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/*
* (C) 2014,2015,2018 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#include "test_rng.h"
#if defined(BOTAN_HAS_CRYPTO_BOX)
#include <botan/cryptobox.h>
#include <botan/pem.h>
#endif
namespace Botan_Tests {
namespace {
#if defined(BOTAN_HAS_CRYPTO_BOX)
class Cryptobox_KAT final : public Text_Based_Test
{
public:
Cryptobox_KAT() : Text_Based_Test("cryptobox.vec", "Input,Passphrase,Salt,Output") {}
Test::Result run_one_test(const std::string&, const VarMap& vars) override
{
Test::Result result("Cryptobox");
const std::string password = vars.get_req_str("Passphrase");
const std::vector<uint8_t> input = vars.get_req_bin("Input");
const std::vector<uint8_t> salt = vars.get_req_bin("Salt");
const std::vector<uint8_t> expected = vars.get_req_bin("Output");
const std::string expected_pem = Botan::PEM_Code::encode(expected, "BOTAN CRYPTOBOX MESSAGE");
Fixed_Output_RNG salt_rng(salt);
const std::string ciphertext =
Botan::CryptoBox::encrypt(input.data(), input.size(), password, salt_rng);
result.test_eq("encryption is expected value", ciphertext, expected_pem);
result.test_eq("decryption works", Botan::CryptoBox::decrypt_bin(ciphertext, password), input);
// Now corrupt a bit and ensure it fails
try
{
const std::vector<uint8_t> corrupted = Test::mutate_vec(expected);
const std::string corrupted_pem = Botan::PEM_Code::encode(corrupted, "BOTAN CRYPTOBOX MESSAGE");
Botan::CryptoBox::decrypt(corrupted_pem, password);
result.test_failure("Decrypted corrupted cryptobox message", corrupted);
}
catch(Botan::Decoding_Error&)
{
result.test_success("Rejected corrupted cryptobox message");
}
catch(Botan::Invalid_Argument&)
{
result.test_success("Rejected corrupted cryptobox message");
}
return result;
}
};
BOTAN_REGISTER_TEST("cryptobox", Cryptobox_KAT);
#endif
}
}
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