diff options
author | tjenssen <tim.jenssen@nokia.com> | 2012-03-13 13:38:26 +0100 |
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committer | Karsten Heimrich <karsten.heimrich@nokia.com> | 2012-03-13 17:35:19 +0100 |
commit | fea754a77e599328c0a7d0801792ae1b5bc155fc (patch) | |
tree | 74d1b6fe4c43ca93e71585ea0719ec0e342ea90b /installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Crypto/RarAes.cpp | |
parent | c1da312f182ad1b81a1f0ce627e4f9b3eddbf92b (diff) |
remove old 7zip version
Change-Id: I8fa14b3132599ddd164633ad932eff4ef7734c74
Reviewed-by: Karsten Heimrich <karsten.heimrich@nokia.com>
Diffstat (limited to 'installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Crypto/RarAes.cpp')
-rw-r--r-- | installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Crypto/RarAes.cpp | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Crypto/RarAes.cpp b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Crypto/RarAes.cpp deleted file mode 100644 index bbb4ccefb..000000000 --- a/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Crypto/RarAes.cpp +++ /dev/null @@ -1,139 +0,0 @@ -// Crypto/RarAes.cpp -// Note: you must include MyAes.cpp to project to initialize AES tables - -#include "StdAfx.h" - -#include "RarAes.h" -#include "Sha1.h" - -namespace NCrypto { -namespace NRar29 { - -CDecoder::CDecoder(): - _thereIsSalt(false), - _needCalculate(true), - _rar350Mode(false) -{ - for (int i = 0; i < sizeof(_salt); i++) - _salt[i] = 0; -} - -STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte *data, UInt32 size) -{ - bool thereIsSaltPrev = _thereIsSalt; - _thereIsSalt = false; - if (size == 0) - return S_OK; - if (size < 8) - return E_INVALIDARG; - _thereIsSalt = true; - bool same = false; - if (_thereIsSalt == thereIsSaltPrev) - { - same = true; - if (_thereIsSalt) - { - for (int i = 0; i < sizeof(_salt); i++) - if (_salt[i] != data[i]) - { - same = false; - break; - } - } - } - for (int i = 0; i < sizeof(_salt); i++) - _salt[i] = data[i]; - if (!_needCalculate && !same) - _needCalculate = true; - return S_OK; -} - -static const int kMaxPasswordLength = 127 * 2; - -STDMETHODIMP CDecoder::CryptoSetPassword(const Byte *data, UInt32 size) -{ - if (size > kMaxPasswordLength) - size = kMaxPasswordLength; - bool same = false; - if (size == buffer.GetCapacity()) - { - same = true; - for (UInt32 i = 0; i < size; i++) - if (data[i] != buffer[i]) - { - same = false; - break; - } - } - if (!_needCalculate && !same) - _needCalculate = true; - buffer.SetCapacity(size); - memcpy(buffer, data, size); - return S_OK; -} - -STDMETHODIMP CDecoder::Init() -{ - Calculate(); - Aes_SetKeyDecode(&Aes.aes, aesKey, kRarAesKeySize); - AesCbc_Init(&Aes, aesInit); - return S_OK; -} - -STDMETHODIMP_(UInt32) CDecoder::Filter(Byte *data, UInt32 size) -{ - return (UInt32)AesCbc_Decode(&Aes, data, size); -} - -void CDecoder::Calculate() -{ - if (_needCalculate) - { - const int kSaltSize = 8; - - Byte rawPassword[kMaxPasswordLength + kSaltSize]; - - memcpy(rawPassword, buffer, buffer.GetCapacity()); - - size_t rawLength = buffer.GetCapacity(); - - if (_thereIsSalt) - { - memcpy(rawPassword + rawLength, _salt, kSaltSize); - rawLength += kSaltSize; - } - - NSha1::CContext sha; - sha.Init(); - - // seems rar reverts hash for sha. - const int hashRounds = 0x40000; - int i; - for (i = 0; i < hashRounds; i++) - { - sha.Update(rawPassword, rawLength, _rar350Mode); - Byte pswNum[3] = { (Byte)i, (Byte)(i >> 8), (Byte)(i >> 16) }; - sha.Update(pswNum, 3, _rar350Mode); - if (i % (hashRounds / 16) == 0) - { - NSha1::CContext shaTemp = sha; - Byte digest[NSha1::kDigestSize]; - shaTemp.Final(digest); - aesInit[i / (hashRounds / 16)] = (Byte)digest[4 * 4 + 3]; - } - } - /* - // it's test message for sha - const char *message = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; - sha.Update((const Byte *)message, strlen(message)); - */ - Byte digest[20]; - sha.Final(digest); - for (i = 0; i < 4; i++) - for (int j = 0; j < 4; j++) - aesKey[i * 4 + j] = (digest[i * 4 + 3 - j]); - } - _needCalculate = false; -} - -}} |