diff options
Diffstat (limited to 'src/tests/test_ecdsa.cpp')
-rw-r--r-- | src/tests/test_ecdsa.cpp | 484 |
1 files changed, 23 insertions, 461 deletions
diff --git a/src/tests/test_ecdsa.cpp b/src/tests/test_ecdsa.cpp index b557f0193..3bb15739c 100644 --- a/src/tests/test_ecdsa.cpp +++ b/src/tests/test_ecdsa.cpp @@ -1,490 +1,52 @@ -/****************************************************** -* ECDSA tests * -* * -* (C) 2007 Falko Strenzke * -* Manuel Hartl * -* 2008 Jack Lloyd * -******************************************************/ - #include "tests.h" +#include "test_pubkey.h" -#include <botan/hex.h> #include <botan/auto_rng.h> #include <botan/pubkey.h> #include <botan/ecdsa.h> -#include <botan/rsa.h> -#include <botan/x509cert.h> #include <botan/oids.h> - +#include <botan/hex.h> #include <iostream> #include <fstream> -#include <memory> using namespace Botan; -#define TEST_DATA_DIR CHECKS_DIR "/ecc_testdata" - -#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 { -std::string to_hex(const std::vector<byte>& bin) - { - return hex_encode(&bin[0], bin.size()); - } - -/** - -* Tests whether the the signing routine will work correctly in case -* the integer e that is constructed from the message (thus the hash -* value) is larger than n, the order of the base point. Tests the -* signing function of the pk signer object */ - -size_t test_hash_larger_than_n(RandomNumberGenerator& rng) - { - EC_Group dom_pars(OID("1.3.132.0.8")); // secp160r1 - // n = 0x0100000000000000000001f4c8f927aed3ca752257 (21 bytes) - // -> shouldn't work with SHA224 which outputs 28 bytes - - size_t fails = 0; - ECDSA_PrivateKey priv_key(rng, dom_pars); - - std::vector<byte> message(20); - for(size_t i = 0; i != message.size(); ++i) - message[i] = i; - - PK_Signer pk_signer_160(priv_key, "EMSA1_BSI(SHA-1)"); - PK_Verifier pk_verifier_160(priv_key, "EMSA1_BSI(SHA-1)"); - - PK_Signer pk_signer_224(priv_key, "EMSA1_BSI(SHA-224)"); - - // Verify we can sign and verify with SHA-160 - std::vector<byte> signature_160 = pk_signer_160.sign_message(message, rng); - - CHECK(pk_verifier_160.verify_message(message, signature_160)); - - bool signature_failed = false; - try - { - std::vector<byte> signature_224 = pk_signer_224.sign_message(message, rng); - } - catch(Encoding_Error) - { - signature_failed = true; - } - - CHECK(signature_failed); - - // now check that verification alone fails - - // sign it with the normal EMSA1 - PK_Signer pk_signer(priv_key, "EMSA1(SHA-224)"); - std::vector<byte> signature = pk_signer.sign_message(message, rng); - - PK_Verifier pk_verifier(priv_key, "EMSA1_BSI(SHA-224)"); - - // verify against EMSA1_BSI - if(pk_verifier.verify_message(message, signature)) - { - std::cout << "Corrupt ECDSA signature verified, should not have\n"; - ++fails; - } - - return fails; - } - -size_t test_decode_ecdsa_X509() +size_t ecdsa_sig_kat(const std::string& group_id, + const std::string& x, + const std::string& hash, + const std::string& msg, + const std::string& nonce, + const std::string& signature) { - X509_Certificate cert(TEST_DATA_DIR "/CSCA.CSCA.csca-germany.1.crt"); - size_t fails = 0; - - CHECK_MESSAGE(OIDS::lookup(cert.signature_algorithm().oid) == "ECDSA/EMSA1(SHA-224)", "error reading signature algorithm from x509 ecdsa certificate"); - - CHECK_MESSAGE(to_hex(cert.serial_number()) == "01", "error reading serial from x509 ecdsa certificate"); - CHECK_MESSAGE(to_hex(cert.authority_key_id()) == "0096452DE588F966C4CCDF161DD1F3F5341B71E7", "error reading authority key id from x509 ecdsa certificate"); - CHECK_MESSAGE(to_hex(cert.subject_key_id()) == "0096452DE588F966C4CCDF161DD1F3F5341B71E7", "error reading Subject key id from x509 ecdsa certificate"); - - std::unique_ptr<X509_PublicKey> pubkey(cert.subject_public_key()); - bool ver_ec = cert.check_signature(*pubkey); - CHECK_MESSAGE(ver_ec, "could not positively verify correct selfsigned x509-ecdsa certificate"); - - return fails; - } - -size_t test_decode_ver_link_SHA256() - { - X509_Certificate root_cert(TEST_DATA_DIR "/root2_SHA256.cer"); - X509_Certificate link_cert(TEST_DATA_DIR "/link_SHA256.cer"); - - size_t fails = 0; - std::unique_ptr<X509_PublicKey> pubkey(root_cert.subject_public_key()); - bool ver_ec = link_cert.check_signature(*pubkey); - CHECK_MESSAGE(ver_ec, "could not positively verify correct SHA256 link x509-ecdsa certificate"); - return fails; - } - -size_t test_decode_ver_link_SHA1() - { - X509_Certificate root_cert(TEST_DATA_DIR "/root_SHA1.163.crt"); - X509_Certificate link_cert(TEST_DATA_DIR "/link_SHA1.166.crt"); - - size_t fails = 0; - std::unique_ptr<X509_PublicKey> pubkey(root_cert.subject_public_key()); - bool ver_ec = link_cert.check_signature(*pubkey); - CHECK_MESSAGE(ver_ec, "could not positively verify correct SHA1 link x509-ecdsa certificate"); - return fails; - } - -size_t test_sign_then_ver(RandomNumberGenerator& rng) - { - EC_Group dom_pars(OID("1.3.132.0.8")); - ECDSA_PrivateKey ecdsa(rng, dom_pars); - - size_t fails = 0; - PK_Signer signer(ecdsa, "EMSA1(SHA-1)"); - - auto msg = hex_decode("12345678901234567890abcdef12"); - std::vector<byte> sig = signer.sign_message(msg, rng); - - PK_Verifier verifier(ecdsa, "EMSA1(SHA-1)"); - - bool ok = verifier.verify_message(msg, sig); - - if(!ok) - { - std::cout << "ERROR: Could not verify ECDSA signature\n"; - fails++; - } - - sig[0]++; - ok = verifier.verify_message(msg, sig); - - if(ok) - { - std::cout << "ERROR: Bogus ECDSA signature verified anyway\n"; - fails++; - } - - return fails; - } - -size_t test_ec_sign(RandomNumberGenerator& rng) - { - size_t fails = 0; - - try - { - EC_Group dom_pars(OID("1.3.132.0.8")); - ECDSA_PrivateKey priv_key(rng, dom_pars); - std::string pem_encoded_key = PKCS8::PEM_encode(priv_key); - - PK_Signer signer(priv_key, "EMSA1(SHA-224)"); - PK_Verifier verifier(priv_key, "EMSA1(SHA-224)"); - - for(size_t i = 0; i != 256; ++i) - signer.update(static_cast<byte>(i)); - std::vector<byte> sig = signer.signature(rng); - - for(u32bit i = 0; i != 256; ++i) - verifier.update(static_cast<byte>(i)); - if(!verifier.check_signature(sig)) - { - std::cout << "ECDSA self-test failed!"; - ++fails; - } - - // now check valid signature, different input - for(u32bit i = 1; i != 256; ++i) //starting from 1 - verifier.update(static_cast<byte>(i)); - - if(verifier.check_signature(sig)) - { - std::cout << "ECDSA with bad input passed validation"; - ++fails; - } - - // now check with original input, modified signature - - sig[sig.size()/2]++; - for(u32bit i = 0; i != 256; ++i) - verifier.update(static_cast<byte>(i)); - - if(verifier.check_signature(sig)) - { - std::cout << "ECDSA with bad signature passed validation"; - ++fails; - } - } - catch (std::exception& e) - { - std::cout << "Exception in test_ec_sign - " << e.what() << "\n"; - ++fails; - } - - return fails; - } - - -size_t test_create_pkcs8(RandomNumberGenerator& rng) - { - size_t fails = 0; - - try - { - RSA_PrivateKey rsa_key(rng, 1024); - //RSA_PrivateKey rsa_key2(1024); - //cout << "\nequal: " << (rsa_key == rsa_key2) << "\n"; - //DSA_PrivateKey key(DL_Group("dsa/jce/1024")); - - std::ofstream rsa_priv_key(TEST_DATA_DIR "/rsa_private.pkcs8.pem"); - rsa_priv_key << PKCS8::PEM_encode(rsa_key); - - EC_Group dom_pars(OID("1.3.132.0.8")); - ECDSA_PrivateKey key(rng, dom_pars); - - // later used by other tests :( - std::ofstream priv_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem"); - priv_key << PKCS8::PEM_encode(key); - } - catch (std::exception& e) - { - std::cout << "Exception: " << e.what() << std::endl; - ++fails; - } - - return fails; - } - -size_t test_create_and_verify(RandomNumberGenerator& rng) - { - size_t fails = 0; - - EC_Group dom_pars(OID("1.3.132.0.8")); - ECDSA_PrivateKey key(rng, dom_pars); - std::ofstream priv_key(TEST_DATA_DIR "/dompar_private.pkcs8.pem"); - priv_key << PKCS8::PEM_encode(key); - - std::unique_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng)); - ECDSA_PrivateKey* loaded_ec_key = dynamic_cast<ECDSA_PrivateKey*>(loaded_key.get()); - CHECK_MESSAGE(loaded_ec_key, "the loaded key could not be converted into an ECDSA_PrivateKey"); - - std::unique_ptr<PKCS8_PrivateKey> loaded_key_1(PKCS8::load_key(TEST_DATA_DIR "/rsa_private.pkcs8.pem", rng)); - ECDSA_PrivateKey* loaded_rsa_key = dynamic_cast<ECDSA_PrivateKey*>(loaded_key_1.get()); - CHECK_MESSAGE(!loaded_rsa_key, "the loaded key is ECDSA_PrivateKey -> shouldn't be, is a RSA-Key"); - - //calc a curve which is not in the registry - - // string p_secp = "2117607112719756483104013348936480976596328609518055062007450442679169492999007105354629105748524349829824407773719892437896937279095106809"; - std::string a_secp = "0a377dede6b523333d36c78e9b0eaa3bf48ce93041f6d4fc34014d08f6833807498deedd4290101c5866e8dfb589485d13357b9e78c2d7fbe9fe"; - std::string b_secp = "0a9acf8c8ba617777e248509bcb4717d4db346202bf9e352cd5633731dd92a51b72a4dc3b3d17c823fcc8fbda4da08f25dea89046087342595a7"; - std::string G_secp_comp = "04081523d03d4f12cd02879dea4bf6a4f3a7df26ed888f10c5b2235a1274c386a2f218300dee6ed217841164533bcdc903f07a096f9fbf4ee95bac098a111f296f5830fe5c35b3e344d5df3a2256985f64fbe6d0edcc4c61d18bef681dd399df3d0194c5a4315e012e0245ecea56365baa9e8be1f7"; - std::string order_g = "0e1a16196e6000000000bc7f1618d867b15bb86474418f"; - - // ::std::vector<byte> sv_p_secp = hex_decode ( p_secp ); - auto sv_a_secp = hex_decode ( a_secp ); - auto sv_b_secp = hex_decode ( b_secp ); - auto sv_G_secp_comp = hex_decode ( G_secp_comp ); - auto sv_order_g = hex_decode ( order_g ); - - // BigInt bi_p_secp = BigInt::decode ( &sv_p_secp[0], sv_p_secp.size() ); - BigInt bi_p_secp("2117607112719756483104013348936480976596328609518055062007450442679169492999007105354629105748524349829824407773719892437896937279095106809"); - BigInt bi_a_secp = BigInt::decode ( &sv_a_secp[0], sv_a_secp.size() ); - BigInt bi_b_secp = BigInt::decode ( &sv_b_secp[0], sv_b_secp.size() ); - BigInt bi_order_g = BigInt::decode ( &sv_order_g[0], sv_order_g.size() ); - CurveGFp curve(bi_p_secp, bi_a_secp, bi_b_secp); - PointGFp p_G = OS2ECP ( sv_G_secp_comp, curve ); - - EC_Group dom_params(curve, p_G, bi_order_g, BigInt(1)); - if(!p_G.on_the_curve()) - throw Internal_Error("Point not on the curve"); - - ECDSA_PrivateKey key_odd_oid(rng, dom_params); - std::string key_odd_oid_str = PKCS8::PEM_encode(key_odd_oid); - - DataSource_Memory key_data_src(key_odd_oid_str); - std::unique_ptr<PKCS8_PrivateKey> loaded_key2(PKCS8::load_key(key_data_src, rng)); - - if(!dynamic_cast<ECDSA_PrivateKey*>(loaded_key.get())) - { - std::cout << "Failed to reload an ECDSA key with unusual parameter set\n"; - ++fails; - } - - return fails; - } - -size_t test_curve_registry(RandomNumberGenerator& rng) - { - std::vector<std::string> oids; - oids.push_back("1.3.132.0.8"); - oids.push_back("1.2.840.10045.3.1.1"); - oids.push_back("1.2.840.10045.3.1.2"); - oids.push_back("1.2.840.10045.3.1.3"); - oids.push_back("1.2.840.10045.3.1.4"); - oids.push_back("1.2.840.10045.3.1.5"); - oids.push_back("1.2.840.10045.3.1.6"); - oids.push_back("1.2.840.10045.3.1.7"); - oids.push_back("1.3.132.0.6"); - oids.push_back("1.3.132.0.7"); - oids.push_back("1.3.132.0.28"); - oids.push_back("1.3.132.0.29"); - oids.push_back("1.3.132.0.9"); - oids.push_back("1.3.132.0.30"); - oids.push_back("1.3.132.0.31"); - oids.push_back("1.3.132.0.32"); - oids.push_back("1.3.132.0.33"); - oids.push_back("1.3.132.0.10"); - oids.push_back("1.3.132.0.34"); - oids.push_back("1.3.132.0.35"); - //oids.push_back("1.3.6.1.4.1.8301.3.1.2.9.0.38"); - oids.push_back("1.3.36.3.3.2.8.1.1.1"); - oids.push_back("1.3.36.3.3.2.8.1.1.3"); - oids.push_back("1.3.36.3.3.2.8.1.1.5"); - oids.push_back("1.3.36.3.3.2.8.1.1.7"); - oids.push_back("1.3.36.3.3.2.8.1.1.9"); - oids.push_back("1.3.36.3.3.2.8.1.1.11"); - oids.push_back("1.3.36.3.3.2.8.1.1.13"); - - size_t fails = 0; - - unsigned int i; - for (i = 0; i < oids.size(); i++) - { - try - { - OID oid(oids[i]); - EC_Group dom_pars(oid); - ECDSA_PrivateKey ecdsa(rng, dom_pars); - - PK_Signer signer(ecdsa, "EMSA1(SHA-1)"); - PK_Verifier verifier(ecdsa, "EMSA1(SHA-1)"); - - auto msg = hex_decode("12345678901234567890abcdef12"); - std::vector<byte> sig = signer.sign_message(msg, rng); - - if(!verifier.verify_message(msg, sig)) - { - std::cout << "Failed testing ECDSA sig for curve " << oids[i] << "\n"; - ++fails; - } - } - catch(Invalid_Argument& e) - { - std::cout << "Error testing curve " << oids[i] << " - " << e.what() << "\n"; - ++fails; - } - } - return fails; - } - -size_t test_read_pkcs8(RandomNumberGenerator& rng) - { - auto msg = hex_decode("12345678901234567890abcdef12"); - size_t fails = 0; - - try - { - std::unique_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng)); - ECDSA_PrivateKey* ecdsa = dynamic_cast<ECDSA_PrivateKey*>(loaded_key.get()); - CHECK_MESSAGE(ecdsa, "the loaded key could not be converted into an ECDSA_PrivateKey"); - - PK_Signer signer(*ecdsa, "EMSA1(SHA-1)"); - - std::vector<byte> sig = signer.sign_message(msg, rng); - - PK_Verifier verifier(*ecdsa, "EMSA1(SHA-1)"); - - CHECK_MESSAGE(verifier.verify_message(msg, sig), - "generated sig could not be verified positively"); - } - catch (std::exception& e) - { - ++fails; - std::cout << "Exception in test_read_pkcs8 - " << e.what() << "\n"; - } - - try - { - std::unique_ptr<PKCS8_PrivateKey> loaded_key_nodp(PKCS8::load_key(TEST_DATA_DIR "/nodompar_private.pkcs8.pem", rng)); - // anew in each test with unregistered domain-parameters - ECDSA_PrivateKey* ecdsa_nodp = dynamic_cast<ECDSA_PrivateKey*>(loaded_key_nodp.get()); - CHECK_MESSAGE(ecdsa_nodp, "the loaded key could not be converted into an ECDSA_PrivateKey"); - - PK_Signer signer(*ecdsa_nodp, "EMSA1(SHA-1)"); - PK_Verifier verifier(*ecdsa_nodp, "EMSA1(SHA-1)"); - - std::vector<byte> signature_nodp = signer.sign_message(msg, rng); - - CHECK_MESSAGE(verifier.verify_message(msg, signature_nodp), - "generated signature could not be verified positively (no_dom)"); - - try - { - std::unique_ptr<PKCS8_PrivateKey> loaded_key_withdp( - PKCS8::load_key(TEST_DATA_DIR "/withdompar_private.pkcs8.pem", rng)); - - std::cout << "Unexpected success: loaded key with unknown OID\n"; - ++fails; - } - catch (std::exception) { /* OK */ } - } - catch (std::exception& e) - { - std::cout << "Exception in test_read_pkcs8 - " << e.what() << "\n"; - ++fails; - } - - return fails; - } - -size_t test_ecc_key_with_rfc5915_extensions(RandomNumberGenerator& rng) - { - const std::string pw = "G3bz1L1gmB5ULietOZdoLPu63D7uwTLMEk"; + AutoSeeded_RNG rng; - size_t fails = 0; + EC_Group group(OIDS::lookup(group_id)); + ECDSA_PrivateKey ecdsa(rng, group, BigInt(x)); - try - { - std::unique_ptr<PKCS8_PrivateKey> pkcs8( - PKCS8::load_key(TEST_DATA_DIR "/ecc_private_with_rfc5915_ext.pem", rng, pw)); + const std::string padding = "EMSA1(" + hash + ")"; - if(!dynamic_cast<ECDSA_PrivateKey*>(pkcs8.get())) - { - std::cout << "Loaded RFC 5915 key, but got something other than an ECDSA key\n"; - ++fails; - } - } - catch(std::exception& e) - { - std::cout << "Exception in " << __func__ << " - " << e.what() << "\n"; - ++fails; - } + PK_Verifier verify(ecdsa, padding); + PK_Signer sign(ecdsa, padding); - return fails; + return validate_signature(verify, sign, "DSA/" + hash, msg, nonce, signature); } } size_t test_ecdsa() { - size_t fails = 0; + std::ifstream ecdsa_sig(TEST_DATA_DIR "/ecdsa.vec"); - AutoSeeded_RNG rng; - - fails += test_hash_larger_than_n(rng); - fails += test_decode_ecdsa_X509(); - fails += test_decode_ver_link_SHA256(); - fails += test_decode_ver_link_SHA1(); - fails += test_sign_then_ver(rng); - fails += test_ec_sign(rng); - fails += test_create_pkcs8(rng); - fails += test_create_and_verify(rng); - fails += test_curve_registry(rng); - fails += test_read_pkcs8(rng); - fails += test_ecc_key_with_rfc5915_extensions(rng); + size_t fails = 0; - test_report("ECDSA", 11, fails); + fails += run_tests_bb(ecdsa_sig, "ECDSA Signature", "Signature", true, + [](std::map<std::string, std::string> m) -> size_t + { + return ecdsa_sig_kat(m["Group"], m["X"], m["Hash"], m["Msg"], m["Nonce"], m["Signature"]); + }); return fails; } + |