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/ZipStrong.h
+
+#ifndef ZIP7_INC_CRYPTO_ZIP_STRONG_H
+#define ZIP7_INC_CRYPTO_ZIP_STRONG_H
+
+#include "../../Common/MyBuffer2.h"
+
+#include "../IPassword.h"
+
+#include "MyAes.h"
+
+namespace NCrypto {
+namespace NZipStrong {
+
+/* ICompressFilter::Init() does nothing for this filter.
+  Call to init:
+    Decoder:
+      [CryptoSetPassword();]
+      ReadHeader();
+      [CryptoSetPassword();] Init_and_CheckPassword();
+      [CryptoSetPassword();] Init_and_CheckPassword();
+*/
+
+struct CKeyInfo
+{
+  Byte MasterKey[32];
+  UInt32 KeySize;
+  
+  void SetPassword(const Byte *data, UInt32 size);
+
+  void Wipe()
+  {
+    Z7_memset_0_ARRAY(MasterKey);
+  }
+};
+
+
+const unsigned kAesPadAllign = AES_BLOCK_SIZE;
+
+Z7_CLASS_IMP_COM_2(
+  CDecoder
+  , ICompressFilter
+  , ICryptoSetPassword
+)
+  CAesCbcDecoder *_cbcDecoder;
+  CMyComPtr<ICompressFilter> _aesFilter;
+  CKeyInfo _key;
+  CAlignedBuffer _bufAligned;
+
+  UInt32 _ivSize;
+  Byte _iv[16];
+  UInt32 _remSize;
+public:
+  HRESULT ReadHeader(ISequentialInStream *inStream, UInt32 crc, UInt64 unpackSize);
+  HRESULT Init_and_CheckPassword(bool &passwOK);
+  UInt32 GetPadSize(UInt32 packSize32) const
+  {
+    // Padding is to align to blockSize of cipher.
+    // Change it, if is not AES
+    return kAesPadAllign - (packSize32 & (kAesPadAllign - 1));
+  }
+  CDecoder();
+  ~CDecoder() { Wipe(); }
+  void Wipe()
+  {
+    Z7_memset_0_ARRAY(_iv);
+    _key.Wipe();
+  }
+};
+
+}}
+
+#endif