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/*
* (C) 2014,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#include "test_rng.h"
#if defined(BOTAN_HAS_HMAC_DRBG)
#include <botan/hmac_drbg.h>
#endif
#if defined(BOTAN_HAS_X931_RNG)
#include <botan/x931_rng.h>
#endif
namespace Botan_Tests {
namespace {
#if defined(BOTAN_HAS_X931_RNG)
class X931_RNG_Tests : public Text_Based_Test
{
public:
X931_RNG_Tests() : Text_Based_Test("x931.vec", {"IKM", "Out"}) {}
Test::Result run_one_test(const std::string& algo, const VarMap& vars) override
{
const std::vector<uint8_t> ikm = get_req_bin(vars, "IKM");
const std::vector<uint8_t> expected = get_req_bin(vars, "Out");
Test::Result result("X9.31-RNG(" + algo + ")");
std::unique_ptr<Botan::BlockCipher> bc = Botan::BlockCipher::create(algo);
if(!bc)
{
result.note_missing("X9.31 cipher " + algo);
return result;
}
Botan::ANSI_X931_RNG rng(bc.release(), new Fixed_Output_RNG(ikm));
std::vector<uint8_t> output(expected.size());
rng.randomize(output.data(), output.size());
result.test_eq("rng", output, expected);
return result;
}
};
BOTAN_REGISTER_TEST("x931_rng", X931_RNG_Tests);
#endif
#if defined(BOTAN_HAS_HMAC_DRBG)
class HMAC_DRBG_Tests : public Text_Based_Test
{
public:
HMAC_DRBG_Tests() : Text_Based_Test("hmac_drbg.vec",
{"EntropyInput", "EntropyInputReseed", "Out"},
{"AdditionalInput1", "AdditionalInput2"}) {}
Test::Result run_one_test(const std::string& algo, const VarMap& vars) override
{
const std::vector<byte> seed_input = get_req_bin(vars, "EntropyInput");
const std::vector<byte> reseed_input = get_req_bin(vars, "EntropyInputReseed");
const std::vector<byte> expected = get_req_bin(vars, "Out");
const std::vector<byte> ad1 = get_opt_bin(vars, "AdditionalInput1");
const std::vector<byte> ad2 = get_opt_bin(vars, "AdditionalInput2");
Test::Result result("HMAC_DRBG(" + algo + ")");
auto mac = Botan::MessageAuthenticationCode::create("HMAC(" + algo + ")");
if(!mac)
{
result.note_missing("HMAC(" + algo + ")");
return result;
}
std::unique_ptr<Botan::HMAC_DRBG> rng(new Botan::HMAC_DRBG(mac.release(), 0));
rng->initialize_with(seed_input.data(), seed_input.size());
// now reseed
rng->add_entropy(reseed_input.data(), reseed_input.size());
std::vector<byte> out(expected.size());
// first block is discarded
rng->randomize_with_input(out.data(), out.size(), ad1.data(), ad1.size());
rng->randomize_with_input(out.data(), out.size(), ad2.data(), ad2.size());
result.test_eq("rng", out, expected);
return result;
}
};
BOTAN_REGISTER_TEST("hmac_drbg", HMAC_DRBG_Tests);
#endif
}
}
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