/*************************************************************************/ /* test_crypto.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifndef TEST_CRYPTO_H #define TEST_CRYPTO_H #include "core/crypto/crypto.h" #include "tests/test_macros.h" #include <stdio.h> namespace TestCrypto { class _MockCrypto : public Crypto { virtual PackedByteArray generate_random_bytes(int p_bytes) { return PackedByteArray(); } virtual Ref<CryptoKey> generate_rsa(int p_bytes) { return nullptr; } virtual Ref<X509Certificate> generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after) { return nullptr; } virtual Vector<uint8_t> sign(HashingContext::HashType p_hash_type, Vector<uint8_t> p_hash, Ref<CryptoKey> p_key) { return Vector<uint8_t>(); } virtual bool verify(HashingContext::HashType p_hash_type, Vector<uint8_t> p_hash, Vector<uint8_t> p_signature, Ref<CryptoKey> p_key) { return false; } virtual Vector<uint8_t> encrypt(Ref<CryptoKey> p_key, Vector<uint8_t> p_plaintext) { return Vector<uint8_t>(); } virtual Vector<uint8_t> decrypt(Ref<CryptoKey> p_key, Vector<uint8_t> p_ciphertext) { return Vector<uint8_t>(); } virtual PackedByteArray hmac_digest(HashingContext::HashType p_hash_type, PackedByteArray p_key, PackedByteArray p_msg) { return PackedByteArray(); } }; PackedByteArray raw_to_pba(const uint8_t *arr, size_t len) { PackedByteArray pba; pba.resize(len); for (size_t i = 0; i < len; i++) { pba.set(i, arr[i]); } return pba; } TEST_CASE("[Crypto] PackedByteArray constant time compare") { const uint8_t hm1[] = { 144, 140, 176, 38, 88, 113, 101, 45, 71, 105, 10, 91, 248, 16, 117, 244, 189, 30, 238, 29, 219, 134, 82, 130, 212, 114, 161, 166, 188, 169, 200, 106 }; const uint8_t hm2[] = { 80, 30, 144, 228, 108, 38, 188, 125, 150, 64, 165, 127, 221, 118, 144, 232, 45, 100, 15, 248, 193, 244, 245, 34, 116, 147, 132, 200, 110, 27, 38, 75 }; PackedByteArray p1 = raw_to_pba(hm1, sizeof(hm1) / sizeof(hm1[0])); PackedByteArray p2 = raw_to_pba(hm2, sizeof(hm2) / sizeof(hm2[0])); _MockCrypto crypto; bool equal = crypto.constant_time_compare(p1, p1); CHECK(equal); equal = crypto.constant_time_compare(p1, p2); CHECK(!equal); } } // namespace TestCrypto #endif // TEST_CRYPTO_H