godot/tests/test_crypto.h

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2020-11-14 12:42:47 +00:00
/*************************************************************************/
/* test_crypto.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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