/*
	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
*/

#ifndef __CRYPTO_H__
#define __CRYPTO_H__

#include "types.h"
#include "ipc.h"

typedef struct
{
	u8 boot1_hash[20];
	u8 common_key[16];
	u32 ng_id;
	union {
		 struct {
			 u8 ng_priv[30];
			 u8 _wtf1[18];
		 };
		 struct {
			 u8 _wtf2[28];
			 u8 nand_hmac[20];
		 };
	};
	u8 nand_key[16];
	u8 rng_key[16];
	u32 unk1;
	u32 unk2; // 0x00000007
} __attribute__((packed)) otp_t;

typedef struct
{
	u8 boot2version;
	u8 unknown1;
	u8 unknown2;
	u8 pad;
	u32 update_tag;
	u16 checksum;
} __attribute__((packed)) eep_ctr_t;

typedef struct
{
	union {
		struct {
			u32 dunno0; // 0x2 = MS
			u32 dunno1; // 0x1 = CA
			u32 ng_key_id;
			u8 ng_sig[60];
			eep_ctr_t counters[2];
			u8 fill[0x18];
			u8 korean_key[16];
		};
		u8 data[256];
	};
} __attribute__((packed)) seeprom_t;

extern otp_t otp;

void crypto_read_otp();
void crypto_ipc(volatile ipc_request *req);

void crypto_initialize();

void aes_reset(void);
void aes_set_iv(u8 *iv);
void aes_empty_iv();
void aes_set_key(u8 *key);
void aes_decrypt(u8 *src, u8 *dst, u32 blocks, u8 keep_iv);
void aes_ipc(volatile ipc_request *req);

#endif