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
2026-04-29 14:07:51 +02:00
commit d074cc7c07
3848 changed files with 1076682 additions and 0 deletions
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+// Crypto/ZipCrypto.h
+
+#ifndef ZIP7_INC_CRYPTO_ZIP_CRYPTO_H
+#define ZIP7_INC_CRYPTO_ZIP_CRYPTO_H
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+#include "../IPassword.h"
+
+namespace NCrypto {
+namespace NZip {
+
+const unsigned kHeaderSize = 12;
+
+/* ICompressFilter::Init() does nothing for this filter.
+  Call to init:
+    Encoder:
+      CryptoSetPassword();
+      WriteHeader();
+    Decoder:
+      [CryptoSetPassword();]
+      ReadHeader();
+      [CryptoSetPassword();] Init_and_GetCrcByte();
+      [CryptoSetPassword();] Init_and_GetCrcByte();
+*/
+
+class CCipher:
+  public ICompressFilter,
+  public ICryptoSetPassword,
+  public CMyUnknownImp
+{
+  Z7_COM_UNKNOWN_IMP_1(ICryptoSetPassword)
+  Z7_COM7F_IMP(Init())
+public:
+  Z7_IFACE_COM7_IMP(ICryptoSetPassword)
+protected:
+  UInt32 Key0;
+  UInt32 Key1;
+  UInt32 Key2;
+  
+  UInt32 KeyMem0;
+  UInt32 KeyMem1;
+  UInt32 KeyMem2;
+
+  void RestoreKeys()
+  {
+    Key0 = KeyMem0;
+    Key1 = KeyMem1;
+    Key2 = KeyMem2;
+  }
+
+public:
+  virtual ~CCipher()
+  {
+    Key0 = KeyMem0 =
+    Key1 = KeyMem1 =
+    Key2 = KeyMem2 = 0;
+  }
+};
+
+class CEncoder Z7_final: public CCipher
+{
+  Z7_COM7F_IMP2(UInt32, Filter(Byte *data, UInt32 size))
+public:
+  HRESULT WriteHeader_Check16(ISequentialOutStream *outStream, UInt16 crc);
+};
+
+class CDecoder Z7_final: public CCipher
+{
+  Z7_COM7F_IMP2(UInt32, Filter(Byte *data, UInt32 size))
+public:
+  Byte _header[kHeaderSize];
+  HRESULT ReadHeader(ISequentialInStream *inStream);
+  void Init_BeforeDecode();
+};
+
+}}
+
+#endif