// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

// Based off of twintig http://git.infradead.org/?p=users/segher/wii.git
// Copyright 2007,2008  Segher Boessenkool  <segher@kernel.crashing.org>
// Licensed under the terms of the GNU GPL, version 2
// http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt

/*
 *
 * Structs for keys.bin taken from:
 *
 * mini - a Free Software replacement for the Nintendo/BroadOn IOS.
 * crypto hardware support
 *
 * Copyright (C) 2008, 2009 Haxx Enterprises <bushing@gmail.com>
 * Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
 * Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
 *
 * # This code is licensed to you under the terms of the GNU GPL, version 2;
 * # see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
 */

#pragma once

#include "Common/CommonFuncs.h"
#include "Common/CommonTypes.h"

void get_ng_cert(u8* ng_cert_out, u32 NG_id, u32 NG_key_id, const u8* NG_priv, const u8* NG_sig);
void get_ap_sig_and_cert(u8 *sig_out, u8 *ap_cert_out, u64 title_id, u8 *data, u32 data_size, const u8 *NG_priv, u32 NG_id);

void make_blanksig_ec_cert(u8 *cert_out, const char *signer, const char *name, const u8 *private_key, u32 key_id);


class EcWii
{
public:
	EcWii();
	~EcWii();
	static EcWii& GetInstance();
	u32 getNgId()         {return Common::swap32(BootMiiKeysBin.ng_id);}
	u32 getNgKeyId()      {return Common::swap32(BootMiiKeysBin.ng_key_id);}
	const u8* getNgPriv() {return BootMiiKeysBin.ng_priv;}
	const u8* getNgSig()  {return BootMiiKeysBin.ng_sig;}
private:
	void InitDefaults();

	#pragma pack(push,1)
	typedef struct
	{
		u8 boot2version;
		u8 unknown1;
		u8 unknown2;
		u8 pad;
		u32 update_tag;
		u16 checksum;
	}
#ifndef _WIN32
	__attribute__((packed))
#endif
	eep_ctr_t;

	struct
	{
		u8 creator              [0x100]; // 0x000
		u8 boot1_hash           [ 0x14]; // 0x100
		u8 common_key           [ 0x10]; // 0x114
		u32 ng_id;                       // 0x124
		union
		{
			struct
			{
				u8 ng_priv      [ 0x1e]; // 0x128
				u8 pad1         [ 0x12];
			};

			struct
			{
				u8 pad2         [ 0x1c];
				u8 nand_hmac    [ 0x14]; //0x144
			};
		};
		u8 nand_key             [ 0x10]; //0x158
		u8 rng_key              [ 0x10]; //0x168
		u32 unk1;                        //0x178
		u32 unk2;                        //0x17C
		u8 eeprom_pad           [ 0x80]; //0x180

		u32 ms_id;                       //0x200
		u32 ca_id;                       //0x204
		u32 ng_key_id;                   //0x208
		u8 ng_sig               [ 0x3c]; //0x20c
		eep_ctr_t counters      [ 0x02]; //0x248
		u8 fill                 [ 0x18]; //0x25c
		u8 korean_key           [ 0x10]; //0x274
		u8 pad3                 [ 0x74]; //0x284
		u16 prng_seed           [ 0x02]; //0x2F8
		u8 pad4                 [ 0x04]; //0x2FC

		u8 crack_pad            [0x100]; //0x300

	}

	#ifndef _WIN32
	__attribute__((packed))
	#endif

	BootMiiKeysBin;

	#pragma pack(pop)

};