/* * (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 #include <botan/hash.h> 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("rfc6979.vec", {"Q", "X", "H", "K"}) {} Test::Result run_one_test(const std::string& hash, const VarMap& vars) override { 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"); auto hash_func = Botan::HashFunction::create(hash); if(!hash_func) { result.test_note("Skipping due to missing: " + hash); return result; } 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("different output for H+1", gen.nonce_for(H+1), K); result.test_eq("vector matches when run again", gen.nonce_for(H), K); return result; } }; BOTAN_REGISTER_TEST("rfc6979", RFC6979_KAT_Tests); #endif } }