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#include "tests.h"
#include "test_pubkey.h"
#include <botan/auto_rng.h>
#include <botan/pubkey.h>
#include <botan/lookup.h>
#include <botan/dlies.h>
#include <botan/dh.h>
#include <botan/hex.h>
#include <iostream>
#include <fstream>
using namespace Botan;
namespace {
size_t dlies_kat(const std::string& p,
const std::string& g,
const std::string& x1,
const std::string& x2,
const std::string& msg,
const std::string& ciphertext)
{
AutoSeeded_RNG rng;
BigInt p_bn(p);
BigInt g_bn(g);
BigInt x1_bn(x1);
BigInt x2_bn(x2);
DL_Group domain(p_bn, g_bn);
DH_PrivateKey from(rng, domain, x1_bn);
DH_PrivateKey to(rng, domain, x2_bn);
const std::string opt_str = "KDF2(SHA-1)/HMAC(SHA-1)/16";
std::vector<std::string> options = split_on(opt_str, '/');
if(options.size() != 3)
throw std::runtime_error("DLIES needs three options: " + opt_str);
const size_t mac_key_len = to_u32bit(options[2]);
DLIES_Encryptor e(from,
get_kdf(options[0]),
get_mac(options[1]),
mac_key_len);
DLIES_Decryptor d(to,
get_kdf(options[0]),
get_mac(options[1]),
mac_key_len);
e.set_other_key(to.public_value());
const std::string empty = "";
return validate_encryption(e, d, "DLIES", msg, empty, ciphertext);
}
}
size_t test_dlies()
{
std::ifstream dlies(TEST_DATA_DIR "/dlies.vec");
size_t fails = 0;
fails += run_tests_bb(dlies, "DLIES Encryption", "Ciphertext", true,
[](std::map<std::string, std::string> m) -> size_t
{
return dlies_kat(m["P"], m["G"], m["X1"], m["X2"], m["Msg"], m["Ciphertext"]);
});
return fails;
}
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