From 8ee359108336f96ae0bac5f0dde998db54cd821f Mon Sep 17 00:00:00 2001
From: RD42 <42702181+dashr9230@users.noreply.github.com>
Date: Fri, 1 Dec 2023 20:53:12 +0800
Subject: [PATCH] [raknet] Implement TEABlockEncryptor ctor

---
 raknet/TEABlockEncryptor.cpp | 16 ++++++++++++++++
 raknet/TEABlockEncryptor.h   | 25 +++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 raknet/TEABlockEncryptor.cpp
 create mode 100644 raknet/TEABlockEncryptor.h

diff --git a/raknet/TEABlockEncryptor.cpp b/raknet/TEABlockEncryptor.cpp
new file mode 100644
index 0000000..bafe558
--- /dev/null
+++ b/raknet/TEABlockEncryptor.cpp
@@ -0,0 +1,16 @@
+// TODO: Implement TEABlockEncryptor.cpp
+
+#include "TEABlockEncryptor.h"
+
+#define TEA_ROUNDS		32
+#define TEA_XOR_MASK	0x5E94A3CF
+
+unsigned int TEABlockEncryptor::initObsDelta = (0x9E3779B9 ^ TEA_XOR_MASK);
+
+TEABlockEncryptor::TEABlockEncryptor()
+{
+	initDelta = initObsDelta ^ TEA_XOR_MASK;
+	initSum = initDelta * TEA_ROUNDS;
+
+	keySet = false;
+}
diff --git a/raknet/TEABlockEncryptor.h b/raknet/TEABlockEncryptor.h
new file mode 100644
index 0000000..75dc341
--- /dev/null
+++ b/raknet/TEABlockEncryptor.h
@@ -0,0 +1,25 @@
+// TODO: Implement TEABlockEncryptor.h
+
+#ifndef __TEA_BLOCK_ENCRYPTOR_H
+#define __TEA_BLOCK_ENCRYPTOR_H
+
+#include "DataBlockEncryptor.h"
+
+class TEABlockEncryptor :
+	public DataBlockEncryptor
+{
+
+public:
+
+	TEABlockEncryptor();
+
+protected:
+
+	unsigned int initSum;
+	unsigned int initDelta;
+
+	static unsigned int initObsDelta;
+
+};
+
+#endif