Test::Result
PK_Encryption_Decryption_Test::run_one_test(const std::string&, const VarMap& vars)
{
const std::vector<uint8_t> plaintext = get_req_bin(vars, "Msg");
const std::vector<uint8_t> ciphertext = get_req_bin(vars, "Ciphertext");
const std::string padding = get_opt_str(vars, "Padding", default_padding(vars));
std::unique_ptr<Botan::RandomNumberGenerator> kat_rng;
if(vars.count("Nonce"))
{
kat_rng.reset(new Fixed_Output_RNG(get_req_bin(vars, "Nonce")));
}
Test::Result result(algo_name() + "/" + padding + " decryption");
std::unique_ptr<Botan::Private_Key> privkey = load_private_key(vars);
// instead slice the private key to work around elgamal test inputs
//std::unique_ptr<Botan::Public_Key> pubkey(Botan::X509::load_key(Botan::X509::BER_encode(*privkey)));
Botan::PK_Encryptor_EME encryptor(*privkey, padding);
result.test_eq("encryption", encryptor.encrypt(plaintext, kat_rng ? *kat_rng : Test::rng()), ciphertext);
Botan::PK_Decryptor_EME decryptor(*privkey, padding);
result.test_eq("decryption", decryptor.decrypt(ciphertext), plaintext);
check_invalid_ciphertexts(result, decryptor, plaintext, ciphertext);
return result;
}
Test::Result
PK_Encryption_Decryption_Test::run_one_test(const std::string&, const VarMap& vars)
{
const std::vector<uint8_t> plaintext = get_req_bin(vars, "Msg");
const std::vector<uint8_t> ciphertext = get_req_bin(vars, "Ciphertext");
const std::string padding = get_opt_str(vars, "Padding", default_padding(vars));
Test::Result result(algo_name() + "/" + padding + " decryption");
std::unique_ptr<Botan::Private_Key> privkey = load_private_key(vars);
// instead slice the private key to work around elgamal test inputs
//std::unique_ptr<Botan::Public_Key> pubkey(Botan::X509::load_key(Botan::X509::BER_encode(*privkey)));
Botan::Public_Key* pubkey = privkey.get();
for(auto&& enc_provider : possible_pk_providers())
{
std::unique_ptr<Botan::PK_Encryptor> encryptor;
try
{
encryptor.reset(new Botan::PK_Encryptor_EME(*pubkey, padding, enc_provider));
}
catch(Botan::Lookup_Error&)
{
//result.test_note("Skipping encryption with provider " + enc_provider);
continue;
}
std::unique_ptr<Botan::RandomNumberGenerator> kat_rng;
if(vars.count("Nonce"))
{
kat_rng.reset(new Fixed_Output_RNG(get_req_bin(vars, "Nonce")));
}
const std::vector<uint8_t> generated_ciphertext =
encryptor->encrypt(plaintext, kat_rng ? *kat_rng : Test::rng());
if(enc_provider == "base")
{
result.test_eq("generated ciphertext matches KAT", generated_ciphertext, ciphertext);
}
for(auto&& dec_provider : possible_pk_providers())
{
std::unique_ptr<Botan::PK_Decryptor> decryptor;
try
{
decryptor.reset(new Botan::PK_Decryptor_EME(*privkey, padding, dec_provider));
}
catch(Botan::Lookup_Error&)
{
//result.test_note("Skipping decryption with provider " + dec_provider);
continue;
}
result.test_eq("decryption of KAT", decryptor->decrypt(ciphertext), plaintext);
check_invalid_ciphertexts(result, *decryptor, plaintext, ciphertext);
result.test_eq("decryption of generated ciphertext",
decryptor->decrypt(generated_ciphertext), plaintext);
}
}
return result;
}
Test::Result
PK_Encryption_Decryption_Test::run_one_test(const std::string& pad_hdr, const VarMap& vars)
{
const std::vector<uint8_t> plaintext = get_req_bin(vars, "Msg");
const std::vector<uint8_t> ciphertext = get_req_bin(vars, "Ciphertext");
const std::string padding = choose_padding(vars, pad_hdr);
Test::Result result(algo_name() + (padding.empty() ? padding : "/" + padding) + " decryption");
std::unique_ptr<Botan::Private_Key> privkey = load_private_key(vars);
// instead slice the private key to work around elgamal test inputs
//std::unique_ptr<Botan::Public_Key> pubkey(Botan::X509::load_key(Botan::X509::BER_encode(*privkey)));
Botan::Public_Key* pubkey = privkey.get();
std::vector<std::unique_ptr<Botan::PK_Decryptor>> decryptors;
for(auto const& dec_provider : possible_providers(algo_name()))
{
std::unique_ptr<Botan::PK_Decryptor> decryptor;
try
{
decryptor.reset(new Botan::PK_Decryptor_EME(*privkey, Test::rng(), padding, dec_provider));
}
catch(Botan::Lookup_Error&)
{
continue;
}
Botan::secure_vector<uint8_t> decrypted;
try
{
decrypted = decryptor->decrypt(ciphertext);
}
catch(Botan::Exception& e)
{
result.test_failure("Failed to decrypt KAT ciphertext", e.what());
}
result.test_eq(dec_provider, "decryption of KAT", decrypted, plaintext);
check_invalid_ciphertexts(result, *decryptor, plaintext, ciphertext);
}
for(auto const& enc_provider : possible_providers(algo_name()))
{
std::unique_ptr<Botan::PK_Encryptor> encryptor;
try
{
encryptor.reset(new Botan::PK_Encryptor_EME(*pubkey, Test::rng(), padding, enc_provider));
}
catch(Botan::Lookup_Error&)
{
continue;
}
std::unique_ptr<Botan::RandomNumberGenerator> kat_rng;
if(vars.count("Nonce"))
{
kat_rng.reset(test_rng(get_req_bin(vars, "Nonce")));
}
if(padding == "Raw")
{
/*
Hack for RSA with no padding since sometimes one more bit will fit in but maximum_input_size
rounds down to nearest byte
*/
result.test_lte("Input within accepted bounds",
plaintext.size(), encryptor->maximum_input_size() + 1);
}
else
{
result.test_lte("Input within accepted bounds",
plaintext.size(), encryptor->maximum_input_size());
}
const std::vector<uint8_t> generated_ciphertext =
encryptor->encrypt(plaintext, kat_rng ? *kat_rng : Test::rng());
if(enc_provider == "base")
{
result.test_eq(enc_provider, "generated ciphertext matches KAT",
generated_ciphertext, ciphertext);
}
else if(generated_ciphertext != ciphertext)
{
for(std::unique_ptr<Botan::PK_Decryptor>& dec : decryptors)
{
result.test_eq("decryption of generated ciphertext",
dec->decrypt(generated_ciphertext), plaintext);
}
}
}
return result;
}
