1 files changed, 38 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Services/Spl/IRandomInterface.cs b/src/Ryujinx.HLE/HOS/Services/Spl/IRandomInterface.cs
new file mode 100644
index 00000000..c911f434
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Services/Spl/IRandomInterface.cs
@@ -0,0 +1,38 @@
+using System.Security.Cryptography;
+
+namespace Ryujinx.HLE.HOS.Services.Spl
+{
+    [Service("csrng")]
+    class IRandomInterface : DisposableIpcService
+    {
+        private RandomNumberGenerator _rng;
+
+        private object _lock = new object();
+
+        public IRandomInterface(ServiceCtx context)
+        {
+            _rng = RandomNumberGenerator.Create();
+        }
+
+        [CommandCmif(0)]
+        // GetRandomBytes() -> buffer<unknown, 6>
+        public ResultCode GetRandomBytes(ServiceCtx context)
+        {
+            byte[] randomBytes = new byte[context.Request.ReceiveBuff[0].Size];
+
+            _rng.GetBytes(randomBytes);
+
+            context.Memory.Write(context.Request.ReceiveBuff[0].Position, randomBytes);
+
+            return ResultCode.Success;
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            if (isDisposing)
+            {
+                _rng.Dispose();
+            }
+        }
+    }
+}
+\ No newline at end of file