Function TestKeyFile

src/twtest/keyfile_t.cpp:46–135

////////////////////////////////////////////////////////////////////////////////

void TestKeyFile()
{
    cDebug d("TestKeyFile");

    // test keyfile exceptions all work correctly
    d.TraceDebug("Testing expception strings, IGNORE THESE ERRORS...\n");
    cTWUtil::PrintErrorMsg(eKeyFile(_T("Testing only, ignore this.")));
    cTWUtil::PrintErrorMsg(eKeyFileInvalidFmt(_T("Testing only, ignore this.")));
    cTWUtil::PrintErrorMsg(eKeyFileBadPassphrase(_T("Testing only, ignore this.")));
    cTWUtil::PrintErrorMsg(eKeyFileArchive(_T("Testing only, ignore this.")));
    cTWUtil::PrintErrorMsg(eKeyFileUninitialized(_T("Testing only, ignore this.")));

    cKeyFile keyfile;

    d.TraceDebug("Generating keys...\n");
    std::string s = "haybaby";
    keyfile.GenerateKeys(cElGamalSig::KEY1024, (int8*)s.data(), 7);

    char plaintext[9000];
    char ciphertext[9000];
    memset(plaintext, 42, 9000);

    // encrypt
    d.TraceDebug("Encrypting...\n");
    {
        cElGamalSig elGamal(*keyfile.GetPublicKey());

        TEST(elGamal.GetBlockSizePlain() < 9000);
        TEST(elGamal.GetBlockSizeCipher() < 9000);
        std::string      s = "haybaby";
        cPrivateKeyProxy key;
        TEST(key.AquireKey(keyfile, (int8*)s.data(), 7));
        elGamal.SetSigning(key.GetKey());
        elGamal.ProcessBlock(plaintext, ciphertext);
    }

    // decrypt
    d.TraceDebug("Decrypting...\n");
    {
        cElGamalSig elGamal(*keyfile.GetPublicKey());
        char        recovered_text[9000];

        elGamal.SetVerifying(keyfile.GetPublicKey());
        elGamal.ProcessBlock(ciphertext, recovered_text);

        TEST(memcmp(recovered_text, plaintext, elGamal.GetBlockSizePlain()) == 0);
    }

    // save to and read from memory
    d.TraceDebug("Read/Write to memory...\n");
    {
        int8* pMem = new int8[keyfile.GetWriteLen()];
        keyfile.WriteMem(pMem);

        cKeyFile keyfile2;
        TEST(!keyfile2.KeysLoaded());
        keyfile2.ReadMem(pMem);
        TEST(keyfile2.KeysLoaded());