131 lines
5.1 KiB
C++
131 lines
5.1 KiB
C++
/*************************************************************************/
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/* crypto_mbedtls.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef CRYPTO_MBEDTLS_H
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#define CRYPTO_MBEDTLS_H
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#include "core/crypto/crypto.h"
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#include "core/resource.h"
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#include <mbedtls/ctr_drbg.h>
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#include <mbedtls/entropy.h>
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#include <mbedtls/ssl.h>
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class CryptoMbedTLS;
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class SSLContextMbedTLS;
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class CryptoKeyMbedTLS : public CryptoKey {
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private:
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mbedtls_pk_context pkey;
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int locks = 0;
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bool public_only = true;
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public:
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static CryptoKey *create();
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static void make_default() { CryptoKey::_create = create; }
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static void finalize() { CryptoKey::_create = nullptr; }
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virtual Error load(String p_path, bool p_public_only);
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virtual Error save(String p_path, bool p_public_only);
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virtual String save_to_string(bool p_public_only);
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virtual Error load_from_string(String p_string_key, bool p_public_only);
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virtual bool is_public_only() const { return public_only; };
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CryptoKeyMbedTLS() {
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mbedtls_pk_init(&pkey);
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locks = 0;
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}
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~CryptoKeyMbedTLS() {
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mbedtls_pk_free(&pkey);
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}
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_FORCE_INLINE_ void lock() { locks++; }
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_FORCE_INLINE_ void unlock() { locks--; }
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friend class CryptoMbedTLS;
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friend class SSLContextMbedTLS;
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};
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class X509CertificateMbedTLS : public X509Certificate {
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private:
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mbedtls_x509_crt cert;
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int locks;
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public:
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static X509Certificate *create();
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static void make_default() { X509Certificate::_create = create; }
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static void finalize() { X509Certificate::_create = nullptr; }
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virtual Error load(String p_path);
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virtual Error load_from_memory(const uint8_t *p_buffer, int p_len);
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virtual Error save(String p_path);
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X509CertificateMbedTLS() {
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mbedtls_x509_crt_init(&cert);
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locks = 0;
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}
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~X509CertificateMbedTLS() {
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mbedtls_x509_crt_free(&cert);
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}
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_FORCE_INLINE_ void lock() { locks++; }
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_FORCE_INLINE_ void unlock() { locks--; }
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friend class CryptoMbedTLS;
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friend class SSLContextMbedTLS;
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};
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class CryptoMbedTLS : public Crypto {
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private:
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mbedtls_entropy_context entropy;
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mbedtls_ctr_drbg_context ctr_drbg;
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static X509CertificateMbedTLS *default_certs;
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mbedtls_md_type_t _md_type_from_hashtype(HashingContext::HashType p_hash_type, int &r_size);
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public:
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static Crypto *create();
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static void initialize_crypto();
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static void finalize_crypto();
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static X509CertificateMbedTLS *get_default_certificates();
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static void load_default_certificates(String p_path);
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virtual PoolByteArray generate_random_bytes(int p_bytes);
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virtual Ref<CryptoKey> generate_rsa(int p_bytes);
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virtual Ref<X509Certificate> generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after);
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virtual Vector<uint8_t> sign(HashingContext::HashType p_hash_type, Vector<uint8_t> p_hash, Ref<CryptoKey> p_key);
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virtual bool verify(HashingContext::HashType p_hash_type, Vector<uint8_t> p_hash, Vector<uint8_t> p_signature, Ref<CryptoKey> p_key);
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virtual Vector<uint8_t> encrypt(Ref<CryptoKey> p_key, Vector<uint8_t> p_plaintext);
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virtual Vector<uint8_t> decrypt(Ref<CryptoKey> p_key, Vector<uint8_t> p_ciphertext);
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CryptoMbedTLS();
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~CryptoMbedTLS();
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};
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#endif // CRYPTO_MBEDTLS_H
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