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#include "tests.h"
#include "test_pubkey.h"
#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
#include <botan/pubkey.h>
#include <botan/dh.h>
#include <botan/hex.h>
#include <iostream>
#include <fstream>
using namespace Botan;
namespace {
size_t dh_sig_kat(const std::string& p,
const std::string& g,
const std::string& x,
const std::string& y,
std::string kdf,
const std::string& outlen,
const std::string& key)
{
auto& rng = test_rng();
BigInt p_bn(p), g_bn(g), x_bn(x), y_bn(y);
DL_Group domain(p_bn, g_bn);
DH_PrivateKey mykey(rng, domain, x_bn);
DH_PublicKey otherkey(domain, y_bn);
if(kdf == "")
kdf = "Raw";
size_t keylen = 0;
if(outlen != "")
keylen = to_u32bit(outlen);
PK_Key_Agreement kas(mykey, kdf);
return validate_kas(kas, "DH/" + kdf, otherkey.public_value(), key, keylen);
}
}
#endif
size_t test_dh()
{
size_t fails = 0;
#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
std::ifstream dh_sig(PK_TEST_DATA_DIR "/dh.vec");
fails += run_tests_bb(dh_sig, "DH Kex", "K", true,
[](std::map<std::string, std::string> m) -> size_t
{
return dh_sig_kat(m["P"], m["G"], m["X"], m["Y"], m["KDF"], m["OutLen"], m["K"]);
});
#endif
return fails;
}
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