mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-11-23 09:28:07 +01:00
137 lines
5.7 KiB
C++
137 lines
5.7 KiB
C++
#ifndef CRYPTO_H
|
|
#define CRYPTO_H
|
|
/*************************************************************************/
|
|
/* crypto.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 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. */
|
|
/*************************************************************************/
|
|
|
|
|
|
|
|
|
|
#include "core/crypto/hashing_context.h"
|
|
#include "core/reference.h"
|
|
#include "core/resource.h"
|
|
|
|
#include "core/io/resource_loader.h"
|
|
#include "core/io/resource_saver.h"
|
|
|
|
class CryptoKey : public Resource {
|
|
GDCLASS(CryptoKey, Resource);
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
static CryptoKey *(*_create)();
|
|
|
|
public:
|
|
static CryptoKey *create();
|
|
virtual Error load(String p_path, bool p_public_only = false) = 0;
|
|
virtual Error save(String p_path, bool p_public_only = false) = 0;
|
|
virtual String save_to_string(bool p_public_only = false) = 0;
|
|
virtual Error load_from_string(String p_string_key, bool p_public_only = false) = 0;
|
|
virtual bool is_public_only() const = 0;
|
|
};
|
|
|
|
class X509Certificate : public Resource {
|
|
GDCLASS(X509Certificate, Resource);
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
static X509Certificate *(*_create)();
|
|
|
|
public:
|
|
static X509Certificate *create();
|
|
virtual Error load(String p_path) = 0;
|
|
virtual Error load_from_memory(const uint8_t *p_buffer, int p_len) = 0;
|
|
virtual Error save(String p_path) = 0;
|
|
};
|
|
|
|
class HMACContext : public Reference {
|
|
GDCLASS(HMACContext, Reference);
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
static HMACContext *(*_create)();
|
|
|
|
public:
|
|
static HMACContext *create();
|
|
|
|
virtual Error start(HashingContext::HashType p_hash_type, PoolByteArray p_key) = 0;
|
|
virtual Error update(PoolByteArray p_data) = 0;
|
|
virtual PoolByteArray finish() = 0;
|
|
|
|
HMACContext() {}
|
|
virtual ~HMACContext() {}
|
|
};
|
|
|
|
class Crypto : public Reference {
|
|
GDCLASS(Crypto, Reference);
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
static Crypto *(*_create)();
|
|
static void (*_load_default_certificates)(String p_path);
|
|
|
|
public:
|
|
static Crypto *create();
|
|
static void load_default_certificates(String p_path);
|
|
|
|
virtual PoolByteArray generate_random_bytes(int p_bytes) = 0;
|
|
virtual Ref<CryptoKey> generate_rsa(int p_bytes) = 0;
|
|
virtual Ref<X509Certificate> generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after) = 0;
|
|
|
|
virtual Vector<uint8_t> sign(HashingContext::HashType p_hash_type, Vector<uint8_t> p_hash, Ref<CryptoKey> p_key) = 0;
|
|
virtual bool verify(HashingContext::HashType p_hash_type, Vector<uint8_t> p_hash, Vector<uint8_t> p_signature, Ref<CryptoKey> p_key) = 0;
|
|
virtual Vector<uint8_t> encrypt(Ref<CryptoKey> p_key, Vector<uint8_t> p_plaintext) = 0;
|
|
virtual Vector<uint8_t> decrypt(Ref<CryptoKey> p_key, Vector<uint8_t> p_ciphertext) = 0;
|
|
|
|
PoolByteArray hmac_digest(HashingContext::HashType p_hash_type, PoolByteArray p_key, PoolByteArray p_msg);
|
|
|
|
// Compares two PoolByteArrays for equality without leaking timing information in order to prevent timing attacks.
|
|
// @see: https://paragonie.com/blog/2015/11/preventing-timing-attacks-on-string-comparison-with-double-hmac-strategy
|
|
bool constant_time_compare(PoolByteArray p_trusted, PoolByteArray p_received);
|
|
|
|
Crypto();
|
|
};
|
|
|
|
class ResourceFormatLoaderCrypto : public ResourceFormatLoader {
|
|
public:
|
|
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr);
|
|
virtual void get_recognized_extensions(List<String> *p_extensions) const;
|
|
virtual bool handles_type(const String &p_type) const;
|
|
virtual String get_resource_type(const String &p_path) const;
|
|
};
|
|
|
|
class ResourceFormatSaverCrypto : public ResourceFormatSaver {
|
|
public:
|
|
virtual Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0);
|
|
virtual void get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const;
|
|
virtual bool recognize(const RES &p_resource) const;
|
|
};
|
|
|
|
#endif // CRYPTO_H
|