From 4e1523b0c06c2f511261802ce493634e909ef140 Mon Sep 17 00:00:00 2001
From: Joseph Doherty <dohertj2@Josephs-MacBook-Pro.local>
Date: Sat, 3 Jan 2026 08:12:57 -0500
Subject: [PATCH] feat(core): add IRsaKeyService interface

---
 .../Interfaces/IRsaKeyService.cs              | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 NEW/src/JdeScoping.Core/Interfaces/IRsaKeyService.cs

diff --git a/NEW/src/JdeScoping.Core/Interfaces/IRsaKeyService.cs b/NEW/src/JdeScoping.Core/Interfaces/IRsaKeyService.cs
new file mode 100644
index 0000000..ea34537
--- /dev/null
+++ b/NEW/src/JdeScoping.Core/Interfaces/IRsaKeyService.cs
@@ -0,0 +1,19 @@
+namespace JdeScoping.Core.Interfaces;
+
+/// <summary>
+/// RSA key management for login encryption.
+/// </summary>
+public interface IRsaKeyService
+{
+    /// <summary>
+    /// Gets the server's public key in PEM format.
+    /// </summary>
+    string GetPublicKeyPem();
+
+    /// <summary>
+    /// Decrypts RSA-OAEP encrypted data.
+    /// </summary>
+    /// <param name="ciphertext">Encrypted bytes</param>
+    /// <returns>Decrypted plaintext bytes</returns>
+    byte[] Decrypt(byte[] ciphertext);
+}