/* * (C) 2015 Jack Lloyd * (C) 2016 René Korthaus * * Botan is released under the Simplified BSD License (see license.txt) */ #include "tests.h" #include #if defined(BOTAN_HAS_FFI) #include #include #endif namespace Botan_Tests { namespace { #if defined(BOTAN_HAS_FFI) #define TEST_FFI_OK(func, args) result.test_rc_ok(#func, func args) #define TEST_FFI_FAIL(msg, func, args) result.test_rc_fail(#func, msg, func args) #define TEST_FFI_RC(rc, func, args) result.test_rc(#func, rc, func args) #define REQUIRE_FFI_OK(func, args) \ if(!TEST_FFI_OK(func, args)) { \ result.test_note("Exiting test early due to failure"); \ return result; \ } class FFI_Unit_Tests : public Test { public: std::vector run() override { Test::Result result("FFI"); result.test_is_eq("FFI API version", botan_ffi_api_version(), uint32_t(BOTAN_HAS_FFI)); result.test_is_eq("Major version", botan_version_major(), Botan::version_major()); result.test_is_eq("Minor version", botan_version_minor(), Botan::version_minor()); result.test_is_eq("Patch version", botan_version_patch(), Botan::version_patch()); result.test_is_eq("Botan version", botan_version_string(), Botan::version_cstr()); result.test_is_eq("Botan version datestamp", botan_version_datestamp(), Botan::version_datestamp()); result.test_is_eq("FFI supports its own version", botan_ffi_supports_api(botan_ffi_api_version()), 0); const std::vector mem1 = { 0xFF, 0xAA, 0xFF }; const std::vector mem2 = mem1; const std::vector mem3 = { 0xFF, 0xA9, 0xFF }; TEST_FFI_RC(0, botan_same_mem, (mem1.data(), mem2.data(), mem1.size())); TEST_FFI_RC(-1, botan_same_mem, (mem1.data(), mem3.data(), mem1.size())); const std::vector bin = { 0xAA, 0xDE, 0x01 }; const char* input_str = "ABC"; std::string outstr; std::vector outbuf; //char namebuf[32]; outstr.resize(2*bin.size()); TEST_FFI_OK(botan_hex_encode, (bin.data(), bin.size(), &outstr[0], 0)); result.test_eq("uppercase hex", outstr, "AADE01"); TEST_FFI_OK(botan_hex_encode, (bin.data(), bin.size(), &outstr[0], BOTAN_FFI_HEX_LOWER_CASE)); result.test_eq("lowercase hex", outstr, "aade01"); // RNG test and initialization botan_rng_t rng; TEST_FFI_FAIL("invalid rng type", botan_rng_init, (&rng, "invalid_type")); outbuf.resize(512); if(TEST_FFI_OK(botan_rng_init, (&rng, "system"))) { TEST_FFI_OK(botan_rng_get, (rng, outbuf.data(), outbuf.size())); TEST_FFI_OK(botan_rng_reseed, (rng, 256)); TEST_FFI_OK(botan_rng_destroy, (rng)); } TEST_FFI_OK(botan_rng_init, (&rng, "user")); TEST_FFI_OK(botan_rng_get, (rng, outbuf.data(), outbuf.size())); TEST_FFI_OK(botan_rng_reseed, (rng, 256)); // used for the rest of this function and destroyed at the end // hashing test botan_hash_t hash; TEST_FFI_FAIL("invalid hash name", botan_hash_init, (&hash, "SHA-255", 0)); TEST_FFI_FAIL("invalid flags", botan_hash_init, (&hash, "SHA-256", 1)); if(TEST_FFI_OK(botan_hash_init, (&hash, "SHA-256", 0))) { /* TEST_FFI_FAIL("output buffer too short", botan_hash_name, (hash, namebuf, 5)); if(TEST_FFI_OK(botan_hash_name, (hash, namebuf, sizeof(namebuf)))) { result.test_eq("hash name", std::string(namebuf), "SHA-256"); } */ size_t output_len; if(TEST_FFI_OK(botan_hash_output_length, (hash, &output_len))) { result.test_eq("hash output length", output_len, 32); outbuf.resize(output_len); // Test that after clear or final the object can be reused for(size_t r = 0; r != 2; ++r) { TEST_FFI_OK(botan_hash_update, (hash, reinterpret_cast(input_str), 1)); TEST_FFI_OK(botan_hash_clear, (hash)); TEST_FFI_OK(botan_hash_update, (hash, reinterpret_cast(input_str), std::strlen(input_str))); TEST_FFI_OK(botan_hash_final, (hash, outbuf.data())); result.test_eq("SHA-256 output", outbuf, "B5D4045C3F466FA91FE2CC6ABE79232A1A57CDF104F7A26E716E0A1E2789DF78"); } } TEST_FFI_OK(botan_hash_destroy, (hash)); } // MAC test botan_mac_t mac; TEST_FFI_FAIL("bad flag", botan_mac_init, (&mac, "HMAC(SHA-256)", 1)); TEST_FFI_FAIL("bad name", botan_mac_init, (&mac, "HMAC(SHA-259)", 0)); if(TEST_FFI_OK(botan_mac_init, (&mac, "HMAC(SHA-256)", 0))) { /* TEST_FFI_FAIL("output buffer too short", botan_mac_name, (mac, namebuf, 5)); if(TEST_FFI_OK(botan_mac_name, (mac, namebuf, 20))) { result.test_eq("mac name", std::string(namebuf), "HMAC(SHA-256)"); } */ size_t output_len; if(TEST_FFI_OK(botan_mac_output_length, (mac, &output_len))) { result.test_eq("MAC output length", output_len, 32); const uint8_t mac_key[] = { 0xAA, 0xBB, 0xCC, 0xDD }; outbuf.resize(output_len); // Test that after clear or final the object can be reused for(size_t r = 0; r != 2; ++r) { TEST_FFI_OK(botan_mac_set_key, (mac, mac_key, sizeof(mac_key))); TEST_FFI_OK(botan_mac_update, (mac, reinterpret_cast(input_str), std::strlen(input_str))); TEST_FFI_OK(botan_mac_clear, (mac)); TEST_FFI_OK(botan_mac_set_key, (mac, mac_key, sizeof(mac_key))); TEST_FFI_OK(botan_mac_update, (mac, reinterpret_cast(input_str), std::strlen(input_str))); TEST_FFI_OK(botan_mac_final, (mac, outbuf.data())); result.test_eq("HMAC output", outbuf, "1A82EEA984BC4A7285617CC0D05F1FE1D6C96675924A81BC965EE8FF7B0697A7"); } } TEST_FFI_OK(botan_mac_destroy, (mac)); } // KDF test const std::vector pbkdf_salt = Botan::hex_decode("ED1F39A0A7F3889AAF7E60743B3BC1CC2C738E60"); const std::string passphrase = "ltexmfeyylmlbrsyikaw"; const size_t pbkdf_out_len = 10; const size_t pbkdf_iterations = 1000; outbuf.resize(pbkdf_out_len); if(TEST_FFI_OK(botan_pbkdf, ("PBKDF2(SHA-1)", outbuf.data(), outbuf.size(), passphrase.c_str(), pbkdf_salt.data(), pbkdf_salt.size(), pbkdf_iterations))) { result.test_eq("PBKDF output", outbuf, "027AFADD48F4BE8DCC4F"); } size_t iters_10ms, iters_100ms; TEST_FFI_OK(botan_pbkdf_timed, ("PBKDF2(SHA-1)", outbuf.data(), outbuf.size(), passphrase.c_str(), pbkdf_salt.data(), pbkdf_salt.size(), 10, &iters_10ms)); TEST_FFI_OK(botan_pbkdf_timed, ("PBKDF2(SHA-1)", outbuf.data(), outbuf.size(), passphrase.c_str(), pbkdf_salt.data(), pbkdf_salt.size(), 100, &iters_100ms)); result.test_note("PBKDF timed 10 ms " + std::to_string(iters_10ms) + " iterations " + "100 ms " + std::to_string(iters_100ms) + " iterations"); const std::vector kdf_secret = Botan::hex_decode("92167440112E"); const std::vector kdf_salt = Botan::hex_decode("45A9BEDED69163123D0348F5185F61ABFB1BF18D6AEA454F"); const size_t kdf_out_len = 18; outbuf.resize(kdf_out_len); if(TEST_FFI_OK(botan_kdf, ("KDF2(SHA-1)", outbuf.data(), outbuf.size(), kdf_secret.data(), kdf_secret.size(), kdf_salt.data(), kdf_salt.size(), nullptr, 0))) { result.test_eq("KDF output", outbuf, "3A5DC9AA1C872B4744515AC2702D6396FC2A"); } size_t out_len = 64; outstr.resize(out_len); int rc = botan_bcrypt_generate(reinterpret_cast(&outstr[0]), &out_len, passphrase.c_str(), rng, 3, 0); if(rc == 0) { result.test_eq("bcrypt output size", out_len, 61); TEST_FFI_OK(botan_bcrypt_is_valid, (passphrase.c_str(), outstr.data())); TEST_FFI_FAIL("bad password", botan_bcrypt_is_valid, ("nope", outstr.data())); } // TODO: Cipher test /* botan_cipher_t cipher_encrypt, cipher_decrypt; if(TEST_FFI_OK(botan_cipher_init, (&cipher_encrypt, "AES-128/CBC", BOTAN_CIPHER_INIT_FLAG_ENCRYPT))) { size_t min_keylen = 0; size_t max_keylen = 0; TEST_FFI_OK(botan_cipher_query_keylen, (cipher_encrypt, &min_keylen, &max_keylen)); result.test_int_eq(min_keylen, 16, "Min key length"); result.test_int_eq(max_keylen, 16, "Max key length"); std::vector plaintext(256); std::vector nonce(16); TEST_FFI_OK(botan_rng_get, (rng, plaintext.data(), plaintext.size())); TEST_FFI_OK(botan_rng_get, (rng, nonce.data(), nonce.size())); std::vector ciphertext(plaintext.size()); // TODO: no way to know this size from API const std::vector symkey = { 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 }; size_t output_written = 0; size_t input_consumed = 0; // Test that after clear or final the object can be reused for(size_t r = 0; r != 2; ++r) { TEST_FFI_OK(botan_cipher_start, (cipher_encrypt, nonce.data(), nonce.size())); TEST_FFI_OK(botan_cipher_set_key, (cipher_encrypt, symkey.data(), symkey.size())); TEST_FFI_OK(botan_cipher_update, (cipher_encrypt, 0, ciphertext.data(), ciphertext.size(), &output_written, plaintext.data(), plaintext.size(), &input_consumed)); TEST_FFI_OK(botan_cipher_clear, (cipher_encrypt)); TEST_FFI_OK(botan_cipher_start, (cipher_encrypt, nonce.data(), nonce.size())); TEST_FFI_OK(botan_cipher_set_key, (cipher_encrypt, symkey.data(), symkey.size())); TEST_FFI_OK(botan_cipher_update, (cipher_encrypt, BOTAN_CIPHER_UPDATE_FLAG_FINAL, ciphertext.data(), ciphertext.size(), &output_written, plaintext.data(), plaintext.size(), &input_consumed)); if(TEST_FFI_OK(botan_cipher_init, (&cipher_decrypt, "AES-128/CBC", BOTAN_CIPHER_INIT_FLAG_DECRYPT))) { std::vector decrypted(plaintext.size()); TEST_FFI_OK(botan_cipher_start, (cipher_decrypt, nonce.data(), nonce.size())); TEST_FFI_OK(botan_cipher_set_key, (cipher_decrypt, symkey.data(), symkey.size())); TEST_FFI_OK(botan_cipher_update, (cipher_decrypt, BOTAN_CIPHER_UPDATE_FLAG_FINAL, decrypted.data(), decrypted.size(), &output_written, ciphertext.data(), ciphertext.size(), &input_consumed)); result.test_eq("AES plaintext", decrypted, plaintext); TEST_FFI_OK(botan_cipher_destroy, (cipher_decrypt)); } } TEST_FFI_OK(botan_cipher_destroy, (cipher_encrypt)); } */ // TODO: AEAD test // TODO ONCE MORE WITH AES-GCM // botan_cipher_set_associated_data // botan_cipher_valid_nonce_length // botan_cipher_get_default_nonce_length // botan_cipher_get_tag_length // x509 cert test botan_x509_cert_t cert; if(TEST_FFI_OK(botan_x509_cert_load_file, (&cert, "src/tests/data/ecc/CSCA.CSCA.csca-germany.1.crt"))) { size_t date_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_time_starts, (cert, nullptr, &date_len)); std::string date(date_len-1, '0'); TEST_FFI_OK(botan_x509_cert_get_time_starts, (cert, &date[0], &date_len)); result.test_eq("cert valid from", date, "070719152718Z"); date_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_time_expires, (cert, nullptr, &date_len)); date.resize(date_len-1); TEST_FFI_OK(botan_x509_cert_get_time_expires, (cert, &date[0], &date_len)); result.test_eq("cert valid until", date, "280119151800Z"); size_t serial_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_serial_number, (cert, nullptr, &serial_len)); std::vector serial(serial_len); TEST_FFI_OK(botan_x509_cert_get_serial_number, (cert, serial.data(), &serial_len)); result.test_eq("cert serial length", serial.size(), 1); result.test_int_eq(serial[0], 1, "cert serial"); size_t fingerprint_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_fingerprint, (cert, "SHA-256", nullptr, &fingerprint_len)); std::vector fingerprint(fingerprint_len); TEST_FFI_OK(botan_x509_cert_get_fingerprint, (cert, "SHA-256", fingerprint.data(), &fingerprint_len)); result.test_eq("cert fingerprint", reinterpret_cast(fingerprint.data()), "3B:6C:99:1C:D6:5A:51:FC:EB:17:E3:AA:F6:3C:1A:DA:14:1F:82:41:30:6F:64:EE:FF:63:F3:1F:D6:07:14:9F"); size_t key_id_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_authority_key_id, (cert, nullptr, &key_id_len)); std::vector key_id(key_id_len); TEST_FFI_OK(botan_x509_cert_get_authority_key_id, (cert, key_id.data(), &key_id_len)); result.test_eq("cert authority key id", Botan::hex_encode(key_id.data(), key_id.size(), true), "0096452DE588F966C4CCDF161DD1F3F5341B71E7"); key_id_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_subject_key_id, (cert, nullptr, &key_id_len)); key_id.resize(key_id_len); TEST_FFI_OK(botan_x509_cert_get_subject_key_id, (cert, key_id.data(), &key_id_len)); result.test_eq("cert subject key id", Botan::hex_encode(key_id.data(), key_id.size(), true), "0096452DE588F966C4CCDF161DD1F3F5341B71E7"); size_t pubkey_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_public_key_bits, (cert, nullptr, &pubkey_len)); std::vector pubkey(pubkey_len); TEST_FFI_OK(botan_x509_cert_get_public_key_bits, (cert, pubkey.data(), &pubkey_len)); botan_pubkey_t pub; if(TEST_FFI_OK(botan_x509_cert_get_public_key, (cert, &pub))) { TEST_FFI_OK(botan_pubkey_destroy, (pub)); } size_t dn_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_issuer_dn, (cert, "Name", 0, nullptr, &dn_len)); std::vector dn(dn_len); TEST_FFI_OK(botan_x509_cert_get_issuer_dn, (cert, "Name", 0, dn.data(), &dn_len)); result.test_eq("issuer dn", reinterpret_cast(dn.data()), "csca-germany"); dn_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_get_subject_dn, (cert, "Name", 0, nullptr, &dn_len)); dn.resize(dn_len); TEST_FFI_OK(botan_x509_cert_get_subject_dn, (cert, "Name", 0, dn.data(), &dn_len)); result.test_eq("subject dn", reinterpret_cast(dn.data()), "csca-germany"); size_t printable_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_x509_cert_to_string, (cert, nullptr, &printable_len)); std::string printable(printable_len-1, '0'); TEST_FFI_OK(botan_x509_cert_to_string, (cert, &printable[0], &printable_len)); TEST_FFI_RC(0, botan_x509_cert_allowed_usage, (cert, KEY_CERT_SIGN)); TEST_FFI_RC(0, botan_x509_cert_allowed_usage, (cert, CRL_SIGN)); TEST_FFI_RC(1, botan_x509_cert_allowed_usage, (cert, DIGITAL_SIGNATURE)); TEST_FFI_OK(botan_x509_cert_destroy, (cert)); } std::vector results; results.push_back(ffi_test_rsa(rng)); results.push_back(ffi_test_ecdsa(rng)); results.push_back(ffi_test_ecdh(rng)); results.push_back(ffi_test_mceliece(rng)); TEST_FFI_OK(botan_rng_destroy, (rng)); results.push_back(result); return results; } private: void ffi_test_pubkey_export(Test::Result& result, botan_pubkey_t pub, botan_privkey_t priv, botan_rng_t rng) { // export public key size_t pubkey_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_pubkey_export, (pub, nullptr, &pubkey_len, BOTAN_PRIVKEY_EXPORT_FLAG_DER)); std::vector pubkey(pubkey_len); TEST_FFI_OK(botan_pubkey_export, (pub, pubkey.data(), &pubkey_len, BOTAN_PRIVKEY_EXPORT_FLAG_DER)); pubkey_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_pubkey_export, (pub, nullptr, &pubkey_len, BOTAN_PRIVKEY_EXPORT_FLAG_PEM)); pubkey.resize(pubkey_len); TEST_FFI_OK(botan_pubkey_export, (pub, pubkey.data(), &pubkey_len, BOTAN_PRIVKEY_EXPORT_FLAG_PEM)); // export private key std::vector privkey; size_t privkey_len = 0; /* * botan_privkey_export is bogus for several reasons. first it hardcodes a 300 msec * pbkdf, instead of taking that as an argument. secondly, calling it twice not only * returns different results (due to the encryption) but they may have different sizes, * if the number of PBKDF iterations that is used in the two runs differs greatly, and * ends up encoding as fewer bytes in the variable length ASN.1 encoding used in PKCS #8 * private key encryption. * * here request the size but then add a few bytes. this is an attempt to avoid occasional * cases on CI where the above case occurs, and the build fails because on the second * call, more space was required than the first call had returned. */ const size_t privkey_size_slop = 64; // call with nullptr to query the length TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_privkey_export, (priv, nullptr, &privkey_len, BOTAN_PRIVKEY_EXPORT_FLAG_DER)); privkey.resize(privkey_len + privkey_size_slop); privkey_len = privkey.size(); // set buffer size TEST_FFI_OK(botan_privkey_export, (priv, privkey.data(), &privkey_len, BOTAN_PRIVKEY_EXPORT_FLAG_DER)); privkey.resize(privkey_len); result.test_lt("Reasonable size", 64, privkey.size()); // Now again for PEM privkey_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_privkey_export, (priv, nullptr, &privkey_len, BOTAN_PRIVKEY_EXPORT_FLAG_PEM)); privkey.resize(privkey_len); TEST_FFI_OK(botan_privkey_export, (priv, privkey.data(), &privkey_len, BOTAN_PRIVKEY_EXPORT_FLAG_PEM)); // export private key encrypted privkey_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_privkey_export_encrypted, (priv, nullptr, &privkey_len, rng, "password", "", BOTAN_PRIVKEY_EXPORT_FLAG_DER)); privkey.resize(privkey_len + privkey_size_slop); privkey_len = privkey.size(); TEST_FFI_OK(botan_privkey_export_encrypted, (priv, privkey.data(), &privkey_len, rng, "password", "", BOTAN_PRIVKEY_EXPORT_FLAG_DER)); privkey_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_privkey_export_encrypted, (priv, nullptr, &privkey_len, rng, "password", "", BOTAN_PRIVKEY_EXPORT_FLAG_PEM)); privkey.resize(privkey_len); TEST_FFI_OK(botan_privkey_export_encrypted, (priv, privkey.data(), &privkey_len, rng, "password", "", BOTAN_PRIVKEY_EXPORT_FLAG_PEM)); // calculate fingerprint size_t strength = 0; TEST_FFI_OK(botan_pubkey_estimated_strength, (pub, &strength)); result.test_gte("estimated strength", strength, 1); size_t fingerprint_len = 0; TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_pubkey_fingerprint, (pub, "SHA-512", nullptr, &fingerprint_len)); std::vector fingerprint(fingerprint_len); TEST_FFI_OK(botan_pubkey_fingerprint, (pub, "SHA-512", fingerprint.data(), &fingerprint_len)); } Test::Result ffi_test_rsa(botan_rng_t rng) { Test::Result result("FFI"); botan_privkey_t priv; if(TEST_FFI_OK(botan_privkey_create_rsa, (&priv, rng, 1024))) { botan_pubkey_t pub; TEST_FFI_OK(botan_privkey_export_pubkey, (&pub, priv)); ffi_test_pubkey_export(result, pub, priv, rng); char namebuf[32] = { 0 }; size_t name_len = sizeof(namebuf); if(TEST_FFI_OK(botan_pubkey_algo_name, (pub, namebuf, &name_len))) { result.test_eq("algo name", std::string(namebuf), "RSA"); } botan_pk_op_encrypt_t encrypt; if(TEST_FFI_OK(botan_pk_op_encrypt_create, (&encrypt, pub, "OAEP(SHA-256)", 0))) { std::vector plaintext(32); TEST_FFI_OK(botan_rng_get, (rng, plaintext.data(), plaintext.size())); std::vector ciphertext(256); // TODO: no way to know this size from API size_t ctext_len = ciphertext.size(); if(TEST_FFI_OK(botan_pk_op_encrypt, (encrypt, rng, ciphertext.data(), &ctext_len, plaintext.data(), plaintext.size()))) { ciphertext.resize(ctext_len); botan_pk_op_decrypt_t decrypt; if(TEST_FFI_OK(botan_pk_op_decrypt_create, (&decrypt, priv, "OAEP(SHA-256)", 0))) { std::vector decrypted(256); // TODO as with above size_t decrypted_len = decrypted.size(); TEST_FFI_OK(botan_pk_op_decrypt, (decrypt, decrypted.data(), &decrypted_len, ciphertext.data(), ciphertext.size())); decrypted.resize(decrypted_len); result.test_eq("RSA plaintext", decrypted, plaintext); } TEST_FFI_OK(botan_pk_op_decrypt_destroy, (decrypt)); } TEST_FFI_OK(botan_pk_op_encrypt_destroy, (encrypt)); } TEST_FFI_OK(botan_pubkey_destroy, (pub)); TEST_FFI_OK(botan_privkey_destroy, (priv)); } return result; } Test::Result ffi_test_ecdsa(botan_rng_t rng) { Test::Result result("FFI"); botan_privkey_t priv; if(TEST_FFI_OK(botan_privkey_create_ecdsa, (&priv, rng, "secp384r1"))) { botan_pubkey_t pub; TEST_FFI_OK(botan_privkey_export_pubkey, (&pub, priv)); ffi_test_pubkey_export(result, pub, priv, rng); char namebuf[32] = { 0 }; size_t name_len = sizeof(namebuf); TEST_FFI_OK(botan_pubkey_algo_name, (pub, &namebuf[0], &name_len)); result.test_eq(namebuf, namebuf, "ECDSA"); std::vector message(1280), signature; TEST_FFI_OK(botan_rng_get, (rng, message.data(), message.size())); botan_pk_op_sign_t signer; if(TEST_FFI_OK(botan_pk_op_sign_create, (&signer, priv, "EMSA1(SHA-384)", 0))) { // TODO: break input into multiple calls to update TEST_FFI_OK(botan_pk_op_sign_update, (signer, message.data(), message.size())); signature.resize(96); // TODO: no way to derive this from API size_t sig_len = signature.size(); TEST_FFI_OK(botan_pk_op_sign_finish, (signer, rng, signature.data(), &sig_len)); signature.resize(sig_len); TEST_FFI_OK(botan_pk_op_sign_destroy, (signer)); } botan_pk_op_verify_t verifier; if(TEST_FFI_OK(botan_pk_op_verify_create, (&verifier, pub, "EMSA1(SHA-384)", 0))) { TEST_FFI_OK(botan_pk_op_verify_update, (verifier, message.data(), message.size())); TEST_FFI_OK(botan_pk_op_verify_finish, (verifier, signature.data(), signature.size())); // TODO: randomize this signature[0] ^= 1; TEST_FFI_OK(botan_pk_op_verify_update, (verifier, message.data(), message.size())); TEST_FFI_FAIL("bad signature", botan_pk_op_verify_finish, (verifier, signature.data(), signature.size())); message[0] ^= 1; TEST_FFI_OK(botan_pk_op_verify_update, (verifier, message.data(), message.size())); TEST_FFI_FAIL("bad signature", botan_pk_op_verify_finish, (verifier, signature.data(), signature.size())); signature[0] ^= 1; TEST_FFI_OK(botan_pk_op_verify_update, (verifier, message.data(), message.size())); TEST_FFI_FAIL("bad signature", botan_pk_op_verify_finish, (verifier, signature.data(), signature.size())); message[0] ^= 1; TEST_FFI_OK(botan_pk_op_verify_update, (verifier, message.data(), message.size())); TEST_FFI_OK(botan_pk_op_verify_finish, (verifier, signature.data(), signature.size())); TEST_FFI_OK(botan_pk_op_verify_destroy, (verifier)); } TEST_FFI_OK(botan_pubkey_destroy, (pub)); TEST_FFI_OK(botan_privkey_destroy, (priv)); } return result; } Test::Result ffi_test_ecdh(botan_rng_t rng) { Test::Result result("FFI"); botan_privkey_t priv1; REQUIRE_FFI_OK(botan_privkey_create_ecdh, (&priv1, rng, "secp256r1")); botan_privkey_t priv2; REQUIRE_FFI_OK(botan_privkey_create_ecdh, (&priv2, rng, "secp256r1")); botan_pubkey_t pub1; REQUIRE_FFI_OK(botan_privkey_export_pubkey, (&pub1, priv1)); botan_pubkey_t pub2; REQUIRE_FFI_OK(botan_privkey_export_pubkey, (&pub2, priv2)); ffi_test_pubkey_export(result, pub1, priv1, rng); ffi_test_pubkey_export(result, pub2, priv2, rng); botan_pk_op_ka_t ka1; REQUIRE_FFI_OK(botan_pk_op_key_agreement_create, (&ka1, priv1, "KDF2(SHA-256)", 0)); botan_pk_op_ka_t ka2; REQUIRE_FFI_OK(botan_pk_op_key_agreement_create, (&ka2, priv2, "KDF2(SHA-256)", 0)); std::vector pubkey1(256); // length problem again size_t pubkey1_len = pubkey1.size(); REQUIRE_FFI_OK(botan_pk_op_key_agreement_export_public, (priv1, pubkey1.data(), &pubkey1_len)); pubkey1.resize(pubkey1_len); std::vector pubkey2(256); // length problem again size_t pubkey2_len = pubkey2.size(); REQUIRE_FFI_OK(botan_pk_op_key_agreement_export_public, (priv2, pubkey2.data(), &pubkey2_len)); pubkey2.resize(pubkey2_len); std::vector salt(32); TEST_FFI_OK(botan_rng_get, (rng, salt.data(), salt.size())); const size_t shared_key_len = 64; std::vector key1(shared_key_len); size_t key1_len = key1.size(); TEST_FFI_OK(botan_pk_op_key_agreement, (ka1, key1.data(), &key1_len, pubkey2.data(), pubkey2.size(), salt.data(), salt.size())); std::vector key2(shared_key_len); size_t key2_len = key2.size(); TEST_FFI_OK(botan_pk_op_key_agreement, (ka2, key2.data(), &key2_len, pubkey1.data(), pubkey1.size(), salt.data(), salt.size())); result.test_eq("shared ECDH key", key1, key2); TEST_FFI_OK(botan_pk_op_key_agreement_destroy, (ka1)); TEST_FFI_OK(botan_pk_op_key_agreement_destroy, (ka2)); TEST_FFI_OK(botan_privkey_destroy, (priv1)); TEST_FFI_OK(botan_privkey_destroy, (priv2)); TEST_FFI_OK(botan_pubkey_destroy, (pub1)); TEST_FFI_OK(botan_pubkey_destroy, (pub2)); return result; } Test::Result ffi_test_mceliece(botan_rng_t rng) { Test::Result result("FFI"); botan_privkey_t priv; #if defined(BOTAN_HAS_MCELIECE) if (TEST_FFI_OK(botan_privkey_create_mceliece, (&priv, rng, 2048, 50))) { botan_pubkey_t pub; TEST_FFI_OK(botan_privkey_export_pubkey, (&pub, priv)); ffi_test_pubkey_export(result, pub, priv, rng); char namebuf[32] = { 0 }; size_t name_len = sizeof(namebuf); if (TEST_FFI_OK(botan_pubkey_algo_name, (pub, namebuf, &name_len))) { result.test_eq("algo name", std::string(namebuf), "McEliece"); } const uint64_t zero_seq = 0; uint8_t ad[8]; Botan::store_be(zero_seq, ad); const size_t ad_len = sizeof(ad); const Botan::secure_vector plaintext = Test::rng().random_vec(Test::rng().next_byte()); size_t plaintext_len = plaintext.size(); size_t ciphertext_len = 0; // first calculate ciphertext length TEST_FFI_RC(BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE, botan_mceies_encrypt, (pub, rng, "AES-256/OCB", plaintext.data(), plaintext.size(), ad, ad_len, nullptr, &ciphertext_len)); std::vector ciphertext(ciphertext_len); // now encrypt if (TEST_FFI_OK(botan_mceies_encrypt, (pub, rng, "AES-256/OCB", plaintext.data(), plaintext.size(), ad, ad_len, ciphertext.data(), &ciphertext_len))) { std::vector decrypted(plaintext.size()); size_t decrypted_len = plaintext_len; TEST_FFI_OK(botan_mceies_decrypt, (priv, "AES-256/OCB", ciphertext.data(), ciphertext.size(), ad, ad_len, decrypted.data(), &decrypted_len)); result.test_eq("MCIES plaintext", decrypted, plaintext); } TEST_FFI_OK(botan_pubkey_destroy, (pub)); TEST_FFI_OK(botan_privkey_destroy, (priv)); } #else // Not included, test that calling the FFI function work (and returns an error) TEST_FFI_RC(BOTAN_FFI_ERROR_NOT_IMPLEMENTED, botan_privkey_create_mceliece, (&priv, rng, 2048, 50)); #endif return result; } }; BOTAN_REGISTER_TEST("ffi", FFI_Unit_Tests); #endif } }