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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /other-licenses/7zstub/src/CPP/7zip/Crypto/7zAes.h | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/Crypto/7zAes.h')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/Crypto/7zAes.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Crypto/7zAes.h b/other-licenses/7zstub/src/CPP/7zip/Crypto/7zAes.h new file mode 100644 index 0000000000..5a09436079 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Crypto/7zAes.h @@ -0,0 +1,118 @@ +// 7zAes.h
+
+#ifndef __CRYPTO_7Z_AES_H
+#define __CRYPTO_7Z_AES_H
+
+#include "../../Common/MyBuffer.h"
+#include "../../Common/MyCom.h"
+#include "../../Common/MyVector.h"
+
+#include "../ICoder.h"
+#include "../IPassword.h"
+
+namespace NCrypto {
+namespace N7z {
+
+const unsigned kKeySize = 32;
+const unsigned kSaltSizeMax = 16;
+const unsigned kIvSizeMax = 16; // AES_BLOCK_SIZE;
+
+class CKeyInfo
+{
+public:
+ unsigned NumCyclesPower;
+ unsigned SaltSize;
+ Byte Salt[kSaltSizeMax];
+ CByteBuffer Password;
+ Byte Key[kKeySize];
+
+ bool IsEqualTo(const CKeyInfo &a) const;
+ void CalcKey();
+
+ CKeyInfo() { ClearProps(); }
+ void ClearProps()
+ {
+ NumCyclesPower = 0;
+ SaltSize = 0;
+ for (unsigned i = 0; i < sizeof(Salt); i++)
+ Salt[i] = 0;
+ }
+};
+
+class CKeyInfoCache
+{
+ unsigned Size;
+ CObjectVector<CKeyInfo> Keys;
+public:
+ CKeyInfoCache(unsigned size): Size(size) {}
+ bool GetKey(CKeyInfo &key);
+ void Add(const CKeyInfo &key);
+ void FindAndAdd(const CKeyInfo &key);
+};
+
+class CBase
+{
+ CKeyInfoCache _cachedKeys;
+protected:
+ CKeyInfo _key;
+ Byte _iv[kIvSizeMax];
+ unsigned _ivSize;
+
+ void PrepareKey();
+ CBase();
+};
+
+class CBaseCoder:
+ public ICompressFilter,
+ public ICryptoSetPassword,
+ public CMyUnknownImp,
+ public CBase
+{
+protected:
+ CMyComPtr<ICompressFilter> _aesFilter;
+
+public:
+ INTERFACE_ICompressFilter(;)
+
+ STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size);
+};
+
+#ifndef EXTRACT_ONLY
+
+class CEncoder:
+ public CBaseCoder,
+ public ICompressWriteCoderProperties,
+ // public ICryptoResetSalt,
+ public ICryptoResetInitVector
+{
+public:
+ MY_UNKNOWN_IMP4(
+ ICompressFilter,
+ ICryptoSetPassword,
+ ICompressWriteCoderProperties,
+ // ICryptoResetSalt,
+ ICryptoResetInitVector)
+ STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream);
+ // STDMETHOD(ResetSalt)();
+ STDMETHOD(ResetInitVector)();
+ CEncoder();
+};
+
+#endif
+
+class CDecoder:
+ public CBaseCoder,
+ public ICompressSetDecoderProperties2
+{
+public:
+ MY_UNKNOWN_IMP3(
+ ICompressFilter,
+ ICryptoSetPassword,
+ ICompressSetDecoderProperties2)
+ STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
+ CDecoder();
+};
+
+}}
+
+#endif
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