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#include "tests.h"
#include "test_pubkey.h"
#include <botan/auto_rng.h>
#include <botan/pubkey.h>
#include <botan/gost_3410.h>
#include <botan/oids.h>
#include <botan/hex.h>
#include <iostream>
#include <fstream>
using namespace Botan;
namespace {
size_t gost_verify(const std::string& group_id,
const std::string& x,
const std::string& hash,
const std::string& msg,
const std::string& signature)
{
AutoSeeded_RNG rng;
EC_Group group(OIDS::lookup(group_id));
PointGFp public_point = OS2ECP(hex_decode(x), group.get_curve());
GOST_3410_PublicKey gost(group, public_point);
const std::string padding = "EMSA1(" + hash + ")";
PK_Verifier v(gost, padding);
if(!v.verify_message(hex_decode(msg), hex_decode(signature)))
return 1;
return 0;
}
}
size_t test_gost_3410()
{
std::ifstream ecdsa_sig(PK_TEST_DATA_DIR "/gost_3410.vec");
size_t fails = 0;
fails += run_tests_bb(ecdsa_sig, "GOST-34.10 Signature", "Signature", true,
[](std::map<std::string, std::string> m) -> size_t
{
return gost_verify(m["Group"], m["Pubkey"], m["Hash"], m["Msg"], m["Signature"]);
});
return fails;
}
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