void igs_m036_state::init_igsm312()
{
init_igs_m036();
igs036_decryptor decrypter(m312cn_key);
decrypter.decrypter_rom((uint16_t*)memregion("user1")->base(), memregion("user1")->bytes(), 0);
}
void endecryptFor1024bitKeyTest()
{
MPInteger encryptExponent("00010001");
MPInteger modulus(
"7ef57a896736682c97adea5669df5ce8764c05e3f00f5e5b882d1"
"1955e68ba46d61e65f97fac21df965e933157f269139a7a38078c"
"3c2e595a7ee17fa23cb562c00b9336dbea41555dc8a577d193106"
"4d4eff76e93dc5bdd4c531ac0603125d61cd7d91017adb97fc777"
"741f7680206e65a648875a3e93ff12ad26781d0e56d1");
MPInteger decryptExponent(
"0cae5448f928340b9032ecdf28c008b5a76b3c8361ed070db9725"
"6f9466ecb7c5bd2b978cc49d3305402aa4d196dbb151c2eecfdc4"
"0216d711f4ee6d23355120a1e59074a2408f457b216b8d90dd809"
"1947684d57ebff65c55bc2af13d7d84396de565c40513f02dce13"
"5e075a26835acc0f367dd2e58c5e2f9e370584e02481");
MPInteger plaintext = "abffe123f875b1f45da2b2ca";
PublicKey pubkey(encryptExponent, modulus);
PrivateKey privkey(decryptExponent, modulus);
RSA cipher(pubkey);
MPInteger ciphertext = cipher.encrypt(plaintext);
CPPUNIT_ASSERT(plaintext != ciphertext);
RSA decrypter(privkey);
MPInteger decrypttext = decrypter.decrypt(ciphertext);
CPPUNIT_ASSERT(plaintext == decrypttext);
}
DRIVER_INIT_MEMBER(igs_m036_state, igsm312)
{
DRIVER_INIT_CALL(igs_m036);
igs036_decryptor decrypter(m312cn_key);
decrypter.decrypter_rom(memregion("user1"));
}
DRIVER_INIT_MEMBER(igs_m036_state, cjddzsp)
{
DRIVER_INIT_CALL(igs_m036);
igs036_decryptor decrypter(cjddzsp_key);
decrypter.decrypter_rom(memregion("user1"));
}
schar * DecryptBinaryFile(const tstring & file, uint32 & size,
const std::function<schar*(const schar*, uint32&)> & decrypter,
DirectoryMode directory)
{
schar * buffer = ReadBinaryFile(file, size, directory);
schar * decryptedBuffer = decrypter(buffer, size);
delete [] buffer;
return decryptedBuffer;
}
QCA::SecureArray EncryptedStore::decryptFile(QCA::SecureArray & encryptedFile, KoEncryptedStore_EncryptionData & encData, QCA::SecureArray & password)
{
QCA::SecureArray keyhash = QCA::Hash("sha1").hash(password);
QCA::SymmetricKey key = QCA::PBKDF2("sha1").makeKey(keyhash, QCA::InitializationVector(encData.salt), 16, encData.iterationCount);
QCA::Cipher decrypter("blowfish", QCA::Cipher::CFB, QCA::Cipher::DefaultPadding, QCA::Decode, key, QCA::InitializationVector(encData.initVector));
QCA::SecureArray result = decrypter.update(encryptedFile);
result += decrypter.final();
return result;
}
