void xmlBranchLoad::DecodeLODs( ticpp::Element* pLODs )
{
//считать данные LOD'ов
try
{
ticpp::Iterator< ticpp::Element > pLOD( m_BranchNames.m_sLOD );
for ( pLOD = pLOD.begin( pLODs ); pLOD != pLOD.end(); pLOD++ )
{
int iNum = -1;
pLOD->GetAttribute( m_BranchNames.m_sNum , &iNum );
pLOD->GetAttribute( m_BranchNames.m_sAlfaTest , &m_pData->m_vBranch[ iNum ].m_fAlfa );
//считать координаты точки
DecodePoint( pLOD->FirstChildElement( m_BranchNames.m_sVertexs ) , iNum );
//считать индексы
DecodeStrips( pLOD->FirstChildElement( m_BranchNames.m_sStrips ) , iNum );
}
}
catch( ticpp::Exception& ex )
{
//If any function has an error, execution will enter here.
// Report the error
std::cout << ex.what();
}
}
EC2N::Point EC2N::BERDecodePoint(BufferedTransformation &bt) const
{
SecByteBlock str;
BERDecodeOctetString(bt, str);
Point P;
if (!DecodePoint(P, str, str.size))
BERDecodeError();
return P;
}
Ed25519 ()
{
q = CryptoPP::Integer::Power2 (255) - CryptoPP::Integer (19); // 2^255-19
l = CryptoPP::Integer::Power2 (252) + CryptoPP::Integer ("27742317777372353535851937790883648493");
// 2^252 + 27742317777372353535851937790883648493
d = CryptoPP::Integer (-121665) * CryptoPP::Integer (121666).InverseMod (q); // -121665/121666
I = a_exp_b_mod_c (CryptoPP::Integer::Two (), (q - CryptoPP::Integer::One ()).DividedBy (4), q);
B = DecodePoint (CryptoPP::Integer (4)*CryptoPP::Integer (5).InverseMod (q));
}
bool EC2N::DecodePoint(EC2N::Point &P, const byte *encodedPoint, unsigned int encodedPointLen) const
{
StringStore store(encodedPoint, encodedPointLen);
return DecodePoint(P, store, encodedPointLen);
}
CryptoPP::ECP::Point DecodePublicKey (const uint8_t * key) const
{
return DecodePoint (CryptoPP::Integer (key, 32));
}
bool ECP::DecodePoint(ECP::Point &P, const byte *encodedPoint, size_t encodedPointLen) const
{
StringStore store(encodedPoint, encodedPointLen);
return DecodePoint(P, store, encodedPointLen);
}