chore: initial commit (extracted from Launchers monorepo)

Plugin: ns7zip v2.0.0
Architectures: x86-ansi, x86-unicode, amd64-unicode
License: LGPL-2.1-or-later

versions/25.01/CPP/7zip/Crypto/RandGen.h

@@ -0,0 +1,41 @@
+// RandGen.h
+
+#ifndef ZIP7_INC_CRYPTO_RAND_GEN_H
+#define ZIP7_INC_CRYPTO_RAND_GEN_H
+
+#include "../../../C/Sha256.h"
+
+#ifdef _WIN64
+// #define USE_STATIC_SYSTEM_RAND
+#endif
+
+#ifdef USE_STATIC_SYSTEM_RAND
+
+#ifdef _WIN32
+#include <ntsecapi.h>
+#define MY_RAND_GEN(data, size) RtlGenRandom(data, size)
+#else
+#define MY_RAND_GEN(data, size) getrandom(data, size, 0)
+#endif
+
+#else
+
+class CRandomGenerator
+{
+  Byte _buff[SHA256_DIGEST_SIZE];
+  bool _needInit;
+
+  void Init();
+public:
+  CRandomGenerator(): _needInit(true) {}
+  void Generate(Byte *data, unsigned size);
+};
+
+MY_ALIGN (16)
+extern CRandomGenerator g_RandomGenerator;
+
+#define MY_RAND_GEN(data, size) g_RandomGenerator.Generate(data, size)
+
+#endif
+
+#endif