readonly byte nonce, ref readonly byte cipherText, ref byte plainText, uint size);
+    }
+}