Exemple #1
0
void showP7zipInfo(CStdOutStream *so)
{
  if (!so)
    return;

  AString cpu_name;
  GetCpuName(cpu_name);
  cpu_name.Trim();

  int bits = int(sizeof(void *)) * 8;

  *so << "p7zip Version " << P7ZIP_VERSION << " (locale=" << my_getlocale() <<",Utf16=";
  if (global_use_utf16_conversion) *so << "on";
  else                             *so << "off";
  *so << ",HugeFiles=";
  if (sizeof(off_t) >= 8) *so << "on,";
  else                    *so << "off,";
  *so << bits << " bits,";
  int nbcpu = NWindows::NSystem::GetNumberOfProcessors();
  if (nbcpu > 1) *so << nbcpu << " CPUs ";
  else           *so << nbcpu << " CPU ";
  *so << cpu_name;

#ifdef _7ZIP_ASM
{
  const char * txt =",ASM";
  #ifdef MY_CPU_X86_OR_AMD64
  if (CPU_Is_Aes_Supported()) { txt =",ASM,AES-NI"; }
  #endif
  *so << txt;
}
#endif
    *so << ")\n\n";

}
Exemple #2
0
void AesGenTables(void)
{
  unsigned i;
  for (i = 0; i < 256; i++)
    InvS[Sbox[i]] = (Byte)i;
  for (i = 0; i < 256; i++)
  {
    {
      UInt32 a1 = Sbox[i];
      UInt32 a2 = xtime(a1);
      UInt32 a3 = a2 ^ a1;
      T[        i] = Ui32(a2, a1, a1, a3);
      T[0x100 + i] = Ui32(a3, a2, a1, a1);
      T[0x200 + i] = Ui32(a1, a3, a2, a1);
      T[0x300 + i] = Ui32(a1, a1, a3, a2);
    }
    {
      UInt32 a1 = InvS[i];
      UInt32 a2 = xtime(a1);
      UInt32 a4 = xtime(a2);
      UInt32 a8 = xtime(a4);
      UInt32 a9 = a8 ^ a1;
      UInt32 aB = a8 ^ a2 ^ a1;
      UInt32 aD = a8 ^ a4 ^ a1;
      UInt32 aE = a8 ^ a4 ^ a2;
      D[        i] = Ui32(aE, a9, aD, aB);
      D[0x100 + i] = Ui32(aB, aE, a9, aD);
      D[0x200 + i] = Ui32(aD, aB, aE, a9);
      D[0x300 + i] = Ui32(a9, aD, aB, aE);
    }
  }
  g_AesCbc_Encode = AesCbc_Encode;
  g_AesCbc_Decode = AesCbc_Decode;
  g_AesCtr_Code = AesCtr_Code;
  #ifdef MY_CPU_X86_OR_AMD64
  #ifdef P7ZIP_USE_ASM
  if (CPU_Is_Aes_Supported())
  {
    g_AesCbc_Encode = AesCbc_Encode_Intel;
    g_AesCbc_Decode = AesCbc_Decode_Intel;
    g_AesCtr_Code = AesCtr_Code_Intel;
  }
  #endif
  #endif
}