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/*
* (C) 2014,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#if defined(BOTAN_HAS_RFC6979_GENERATOR)
#include <botan/rfc6979.h>
#include <botan/hex.h>
#endif
namespace Botan_Tests {
namespace {
#if defined(BOTAN_HAS_RFC6979_GENERATOR)
class RFC6979_KAT_Tests : public Text_Based_Test
{
public:
RFC6979_KAT_Tests() : Text_Based_Test(Test::data_file("rfc6979.vec"),
{"Q", "X", "H", "K"}) {}
Test::Result run_one_test(const std::string& hash, const VarMap& vars)
{
const BigInt Q = get_req_bn(vars, "Q");
const BigInt X = get_req_bn(vars, "X");
const BigInt H = get_req_bn(vars, "H");
const BigInt K = get_req_bn(vars, "K");
Test::Result result("RFC 6979 nonce generation");
result.test_eq("vector matches", Botan::generate_rfc6979_nonce(X, Q, H, hash), K);
Botan::RFC6979_Nonce_Generator gen(hash, Q, X);
result.test_eq("vector matches", gen.nonce_for(H), K);
result.test_ne("vector matches", gen.nonce_for(H+1), K);
result.test_eq("vector matches", gen.nonce_for(H), K);
return result;
}
};
BOTAN_REGISTER_TEST("rfc6979", RFC6979_KAT_Tests);
#endif
}
}
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