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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_pubkey.h"
#if defined(BOTAN_HAS_ECDSA)
#include <botan/pubkey.h>
#include <botan/ecdsa.h>
#include <botan/oids.h>
#include <botan/hex.h>
#include <iostream>
#include <fstream>
using namespace Botan;
namespace {
size_t ecdsa_sig_kat(const std::string& group_id,
const std::string& x,
const std::string& hash,
const std::string& msg,
const std::string& nonce,
const std::string& signature)
{
auto& rng = test_rng();
EC_Group group(OIDS::lookup(group_id));
ECDSA_PrivateKey ecdsa(rng, group, BigInt(x));
const std::string padding = "EMSA1(" + hash + ")";
PK_Verifier verify(ecdsa, padding);
PK_Signer sign(ecdsa, padding);
return validate_signature(verify, sign, "ECDSA/" + group_id + '/' + hash,
msg, rng, nonce, signature);
}
size_t ecc_point_mul(const std::string& group_id,
const std::string& m_s,
const std::string& X_s,
const std::string& Y_s)
{
EC_Group group(OIDS::lookup(group_id));
const BigInt m(m_s);
const BigInt X(X_s);
const BigInt Y(Y_s);
PointGFp p = group.get_base_point() * m;
size_t fails = 0;
if(p.get_affine_x() != X)
{
std::cout << p.get_affine_x() << " != " << X << std::endl;
++fails;
}
if(p.get_affine_y() != Y)
{
std::cout << p.get_affine_y() << " != " << Y << std::endl;
++fails;
}
return fails;
}
}
#endif
size_t test_ecc_pointmul()
{
size_t fails = 0;
#if defined(BOTAN_HAS_ECC_GROUP)
std::ifstream ecc_mul(PK_TEST_DATA_DIR "/ecc.vec");
fails += run_tests_bb(ecc_mul, "ECC Point Mult", "Y", false,
[](std::map<std::string, std::string> m) -> size_t
{
return ecc_point_mul(m["Group"], m["m"], m["X"], m["Y"]);
});
#endif
return fails;
}
size_t test_ecdsa()
{
size_t fails = 0;
#if defined(BOTAN_HAS_ECDSA)
std::ifstream ecdsa_sig(PK_TEST_DATA_DIR "/ecdsa.vec");
fails += run_tests_bb(ecdsa_sig, "ECDSA Signature", "Signature", false,
[](std::map<std::string, std::string> m) -> size_t
{
return ecdsa_sig_kat(m["Group"], m["X"], m["Hash"], m["Msg"], m["Nonce"], m["Signature"]);
});
#endif
return fails;
}
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