/* * (C) 2016 Jack Lloyd * * Botan is released under the Simplified BSD License (see license.txt) */ #include "tests.h" #if defined(BOTAN_HAS_DL_GROUP) #include #endif namespace Botan_Tests { #if defined(BOTAN_HAS_DL_GROUP) namespace { class DL_Group_Tests : public Test { public: std::vector run() override { std::vector results; Botan::RandomNumberGenerator& rng = Test::rng(); results.push_back(test_dl_encoding()); results.push_back(test_dl_named(rng)); //results.push_back(test_dl_generate(rng)); return results; } private: Test::Result test_dl_encoding() { Test::Result result("DL_Group encoding"); const Botan::DL_Group orig("modp/ietf/1024"); const std::string pem1 = orig.PEM_encode(Botan::DL_Group::ANSI_X9_42); const std::string pem2 = orig.PEM_encode(Botan::DL_Group::ANSI_X9_57); const std::string pem3 = orig.PEM_encode(Botan::DL_Group::PKCS_3); Botan::DL_Group group; group.PEM_decode(pem1); result.test_eq("Same p in X9.42 decoding", group.get_p(), orig.get_p()); result.test_eq("Same q in X9.42 decoding", group.get_q(), orig.get_q()); result.test_eq("Same g in X9.42 decoding", group.get_g(), orig.get_g()); group.PEM_decode(pem2); result.test_eq("Same p in X9.57 decoding", group.get_p(), orig.get_p()); result.test_eq("Same q in X9.57 decoding", group.get_q(), orig.get_q()); result.test_eq("Same g in X9.57 decoding", group.get_g(), orig.get_g()); group.PEM_decode(pem3); result.test_eq("Same p in X9.57 decoding", group.get_p(), orig.get_p()); // no q in PKCS #3 format result.test_eq("Same g in X9.57 decoding", group.get_g(), orig.get_g()); return result; } Test::Result test_dl_generate(Botan::RandomNumberGenerator& rng) { Test::Result result("DL_Group generate"); Botan::DL_Group dsa1024(rng, Botan::DL_Group::DSA_Kosherizer, 1024); result.test_eq("DSA p size", dsa1024.get_p().bits(), 1024); result.test_eq("DSA q size", dsa1024.get_q().bits(), 160); result.test_eq("DSA g size", dsa1024.get_g().bits(), 1024); result.test_eq("DSA group verifies", dsa1024.verify_group(rng, true), true); Botan::DL_Group dh1050(rng, Botan::DL_Group::Prime_Subgroup, 1050, 175); result.test_eq("DH p size", dh1050.get_p().bits(), 1050); result.test_eq("DH q size", dh1050.get_q().bits(), 175); result.test_eq("DH g size", dh1050.get_g().bits(), 2); result.test_eq("DH group verifies", dh1050.verify_group(rng, true), true); return result; } Test::Result test_dl_named(Botan::RandomNumberGenerator& rng) { const std::vector dl_named = { "modp/ietf/1024", "modp/ietf/1536", "modp/ietf/2048", "modp/ietf/3072", "modp/ietf/4096", "modp/ietf/6144", "modp/ietf/8192", "modp/srp/1024", "modp/srp/1536", "modp/srp/2048", "modp/srp/3072", "modp/srp/4096", "modp/srp/6144", "modp/srp/8192", "dsa/jce/1024", "dsa/botan/2048", "dsa/botan/3072", }; Test::Result result("DL_Group named"); result.start_timer(); for(std::string name : dl_named) { // Confirm we can load every group we expect Botan::DL_Group group(name); result.test_ne("DL_Group p is set", group.get_p(), 0); result.test_ne("DL_Group g is set", group.get_g(), 0); if(name.find("/srp/") == std::string::npos) { try { group.get_q(); // confirm all our non-SRP groups have q } catch(Botan::Invalid_State&) { result.test_failure("Group " + name + " has no q"); } } if(group.get_p().bits() < 2048 || Test::run_long_tests()) { // These two groups fail verification because pow(g,q,p) != 1 if(name != "modp/srp/1024" && name != "modp/srp/2048") { result.test_eq(name + " verifies", group.verify_group(rng, false), true); } } } result.end_timer(); return result; } }; BOTAN_REGISTER_TEST("dl_group", DL_Group_Tests); } #endif }