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/*
* ECDH tests
*
* (C) 2007 Manuel Hartl (hartl@flexsecure.de)
* 2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include "tests.h"
#include "common.h"
#include <iostream>
#include <fstream>
#include <botan/auto_rng.h>
#include <botan/pubkey.h>
#include <botan/ecdh.h>
#include <botan/x509self.h>
#include <botan/der_enc.h>
using namespace Botan;
#define CHECK_MESSAGE(expr, print) try { if(!(expr)) { ++fails; std::cout << print << "\n"; } } catch(std::exception& e) { std::cout << __FUNCTION__ << ": " << e.what() << "\n"; }
#define CHECK(expr) try { if(!(expr)) { ++fails; std::cout << #expr << "\n"; } } catch(std::exception& e) { std::cout << __FUNCTION__ << ": " << e.what() << "\n"; }
namespace {
size_t test_ecdh_normal_derivation(RandomNumberGenerator& rng)
{
size_t fails = 0;
EC_Group dom_pars(OID("1.3.132.0.8"));
ECDH_PrivateKey private_a(rng, dom_pars);
ECDH_PrivateKey private_b(rng, dom_pars); //public_a.getCurve()
PK_Key_Agreement ka(private_a, "KDF2(SHA-1)");
PK_Key_Agreement kb(private_b, "KDF2(SHA-1)");
SymmetricKey alice_key = ka.derive_key(32, private_b.public_value());
SymmetricKey bob_key = kb.derive_key(32, private_a.public_value());
if(alice_key != bob_key)
{
std::cout << "The two keys didn't match!\n";
std::cout << "Alice's key was: " << alice_key.as_string() << "\n";
std::cout << "Bob's key was: " << bob_key.as_string() << "\n";
++fails;
}
return fails;
}
size_t test_ecdh_some_dp(RandomNumberGenerator& rng)
{
size_t fails = 0;
std::vector<std::string> oids;
oids.push_back("1.2.840.10045.3.1.7");
oids.push_back("1.3.132.0.8");
oids.push_back("1.2.840.10045.3.1.1");
for(u32bit i = 0; i< oids.size(); i++)
{
OID oid(oids[i]);
EC_Group dom_pars(oid);
ECDH_PrivateKey private_a(rng, dom_pars);
ECDH_PrivateKey private_b(rng, dom_pars);
PK_Key_Agreement ka(private_a, "KDF2(SHA-1)");
PK_Key_Agreement kb(private_b, "KDF2(SHA-1)");
SymmetricKey alice_key = ka.derive_key(32, private_b.public_value());
SymmetricKey bob_key = kb.derive_key(32, private_a.public_value());
CHECK_MESSAGE(alice_key == bob_key, "different keys - " << "Alice's key was: " << alice_key.as_string() << ", Bob's key was: " << bob_key.as_string());
}
return fails;
}
size_t test_ecdh_der_derivation(RandomNumberGenerator& rng)
{
size_t fails = 0;
std::vector<std::string> oids;
oids.push_back("1.2.840.10045.3.1.7");
oids.push_back("1.3.132.0.8");
oids.push_back("1.2.840.10045.3.1.1");
for(u32bit i = 0; i< oids.size(); i++)
{
OID oid(oids[i]);
EC_Group dom_pars(oid);
ECDH_PrivateKey private_a(rng, dom_pars);
ECDH_PrivateKey private_b(rng, dom_pars);
std::vector<byte> key_a = private_a.public_value();
std::vector<byte> key_b = private_b.public_value();
PK_Key_Agreement ka(private_a, "KDF2(SHA-1)");
PK_Key_Agreement kb(private_b, "KDF2(SHA-1)");
SymmetricKey alice_key = ka.derive_key(32, key_b);
SymmetricKey bob_key = kb.derive_key(32, key_a);
CHECK_MESSAGE(alice_key == bob_key, "different keys - " << "Alice's key was: " << alice_key.as_string() << ", Bob's key was: " << bob_key.as_string());
}
return fails;
}
}
size_t test_ecdh()
{
size_t fails = 0;
AutoSeeded_RNG rng;
fails += test_ecdh_normal_derivation(rng);
fails += test_ecdh_some_dp(rng);
fails += test_ecdh_der_derivation(rng);
test_report("ECDH", 3, fails);
return fails;
}
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