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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
| commit | 88083f8c683c18f4de68a20c863a82a9da65db8f (patch) | |
| tree | 926656892d9d80260da02ea8ea71031b140c51df /other-licenses/7zstub/src/CPP/7zip/Crypto/7zAes.h | |
| parent | f999f544aad04069b03704d994a99352263f600b (diff) | |
| parent | 843e4ceffd6ce21a6e6db37419335eafdc543e18 (diff) | |
| download | UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.gz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.lz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.xz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.zip | |
Merge branch 'master' into Sync-weave
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 000000000..5a0943607 --- /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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