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/*
* (C) 2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#if defined(BOTAN_HAS_PACKAGE_TRANSFORM)
#include <botan/package.h>
#endif
namespace Botan_Tests {
#if defined(BOTAN_HAS_PACKAGE_TRANSFORM)
class Package_Transform_Tests : public Test
{
public:
std::vector<Test::Result> run() override
{
Test::Result result("Package transform");
std::unique_ptr<Botan::BlockCipher> cipher(Botan::BlockCipher::create("AES-128"));
std::vector<uint8_t> input = unlock(Test::rng().random_vec(Test::rng().next_byte()));
std::vector<uint8_t> output(input.size() + cipher->block_size());
// aont_package owns/deletes the passed cipher object, kind of a bogus API
Botan::aont_package(Test::rng(),
cipher->clone(),
input.data(), input.size(),
output.data());
std::vector<uint8_t> decoded(output.size() - cipher->block_size());
Botan::aont_unpackage(cipher->clone(),
output.data(), output.size(),
decoded.data());
result.test_eq("Package transform is reversible", decoded, input);
output[0] ^= 1;
Botan::aont_unpackage(cipher->clone(),
output.data(), output.size(),
decoded.data());
result.test_ne("Bitflip breaks package transform", decoded, input);
output[0] ^= 1;
Botan::aont_unpackage(cipher->clone(),
output.data(), output.size(),
decoded.data());
result.test_eq("Package transform is still reversible", decoded, input);
// More tests including KATs would be useful for these functions
return std::vector<Test::Result> {result};
}
};
BOTAN_REGISTER_TEST("package_transform", Package_Transform_Tests);
#endif
}
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