Initial commit: wowee native WoW 3.3.5a client

include/auth/crypto.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <vector>
+#include <cstdint>
+#include <string>
+
+namespace wowee {
+namespace auth {
+
+class Crypto {
+public:
+    static std::vector<uint8_t> sha1(const std::vector<uint8_t>& data);
+    static std::vector<uint8_t> sha1(const std::string& data);
+
+    /**
+     * HMAC-SHA1 message authentication code
+     *
+     * @param key Secret key
+     * @param data Data to authenticate
+     * @return 20-byte HMAC-SHA1 hash
+     */
+    static std::vector<uint8_t> hmacSHA1(const std::vector<uint8_t>& key,
+                                          const std::vector<uint8_t>& data);
+};
+
+} // namespace auth
+} // namespace wowee