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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_RFC3394_KEYWRAP)
#include <botan/rfc3394.h>
#endif
#if defined(BOTAN_HAS_NIST_KEYWRAP)
#include <botan/nist_keywrap.h>
#include <botan/block_cipher.h>
#endif
namespace Botan_Tests {
namespace {
#if defined(BOTAN_HAS_RFC3394_KEYWRAP)
class RFC3394_Keywrap_Tests final : public Text_Based_Test
{
public:
RFC3394_Keywrap_Tests() : Text_Based_Test("keywrap/rfc3394.vec", "Key,KEK,Output") {}
Test::Result run_one_test(const std::string&, const VarMap& vars) override
{
Test::Result result("RFC3394 keywrap");
try
{
const std::vector<uint8_t> expected = vars.get_req_bin("Output");
const std::vector<uint8_t> key = vars.get_req_bin("Key");
const std::vector<uint8_t> kek = vars.get_req_bin("KEK");
const Botan::SymmetricKey kek_sym(kek);
const Botan::secure_vector<uint8_t> key_l(key.begin(), key.end());
const Botan::secure_vector<uint8_t> exp_l(expected.begin(), expected.end());
result.test_eq("encryption", Botan::rfc3394_keywrap(key_l, kek_sym), expected);
result.test_eq("decryption", Botan::rfc3394_keyunwrap(exp_l, kek_sym), key);
}
catch(std::exception& e)
{
result.test_failure("", e.what());
}
return result;
}
};
BOTAN_REGISTER_TEST("rfc3394", RFC3394_Keywrap_Tests);
#endif
#if defined(BOTAN_HAS_NIST_KEYWRAP) && defined(BOTAN_HAS_AES)
class NIST_Keywrap_Tests final : public Text_Based_Test
{
public:
NIST_Keywrap_Tests() : Text_Based_Test("keywrap/nist_key_wrap.vec", "Input,Key,Output") {}
Test::Result run_one_test(const std::string& typ, const VarMap& vars) override
{
Test::Result result("NIST keywrap");
try
{
if(typ != "KW" && typ != "KWP")
throw Test_Error("Unknown type in NIST key wrap tests");
const std::vector<uint8_t> expected = vars.get_req_bin("Output");
const std::vector<uint8_t> input = vars.get_req_bin("Input");
const std::vector<uint8_t> key = vars.get_req_bin("Key");
std::unique_ptr<Botan::BlockCipher> bc =
Botan::BlockCipher::create_or_throw("AES-" + std::to_string(key.size()*8));
bc->set_key(key);
std::vector<uint8_t> wrapped;
if(typ == "KW")
{
wrapped = nist_key_wrap(input.data(), input.size(), *bc);
}
else if(typ == "KWP")
{
wrapped = nist_key_wrap_padded(input.data(), input.size(), *bc);
}
result.test_eq("key wrap", wrapped, expected);
try
{
Botan::secure_vector<uint8_t> unwrapped;
if(typ == "KW")
{
unwrapped = nist_key_unwrap(expected.data(), expected.size(), *bc);
}
else if(typ == "KWP")
{
unwrapped = nist_key_unwrap_padded(expected.data(), expected.size(), *bc);
}
result.test_eq("key unwrap", unwrapped, input);
}
catch(Botan::Integrity_Failure& e)
{
result.test_failure("NIST key unwrap failed with integrity failure", e.what());
}
}
catch(std::exception& e)
{
result.test_failure("", e.what());
}
return result;
}
};
BOTAN_REGISTER_TEST("nist_key_wrap", NIST_Keywrap_Tests);
class NIST_Keywrap_Invalid_Tests final : public Text_Based_Test
{
public:
NIST_Keywrap_Invalid_Tests() : Text_Based_Test("keywrap/nist_key_wrap_invalid.vec", "Key,Input") {}
Test::Result run_one_test(const std::string& typ, const VarMap& vars) override
{
Test::Result result("NIST keywrap (invalid inputs)");
try
{
if(typ != "KW" && typ != "KWP")
throw Test_Error("Unknown type in NIST key wrap tests");
const std::vector<uint8_t> input = vars.get_req_bin("Input");
const std::vector<uint8_t> key = vars.get_req_bin("Key");
std::unique_ptr<Botan::BlockCipher> bc =
Botan::BlockCipher::create_or_throw("AES-" + std::to_string(key.size()*8));
bc->set_key(key);
try
{
Botan::secure_vector<uint8_t> unwrapped;
if(typ == "KW")
{
unwrapped = nist_key_unwrap(input.data(), input.size(), *bc);
}
else if(typ == "KWP")
{
unwrapped = nist_key_unwrap_padded(input.data(), input.size(), *bc);
}
result.test_failure("Was able to unwrap invalid keywrap input");
}
catch(Botan::Integrity_Failure&)
{
result.test_success("Rejected invalid input");
}
}
catch(std::exception& e)
{
result.test_failure("", e.what());
}
return result;
}
};
BOTAN_REGISTER_TEST("nist_key_wrap_invalid", NIST_Keywrap_Invalid_Tests);
#endif
}
}
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