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/*
* ECDH tests
*
* (C) 2007 Manuel Hartl (hartl@flexsecure.de)
* 2008 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#if defined(BOTAN_HAS_ECDH)
#include <botan/pubkey.h>
#include <botan/ecdh.h>
#endif
namespace Botan_Tests {
namespace {
#if defined(BOTAN_HAS_ECDH)
class ECDH_Unit_Tests final : public Test
{
public:
std::vector<Test::Result> run() override
{
std::vector<Test::Result> results;
results.push_back(test_ecdh_normal_derivation());
return results;
}
private:
Test::Result test_ecdh_normal_derivation()
{
Test::Result result("ECDH key exchange");
std::vector<std::string> params = { "secp256r1", "secp384r1", "secp521r1", "brainpool256r1" };
for(auto const& param : params)
{
try
{
Botan::EC_Group dom_pars(param);
Botan::ECDH_PrivateKey private_a(Test::rng(), dom_pars);
Botan::ECDH_PrivateKey private_b(Test::rng(), dom_pars);
Botan::PK_Key_Agreement ka(private_a, Test::rng(), "KDF2(SHA-512)");
Botan::PK_Key_Agreement kb(private_b, Test::rng(), "KDF2(SHA-512)");
Botan::SymmetricKey alice_key = ka.derive_key(32, private_b.public_value());
Botan::SymmetricKey bob_key = kb.derive_key(32, private_a.public_value());
if(!result.test_eq("same derived key", alice_key.bits_of(), bob_key.bits_of()))
{
result.test_note("Keys where " + alice_key.as_string() + " and " + bob_key.as_string());
}
}
catch(Botan::Lookup_Error& e)
{
result.test_note("Skipping because ", e.what());
}
}
return result;
}
};
BOTAN_REGISTER_TEST("ecdh_unit", ECDH_Unit_Tests);
#endif
}
}
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