void TripleDESCryptor::Decrypt(const char* input, char* output, size_t length) const
{
int n = 0;
DES_cblock ivec = {0};
DES_key_schedule ks1(ks1_);
DES_key_schedule ks2(ks2_);
DES_key_schedule ks3(ks3_);
DES_ede3_cfb64_encrypt((const unsigned char*)input, (unsigned char*)output, length, &ks1, &ks2, &ks3, &ivec, &n, DES_DECRYPT);
}
bool tryConnectLocal()
{
KExtendedSocket ks1("::", "0", KExtendedSocket::ipv6Socket | KExtendedSocket::passiveSocket), ks2;
const KInetSocketAddress *ksin1, *ksin2;
printf("Attempting a loop-back connection\n\tTrying to listen on socket...");
if(ks1.listen() != 0)
{
printf("failed\n\tReason was: %s\n", (const char *)KExtendedSocket::strError(ks1.status(), ks1.systemError()).local8Bit());
return false;
}
ks1.setBlockingMode(false);
ksin1 = (KInetSocketAddress *)ks1.localAddress();
printf("succeeded\n\tWe have socket %s listening\n", (const char *)ksin1->pretty().local8Bit());
ks2.setAddress("::1", ksin1->port());
ks2.setSocketFlags(KExtendedSocket::ipv6Socket | KExtendedSocket::noResolve);
printf("\tTrying to connect to that socket...");
if(ks2.connect() != 0)
{
printf("failed\n\tReason was: %s\n", (const char *)KExtendedSocket::strError(ks2.status(), ks2.systemError()).local8Bit());
return false;
}
printf("suceeded\n");
ksin2 = dynamic_cast< const KInetSocketAddress * >(ks2.localAddress());
printf(
"\tIf you may flip to another terminal/xterm and run netstat to see\n"
"\tthis connection. It should be a connection from %s to %s.\n"
"\tPress any key to continue\n",
(const char *)ksin2->pretty().local8Bit(), (const char *)ksin1->pretty().local8Bit());
getchar();
return true;
}
