virtualx-engine/core/math/crypto_core.h
Fabio Alessandrelli 5cb41faece Fix CryptoCore signatures, add SHA1 context.
Fix hash size in SHA256 signature
Fix source parameter in hash context update function to be const.
Add SHA1 hash context.
2019-08-19 16:29:37 +02:00

104 lines
3.9 KiB
C++

/*************************************************************************/
/* crypto_core.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 CRYPTO_CORE_H
#define CRYPTO_CORE_H
#include "core/reference.h"
class CryptoCore {
public:
class MD5Context {
private:
void *ctx; // To include, or not to include...
public:
MD5Context();
~MD5Context();
Error start();
Error update(const uint8_t *p_src, size_t p_len);
Error finish(unsigned char r_hash[16]);
};
class SHA1Context {
private:
void *ctx; // To include, or not to include...
public:
SHA1Context();
~SHA1Context();
Error start();
Error update(const uint8_t *p_src, size_t p_len);
Error finish(unsigned char r_hash[20]);
};
class SHA256Context {
private:
void *ctx; // To include, or not to include...
public:
SHA256Context();
~SHA256Context();
Error start();
Error update(const uint8_t *p_src, size_t p_len);
Error finish(unsigned char r_hash[32]);
};
class AESContext {
private:
void *ctx; // To include, or not to include...
public:
AESContext();
~AESContext();
Error set_encode_key(const uint8_t *p_key, size_t p_bits);
Error set_decode_key(const uint8_t *p_key, size_t p_bits);
Error encrypt_ecb(const uint8_t p_src[16], uint8_t r_dst[16]);
Error decrypt_ecb(const uint8_t p_src[16], uint8_t r_dst[16]);
};
static String b64_encode_str(const uint8_t *p_src, int p_src_len);
static Error b64_encode(uint8_t *r_dst, int p_dst_len, size_t *r_len, const uint8_t *p_src, int p_src_len);
static Error b64_decode(uint8_t *r_dst, int p_dst_len, size_t *r_len, const uint8_t *p_src, int p_src_len);
static Error md5(const uint8_t *p_src, int p_src_len, unsigned char r_hash[16]);
static Error sha1(const uint8_t *p_src, int p_src_len, unsigned char r_hash[20]);
static Error sha256(const uint8_t *p_src, int p_src_len, unsigned char r_hash[32]);
};
#endif // CRYPTO_CORE_H