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#include "tests.h"
#include "test_pubkey.h"
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
#include <botan/nr.h>
#include <botan/pubkey.h>
#include <botan/dl_group.h>
#endif
#include <botan/hex.h>
#include <iostream>
#include <fstream>
using namespace Botan;
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
namespace {
size_t nr_sig_kat(const std::string& p,
const std::string& q,
const std::string& g,
const std::string& x,
const std::string& hash,
const std::string& msg,
const std::string& nonce,
const std::string& signature)
{
auto& rng = test_rng();
BigInt p_bn(p), q_bn(q), g_bn(g), x_bn(x);
DL_Group group(p_bn, q_bn, g_bn);
NR_PrivateKey privkey(rng, group, x_bn);
NR_PublicKey pubkey = privkey;
const std::string padding = "EMSA1(" + hash + ")";
PK_Verifier verify(pubkey, padding);
PK_Signer sign(privkey, padding);
return validate_signature(verify, sign, "nr/" + hash, msg, rng, nonce, signature);
}
}
#endif
size_t test_nr()
{
size_t fails = 0;
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
std::ifstream nr_sig(PK_TEST_DATA_DIR "/nr.vec");
fails += run_tests_bb(nr_sig, "NR Signature", "Signature", true,
[](std::map<std::string, std::string> m) -> size_t
{
return nr_sig_kat(m["P"], m["Q"], m["G"], m["X"], m["Hash"], m["Msg"], m["Nonce"], m["Signature"]);
});
#endif
return fails;
}
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