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/*
* (C) 2014,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#if defined(BOTAN_HAS_MODES)
#include <botan/hex.h>
#include <botan/cipher_mode.h>
#include <iostream>
#include <fstream>
#include <memory>
using namespace Botan;
namespace {
secure_vector<byte> run_mode(const std::string& algo,
Cipher_Dir dir,
const secure_vector<byte>& pt,
const secure_vector<byte>& nonce,
const secure_vector<byte>& key)
{
std::unique_ptr<Cipher_Mode> cipher(get_cipher_mode(algo, dir));
if(!cipher)
throw std::runtime_error("No cipher " + algo + " enabled in build");
cipher->set_key(key);
cipher->start(nonce);
secure_vector<byte> ct = pt;
cipher->finish(ct);
return ct;
}
size_t mode_test(const std::string& algo,
const std::string& pt,
const std::string& ct,
const std::string& key_hex,
const std::string& nonce_hex)
{
auto nonce = hex_decode_locked(nonce_hex);
auto key = hex_decode_locked(key_hex);
size_t fails = 0;
const std::string ct2 = hex_encode(run_mode(algo,
ENCRYPTION,
hex_decode_locked(pt),
nonce,
key));
if(ct != ct2)
{
std::cout << algo << " got ct " << ct2 << " expected " << ct << std::endl;
++fails;
}
const std::string pt2 = hex_encode(run_mode(algo,
DECRYPTION,
hex_decode_locked(ct),
nonce,
key));
if(pt != pt2)
{
std::cout << algo << " got pt " << pt2 << " expected " << pt << std::endl;
++fails;
}
return fails;
}
}
size_t test_modes()
{
auto test = [](const std::string& input)
{
std::ifstream vec(input);
return run_tests_bb(vec, "Mode", "Out", true,
[](std::map<std::string, std::string> m)
{
return mode_test(m["Mode"], m["In"], m["Out"], m["Key"], m["Nonce"]);
});
};
return run_tests_in_dir(TEST_DATA_DIR "/modes", test);
}
#else
SKIP_TEST(modes);
#endif // BOTAN_HAS_MODES
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