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Atmosphere/stratosphere/ro/source/ro_nrr.hpp
2019-04-21 05:28:57 -07:00

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/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <switch.h>
#include <stratosphere.hpp>
enum RoModuleType : u32 {
RoModuleType_ForSelf = 0,
RoModuleType_ForOthers = 1,
};
struct NrrHeader {
u32 magic;
u32 _0x4;
u32 _0x8;
u32 _0xC;
u64 title_id_mask;
u64 title_id_pattern;
u64 _0x20;
u64 _0x28;
u8 modulus[0x100];
u8 fixed_key_signature[0x100];
u8 nrr_signature[0x100];
u64 title_id;
u32 nrr_size;
u8 nrr_type; /* 7.0.0+ */
u8 _0x33D[3];
u32 hash_offset;
u32 num_hashes;
u64 _0x348;
};
static_assert(sizeof(NrrHeader) == 0x350, "NrrHeader definition!");
class NrrUtils {
public:
static constexpr u32 MagicNrr0 = 0x3052524E;
private:
static Result ValidateNrrSignature(const NrrHeader *header);
public:
static Result ValidateNrr(const NrrHeader *header, u64 size, u64 title_id, RoModuleType expected_type, bool enforce_type);
};