void PanamaCipherPolicy<B>::CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length)
{
assert(length==32);
this->Reset();
this->Iterate(1, m_key);
if (iv && IsAligned<word32>(iv))
this->Iterate(1, (const word32 *)iv);
else
{
FixedSizeSecBlock<word32, 8> buf;
if (iv)
memcpy(buf, iv, 32);
else
memset(buf, 0, 32);
this->Iterate(1, buf);
}
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2() && !IsP4()) // SSE2 code is slower on P4 Prescott
Panama_SSE2_Pull(32, this->m_state, NULL, NULL);
else
#endif
this->Iterate(32);
}
bool TestSettings()
{
bool pass = true;
cout << "\nTesting Settings...\n\n";
if (*(word32 *)"\x01\x02\x03\x04" == 0x04030201L)
{
#ifdef IS_LITTLE_ENDIAN
cout << "passed: ";
#else
cout << "FAILED: ";
pass = false;
#endif
cout << "Your machine is little endian.\n";
}
else if (*(word32 *)"\x01\x02\x03\x04" == 0x01020304L)
{
#ifndef IS_LITTLE_ENDIAN
cout << "passed: ";
#else
cout << "FAILED: ";
pass = false;
#endif
cout << "Your machine is big endian.\n";
}
else
{
cout << "FAILED: Your machine is neither big endian nor little endian.\n";
pass = false;
}
if (sizeof(byte) == 1)
cout << "passed: ";
else
{
cout << "FAILED: ";
pass = false;
}
cout << "sizeof(byte) == " << sizeof(byte) << endl;
if (sizeof(word16) == 2)
cout << "passed: ";
else
{
cout << "FAILED: ";
pass = false;
}
cout << "sizeof(word16) == " << sizeof(word16) << endl;
if (sizeof(word32) == 4)
cout << "passed: ";
else
{
cout << "FAILED: ";
pass = false;
}
cout << "sizeof(word32) == " << sizeof(word32) << endl;
#ifdef WORD64_AVAILABLE
if (sizeof(word64) == 8)
cout << "passed: ";
else
{
cout << "FAILED: ";
pass = false;
}
cout << "sizeof(word64) == " << sizeof(word64) << endl;
#elif defined(CRYPTOPP_NATIVE_DWORD_AVAILABLE)
if (sizeof(dword) >= 8)
{
cout << "FAILED: sizeof(dword) >= 8, but WORD64_AVAILABLE not defined" << endl;
pass = false;
}
else
cout << "passed: word64 not available" << endl;
#endif
#ifdef CRYPTOPP_WORD128_AVAILABLE
if (sizeof(word128) == 16)
cout << "passed: ";
else
{
cout << "FAILED: ";
pass = false;
}
cout << "sizeof(word128) == " << sizeof(word128) << endl;
#endif
if (sizeof(word) == 2*sizeof(hword)
#ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE
&& sizeof(dword) == 2*sizeof(word)
#endif
)
cout << "passed: ";
else
{
cout << "FAILED: ";
pass = false;
}
cout << "sizeof(hword) == " << sizeof(hword) << ", sizeof(word) == " << sizeof(word);
#ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE
cout << ", sizeof(dword) == " << sizeof(dword);
#endif
cout << endl;
bool hasMMX = HasMMX();
bool hasISSE = HasISSE();
bool hasSSE2 = HasSSE2();
bool hasSSSE3 = HasSSSE3();
bool isP4 = IsP4();
int cacheLineSize = GetCacheLineSize();
if ((isP4 && (!hasMMX || !hasSSE2)) || (hasSSE2 && !hasMMX) || (cacheLineSize < 16 || cacheLineSize > 256 || !IsPowerOf2(cacheLineSize)))
{
cout << "FAILED: ";
pass = false;
}
else
cout << "passed: ";
cout << "hasMMX == " << hasMMX << ", hasISSE == " << hasISSE << ", hasSSE2 == " << hasSSE2 << ", hasSSSE3 == " << hasSSSE3 << ", isP4 == " << isP4 << ", cacheLineSize == " << cacheLineSize;
if (!pass)
{
cout << "Some critical setting in config.h is in error. Please fix it and recompile." << endl;
abort();
}
return pass;
}