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/*
* (C) 2014,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#include <botan/lookup.h>
#include <botan/mac.h>
#include <botan/hex.h>
#include <iostream>
#include <fstream>
using namespace Botan;
namespace {
size_t mac_test(const std::string& algo,
const std::string& key_hex,
const std::string& in_hex,
const std::string& out_hex)
{
const std::vector<std::string> providers = get_mac_providers(algo);
size_t fails = 0;
if(providers.empty())
{
std::cout << "Unknown algo " << algo << std::endl;
++fails;
}
for(auto provider: providers)
{
std::unique_ptr<MessageAuthenticationCode> mac(get_mac(algo, provider));
if(!mac)
{
std::cout << "Unable to get " << algo << " from " << provider << std::endl;
++fails;
continue;
}
const std::vector<byte> in = hex_decode(in_hex);
const std::vector<byte> exp = hex_decode(out_hex);
mac->set_key(hex_decode(key_hex));
mac->update(in);
const std::vector<byte> out = unlock(mac->final());
if(out != exp)
{
std::cout << algo << " " << provider << " got " << hex_encode(out) << " != " << hex_encode(exp) << std::endl;
++fails;
}
if(in.size() > 2)
{
mac->set_key(hex_decode(key_hex));
mac->update(in[0]);
mac->update(&in[1], in.size() - 2);
mac->update(in[in.size()-1]);
const std::vector<byte> out2 = unlock(mac->final());
if(out2 != exp)
{
std::cout << algo << " " << provider << " got " << hex_encode(out2) << " != " << hex_encode(exp) << std::endl;
++fails;
}
}
}
return fails;
}
}
size_t test_mac()
{
auto test = [](const std::string& input)
{
std::ifstream vec(input);
return run_tests_bb(vec, "Mac", "Out", true,
[](std::map<std::string, std::string> m) -> size_t
{
return mac_test(m["Mac"], m["Key"], m["In"], m["Out"]);
});
};
return run_tests_in_dir(TEST_DATA_DIR "mac", test);
}
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