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/*
* (C) 2016 René Korthaus, Sirrix AG
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#include "test_rng.h"
#if defined(BOTAN_HAS_ECGDSA)
#include "test_pubkey.h"
#include <botan/ecgdsa.h>
#include <botan/oids.h>
#endif
namespace Botan_Tests {
namespace {
#if defined(BOTAN_HAS_ECGDSA)
class ECGDSA_Signature_KAT_Tests : public PK_Signature_Generation_Test
{
public:
ECGDSA_Signature_KAT_Tests() : PK_Signature_Generation_Test(
"ECGDSA",
"pubkey/ecgdsa.vec",
{"Group", "X", "Hash", "Msg", "Nonce", "Signature"})
{}
bool clear_between_callbacks() const override { return false; }
std::unique_ptr<Botan::Private_Key> load_private_key(const VarMap& vars) override
{
const std::string group_id = get_req_str(vars, "Group");
const BigInt x = get_req_bn(vars, "X");
Botan::EC_Group group(Botan::OIDS::lookup(group_id));
std::unique_ptr<Botan::Private_Key> key(new Botan::ECGDSA_PrivateKey(Test::rng(), group, x));
return key;
}
std::string default_padding(const VarMap& vars) const override
{
return "EMSA1(" + get_req_str(vars, "Hash") + ")";
}
Botan::RandomNumberGenerator* test_rng(const std::vector<uint8_t>& nonce) const override
{
// ecgdsa signature generation extracts more random than just the nonce,
// but the nonce is extracted first
return new Fixed_Output_Position_RNG(nonce, 1);
}
};
class ECGDSA_Keygen_Tests : public PK_Key_Generation_Test
{
public:
std::vector<std::string> keygen_params() const override { return { "secp256r1", "secp384r1", "secp521r1" }; }
std::unique_ptr<Botan::Private_Key> make_key(Botan::RandomNumberGenerator& rng,
const std::string& param) const override
{
Botan::EC_Group group(param);
std::unique_ptr<Botan::Private_Key> key(new Botan::ECGDSA_PrivateKey(rng, group));
return key;
}
};
BOTAN_REGISTER_TEST("ecgdsa", ECGDSA_Signature_KAT_Tests);
BOTAN_REGISTER_TEST("ecgdsa_keygen", ECGDSA_Keygen_Tests);
#endif
}
}
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