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-rw-r--r--src/libs/7zip/win/CPP/7zip/Crypto/Rar20Crypto.cpp133
1 files changed, 0 insertions, 133 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Crypto/Rar20Crypto.cpp b/src/libs/7zip/win/CPP/7zip/Crypto/Rar20Crypto.cpp
deleted file mode 100644
index c2df0e527..000000000
--- a/src/libs/7zip/win/CPP/7zip/Crypto/Rar20Crypto.cpp
+++ /dev/null
@@ -1,133 +0,0 @@
-// Crypto/Rar20Crypto.cpp
-
-#include "StdAfx.h"
-
-#include "../../../C/7zCrc.h"
-#include "../../../C/CpuArch.h"
-#include "../../../C/RotateDefs.h"
-
-#include "Rar20Crypto.h"
-
-namespace NCrypto {
-namespace NRar20 {
-
-static const int kNumRounds = 32;
-
-static const Byte InitSubstTable[256] = {
- 215, 19,149, 35, 73,197,192,205,249, 28, 16,119, 48,221, 2, 42,
- 232, 1,177,233, 14, 88,219, 25,223,195,244, 90, 87,239,153,137,
- 255,199,147, 70, 92, 66,246, 13,216, 40, 62, 29,217,230, 86, 6,
- 71, 24,171,196,101,113,218,123, 93, 91,163,178,202, 67, 44,235,
- 107,250, 75,234, 49,167,125,211, 83,114,157,144, 32,193,143, 36,
- 158,124,247,187, 89,214,141, 47,121,228, 61,130,213,194,174,251,
- 97,110, 54,229,115, 57,152, 94,105,243,212, 55,209,245, 63, 11,
- 164,200, 31,156, 81,176,227, 21, 76, 99,139,188,127, 17,248, 51,
- 207,120,189,210, 8,226, 41, 72,183,203,135,165,166, 60, 98, 7,
- 122, 38,155,170, 69,172,252,238, 39,134, 59,128,236, 27,240, 80,
- 131, 3, 85,206,145, 79,154,142,159,220,201,133, 74, 64, 20,129,
- 224,185,138,103,173,182, 43, 34,254, 82,198,151,231,180, 58, 10,
- 118, 26,102, 12, 50,132, 22,191,136,111,162,179, 45, 4,148,108,
- 161, 56, 78,126,242,222, 15,175,146, 23, 33,241,181,190, 77,225,
- 0, 46,169,186, 68, 95,237, 65, 53,208,253,168, 9, 18,100, 52,
- 116,184,160, 96,109, 37, 30,106,140,104,150, 5,204,117,112, 84
-};
-
-void CData::UpdateKeys(const Byte *data)
-{
- for (int i = 0; i < 16; i += 4)
- for (int j = 0; j < 4; j++)
- Keys[j] ^= g_CrcTable[data[i + j]];
-}
-
-static void Swap(Byte *b1, Byte *b2)
-{
- Byte b = *b1;
- *b1 = *b2;
- *b2 = b;
-}
-
-void CData::SetPassword(const Byte *password, UInt32 passwordLen)
-{
- Keys[0] = 0xD3A3B879L;
- Keys[1] = 0x3F6D12F7L;
- Keys[2] = 0x7515A235L;
- Keys[3] = 0xA4E7F123L;
-
- Byte psw[256];
- memset(psw, 0, sizeof(psw));
- memcpy(psw, password, passwordLen);
- memcpy(SubstTable, InitSubstTable, sizeof(SubstTable));
-
- for (UInt32 j = 0; j < 256; j++)
- for (UInt32 i = 0; i < passwordLen; i += 2)
- {
- UInt32 n2 = (Byte)g_CrcTable[(psw[i + 1] + j) & 0xFF];
- UInt32 n1 = (Byte)g_CrcTable[(psw[i] - j) & 0xFF];
- for (UInt32 k = 1; (n1 & 0xFF) != n2; n1++, k++)
- Swap(&SubstTable[n1 & 0xFF], &SubstTable[(n1 + i + k) & 0xFF]);
- }
- for (UInt32 i = 0; i < passwordLen; i+= 16)
- EncryptBlock(&psw[i]);
-}
-
-void CData::CryptBlock(Byte *buf, bool encrypt)
-{
- Byte inBuf[16];
- UInt32 A, B, C, D, T, TA, TB;
-
- A = GetUi32(buf + 0) ^ Keys[0];
- B = GetUi32(buf + 4) ^ Keys[1];
- C = GetUi32(buf + 8) ^ Keys[2];
- D = GetUi32(buf + 12) ^ Keys[3];
-
- if (!encrypt)
- memcpy(inBuf, buf, sizeof(inBuf));
-
- for (int i = 0; i < kNumRounds; i++)
- {
- UInt32 key = Keys[(encrypt ? i : (kNumRounds - 1 - i)) & 3];
- T = ((C + rotlFixed(D, 11)) ^ key);
- TA = A ^ SubstLong(T);
- T = ((D ^ rotlFixed(C, 17)) + key);
- TB = B ^ SubstLong(T);
- A = C;
- B = D;
- C = TA;
- D = TB;
- }
-
- SetUi32(buf + 0, C ^ Keys[0]);
- SetUi32(buf + 4, D ^ Keys[1]);
- SetUi32(buf + 8, A ^ Keys[2]);
- SetUi32(buf + 12, B ^ Keys[3]);
-
- UpdateKeys(encrypt ? buf : inBuf);
-}
-
-STDMETHODIMP CDecoder::CryptoSetPassword(const Byte *data, UInt32 size)
-{
- _cipher.SetPassword(data, size);
- return S_OK;
-}
-
-STDMETHODIMP CDecoder::Init()
-{
- return S_OK;
-}
-
-static const UInt32 kBlockSize = 16;
-
-STDMETHODIMP_(UInt32) CDecoder::Filter(Byte *data, UInt32 size)
-{
- if (size == 0)
- return 0;
- if (size < kBlockSize)
- return kBlockSize;
- UInt32 i;
- size -= kBlockSize;
- for (i = 0; i <= size; i += kBlockSize)
- _cipher.DecryptBlock(data + i);
- return i;
-}
-
-}}