216 Source/Core/Core/IOS/IOSC.cpp
View file
@@ -6,6 +6,7 @@

#include <algorithm>
#include <array>
#include <cinttypes>
#include <cstddef>
#include <cstring>
#include <map>
@@ -20,15 +21,98 @@
#include "Common/ChunkFile.h"
#include "Common/Crypto/AES.h"
#include "Common/Crypto/ec.h"
#include "Common/File.h"
#include "Common/FileUtil.h"
#include "Common/ScopeGuard.h"
#include "Common/StringUtil.h"
#include "Common/Swap.h"
#include "Core/IOS/Device.h"
#include "Core/ec_wii.h"

namespace
{
#pragma pack(push, 1)
/*
* 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
*/
struct BootMiiKeyDump
{
std::array<char, 256> creator;
std::array<u8, 20> boot1_hash; // 0x100
std::array<u8, 16> common_key; // 0x114
u32 ng_id; // 0x124
union
{
struct
{
std::array<u8, 0x1e> ng_priv; // 0x128
std::array<u8, 0x12> pad1;
};
struct
{
std::array<u8, 0x1c> pad2;
std::array<u8, 0x14> nand_hmac; // 0x144
};
};
std::array<u8, 16> nand_key; // 0x158
std::array<u8, 16> backup_key; // 0x168
u32 unk1; // 0x178
u32 unk2; // 0x17C
std::array<u8, 0x80> eeprom_pad; // 0x180

u32 ms_id; // 0x200
u32 ca_id; // 0x204
u32 ng_key_id; // 0x208
IOS::ECCSignature ng_sig; // 0x20c
struct Counter
{
u8 boot2version;
u8 unknown1;
u8 unknown2;
u8 pad;
u32 update_tag;
u16 checksum;
};
std::array<Counter, 2> counters; // 0x248
std::array<u8, 0x18> fill; // 0x25c
std::array<u8, 16> korean_key; // 0x274
std::array<u8, 0x74> pad3; // 0x284
std::array<u16, 2> prng_seed; // 0x2F8
std::array<u8, 4> pad4; // 0x2FC
std::array<u8, 0x100> crack_pad; // 0x300
};
static_assert(sizeof(BootMiiKeyDump) == 0x400, "Wrong size");
#pragma pack(pop)
} // end of anonymous namespace

namespace IOS
{
namespace HLE
{
constexpr u32 DEFAULT_DEVICE_ID = 0x0403AC68;
constexpr u32 DEFAULT_KEY_ID = 0x6AAB8C59;
constexpr std::array<u8, 30> DEFAULT_PRIVATE_KEY = {{
0x00, 0xAB, 0xEE, 0xC1, 0xDD, 0xB4, 0xA6, 0x16, 0x6B, 0x70, 0xFD, 0x7E, 0x56, 0x67, 0x70,
0x57, 0x55, 0x27, 0x38, 0xA3, 0x26, 0xC5, 0x46, 0x16, 0xF7, 0x62, 0xC9, 0xED, 0x73, 0xF2,
}};
constexpr ECCSignature DEFAULT_SIGNATURE = {{
// R
0x00, 0xD8, 0x81, 0x63, 0xB2, 0x00, 0x6B, 0x0B, 0x54, 0x82, 0x88, 0x63, 0x81, 0x1C, 0x00, 0x71,
0x12, 0xED, 0xB7, 0xFD, 0x21, 0xAB, 0x0E, 0x50, 0x0E, 0x1F, 0xBF, 0x78, 0xAD, 0x37,
// S
0x00, 0x71, 0x8D, 0x82, 0x41, 0xEE, 0x45, 0x11, 0xC7, 0x3B, 0xAC, 0x08, 0xB6, 0x83, 0xDC, 0x05,
0xB8, 0xA8, 0x90, 0x1F, 0xA8, 0x2A, 0x0E, 0x4E, 0x76, 0xEF, 0x44, 0x72, 0x99, 0xF8,
}};

const std::map<std::pair<IOSC::ObjectType, IOSC::ObjectSubType>, size_t> s_type_to_size_map = {{
{{IOSC::TYPE_SECRET_KEY, IOSC::SUBTYPE_AES128}, 16},
{{IOSC::TYPE_SECRET_KEY, IOSC::SUBTYPE_MAC}, 20},
@@ -49,6 +133,7 @@ static size_t GetSizeForType(IOSC::ObjectType type, IOSC::ObjectSubType subtype)
IOSC::IOSC(ConsoleType console_type)
{
LoadDefaultEntries(console_type);
LoadEntries();
}

IOSC::~IOSC() = default;
@@ -133,7 +218,7 @@ ReturnCode IOSC::ImportPublicKey(Handle dest_handle, const u8* public_key,
if (dest_entry->subtype == SUBTYPE_RSA2048 || dest_entry->subtype == SUBTYPE_RSA4096)
{
_assert_(public_key_exponent);
std::copy_n(public_key_exponent, 4, dest_entry->misc_data.begin());
std::memcpy(&dest_entry->misc_data, public_key_exponent, 4);
}
return IPC_SUCCESS;
}
@@ -232,7 +317,7 @@ ReturnCode IOSC::VerifyPublicKeySign(const std::array<u8, 20>& sha1, Handle sign
Common::ScopeGuard context_guard{[&rsa] { mbedtls_rsa_free(&rsa); }};

mbedtls_mpi_read_binary(&rsa.N, entry->data.data(), entry->data.size());
mbedtls_mpi_read_binary(&rsa.E, entry->misc_data.data(), entry->misc_data.size());
mbedtls_mpi_read_binary(&rsa.E, reinterpret_cast<const u8*>(&entry->misc_data), 4);
rsa.len = entry->data.size();

const int ret = mbedtls_rsa_pkcs1_verify(&rsa, nullptr, nullptr, MBEDTLS_RSA_PUBLIC,
@@ -358,6 +443,68 @@ ReturnCode IOSC::SetOwnership(Handle handle, u32 new_owner, u32 pid)
return IPC_SUCCESS;
}

bool IOSC::IsUsingDefaultId() const
{
return GetDeviceId() == DEFAULT_DEVICE_ID;
}

u32 IOSC::GetDeviceId() const
{
return m_key_entries[HANDLE_CONSOLE_ID].misc_data;
}

// 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
static Certificate MakeBlankSigECCert(const char* signer, const char* name, const u8* private_key,
u32 key_id)
{
Certificate cert_out{};
const u32 type = Common::swap32(static_cast<u32>(SignatureType::ECC));
std::memcpy(cert_out.data(), &type, sizeof(type));
std::strncpy(reinterpret_cast<char*>(cert_out.data()) + 0x80, signer, 0x40);
const u32 two = Common::swap32(2);
std::memcpy(cert_out.data() + 0xc0, &two, sizeof(two));
std::strncpy(reinterpret_cast<char*>(cert_out.data()) + 0xc4, name, 0x40);
const u32 swapped_key_id = Common::swap32(key_id);
std::memcpy(cert_out.data() + 0x104, &swapped_key_id, sizeof(swapped_key_id));
ec_priv_to_pub(private_key, cert_out.data() + 0x108);
return cert_out;
}

Certificate IOSC::GetDeviceCertificate() const
{
const std::string name = StringFromFormat("NG%08x", GetDeviceId());
auto cert = MakeBlankSigECCert("Root-CA00000001-MS00000002", name.c_str(),
m_key_entries[HANDLE_CONSOLE_KEY].data.data(), m_console_key_id);
std::copy(m_console_signature.begin(), m_console_signature.end(), cert.begin() + 4);
return cert;
}

void IOSC::Sign(u8* sig_out, u8* ap_cert_out, u64 title_id, const u8* data, u32 data_size) const
{
std::array<u8, 20> hash{};
std::array<u8, 30> ap_priv{};

ap_priv[0x1d] = 1;
// setup random ap_priv here if desired
// get_rand_bytes(ap_priv, 0x1e);
// ap_priv[0] &= 1;

const std::string signer = StringFromFormat("Root-CA00000001-MS00000002-NG%08x", GetDeviceId());
const std::string name = StringFromFormat("AP%016" PRIx64, title_id);
const auto cert = MakeBlankSigECCert(signer.c_str(), name.c_str(), ap_priv.data(), 0);
std::copy(cert.begin(), cert.end(), ap_cert_out);

mbedtls_sha1(ap_cert_out + 0x80, 0x100, hash.data());
generate_ecdsa(ap_cert_out + 4, ap_cert_out + 34, m_key_entries[HANDLE_CONSOLE_KEY].data.data(),
hash.data());

mbedtls_sha1(data, data_size, hash.data());
generate_ecdsa(sig_out, sig_out + 30, ap_priv.data(), hash.data());
}

constexpr std::array<u8, 512> ROOT_PUBLIC_KEY = {
{0xF8, 0x24, 0x6C, 0x58, 0xBA, 0xE7, 0x50, 0x03, 0x01, 0xFB, 0xB7, 0xC2, 0xEB, 0xE0, 0x01,
0x05, 0x71, 0xDA, 0x92, 0x23, 0x78, 0xF0, 0x51, 0x4E, 0xC0, 0x03, 0x1D, 0xD0, 0xD2, 0x1E,
@@ -397,15 +544,11 @@ constexpr std::array<u8, 512> ROOT_PUBLIC_KEY = {

void IOSC::LoadDefaultEntries(ConsoleType console_type)
{
// TODO: add support for loading and writing to a BootMii / SEEPROM and OTP dump.

const EcWii& ec = EcWii::GetInstance();

m_key_entries[HANDLE_CONSOLE_KEY] = {TYPE_SECRET_KEY, SUBTYPE_ECC233,
std::vector<u8>(ec.GetNGPriv(), ec.GetNGPriv() + 30), 3};

// Unimplemented.
m_key_entries[HANDLE_CONSOLE_ID] = {TYPE_DATA, SUBTYPE_DATA, std::vector<u8>(4), 0xFFFFFFF};
m_key_entries[HANDLE_CONSOLE_KEY] = {
TYPE_SECRET_KEY, SUBTYPE_ECC233, {DEFAULT_PRIVATE_KEY.begin(), DEFAULT_PRIVATE_KEY.end()}, 3};
m_console_signature = DEFAULT_SIGNATURE;
m_console_key_id = DEFAULT_KEY_ID;
m_key_entries[HANDLE_CONSOLE_ID] = {TYPE_DATA, SUBTYPE_DATA, {}, DEFAULT_DEVICE_ID, 0xFFFFFFF};
m_key_entries[HANDLE_FS_KEY] = {TYPE_SECRET_KEY, SUBTYPE_AES128, std::vector<u8>(16), 5};
m_key_entries[HANDLE_FS_MAC] = {TYPE_SECRET_KEY, SUBTYPE_MAC, std::vector<u8>(20), 5};

@@ -430,40 +573,63 @@ void IOSC::LoadDefaultEntries(ConsoleType console_type)
break;
}

m_key_entries[HANDLE_PRNG_KEY] = {
TYPE_SECRET_KEY, SUBTYPE_AES128,
std::vector<u8>(ec.GetBackupKey(), ec.GetBackupKey() + AES128_KEY_SIZE), 3};
m_key_entries[HANDLE_PRNG_KEY] = {TYPE_SECRET_KEY, SUBTYPE_AES128,
std::vector<u8>(AES128_KEY_SIZE), 3};

m_key_entries[HANDLE_SD_KEY] = {TYPE_SECRET_KEY,
SUBTYPE_AES128,
{{0xab, 0x01, 0xb9, 0xd8, 0xe1, 0x62, 0x2b, 0x08, 0xaf, 0xba,
0xd8, 0x4d, 0xbf, 0xc2, 0xa5, 0x5d}},
3};

// Unimplemented.
m_key_entries[HANDLE_BOOT2_VERSION] = {TYPE_DATA, SUBTYPE_VERSION, std::vector<u8>(4), 3};
m_key_entries[HANDLE_UNKNOWN_8] = {TYPE_DATA, SUBTYPE_VERSION, std::vector<u8>(4), 3};
m_key_entries[HANDLE_UNKNOWN_9] = {TYPE_DATA, SUBTYPE_VERSION, std::vector<u8>(4), 3};
m_key_entries[HANDLE_FS_VERSION] = {TYPE_DATA, SUBTYPE_VERSION, std::vector<u8>(4), 3};
m_key_entries[HANDLE_BOOT2_VERSION] = {TYPE_DATA, SUBTYPE_VERSION, {}, 3};
m_key_entries[HANDLE_UNKNOWN_8] = {TYPE_DATA, SUBTYPE_VERSION, {}, 3};
m_key_entries[HANDLE_UNKNOWN_9] = {TYPE_DATA, SUBTYPE_VERSION, {}, 3};
m_key_entries[HANDLE_FS_VERSION] = {TYPE_DATA, SUBTYPE_VERSION, {}, 3};

m_key_entries[HANDLE_NEW_COMMON_KEY] = {TYPE_SECRET_KEY,
SUBTYPE_AES128,
{{0x63, 0xb8, 0x2b, 0xb4, 0xf4, 0x61, 0x4e, 0x2e, 0x13,
0xf2, 0xfe, 0xfb, 0xba, 0x4c, 0x9b, 0x7e}},
3};

std::array<u8, 4> root_exponent = {{0x0, 0x1, 0x0, 0x1}};
m_root_key_entry = {TYPE_PUBLIC_KEY, SUBTYPE_RSA4096,
std::vector<u8>(ROOT_PUBLIC_KEY.begin(), ROOT_PUBLIC_KEY.end()),
std::move(root_exponent), 0};
Common::swap32(0x00010001), 0};
}

void IOSC::LoadEntries()
{
File::IOFile file{File::GetUserPath(D_WIIROOT_IDX) + "/keys.bin", "rb"};
if (!file)
{
WARN_LOG(IOS, "keys.bin could not be found. Default values will be used.");
return;
}

BootMiiKeyDump dump;
if (!file.ReadBytes(&dump, sizeof(dump)))
{
ERROR_LOG(IOS, "Failed to read from keys.bin.");
return;
}

m_key_entries[HANDLE_CONSOLE_KEY].data = {dump.ng_priv.begin(), dump.ng_priv.end()};
m_console_signature = dump.ng_sig;
m_console_key_id = Common::swap32(dump.ng_key_id);
m_key_entries[HANDLE_CONSOLE_ID].misc_data = Common::swap32(dump.ng_id);
m_key_entries[HANDLE_FS_KEY].data = {dump.nand_key.begin(), dump.nand_key.end()};
m_key_entries[HANDLE_FS_MAC].data = {dump.nand_hmac.begin(), dump.nand_hmac.end()};
m_key_entries[HANDLE_PRNG_KEY].data = {dump.backup_key.begin(), dump.backup_key.end()};
m_key_entries[HANDLE_BOOT2_VERSION].misc_data = dump.counters[0].boot2version;
}

IOSC::KeyEntry::KeyEntry() = default;

IOSC::KeyEntry::KeyEntry(ObjectType type_, ObjectSubType subtype_, std::vector<u8>&& data_,
std::array<u8, 4>&& misc_data_, u32 owner_mask_)
: in_use(true), type(type_), subtype(subtype_), data(std::move(data_)),
misc_data(std::move(misc_data_)), owner_mask(owner_mask_)
u32 misc_data_, u32 owner_mask_)
: in_use(true), type(type_), subtype(subtype_), data(std::move(data_)), misc_data(misc_data_),
owner_mask(owner_mask_)
{
}

20 Source/Core/Core/IOS/IOSC.h
View file
@@ -8,6 +8,7 @@

#include <array>
#include <cstddef>
#include <utility>
#include <vector>

#include "Common/CommonTypes.h"
@@ -21,7 +22,7 @@ enum class SignatureType : u32
{
RSA4096 = 0x00010000,
RSA2048 = 0x00010001,
// XXX: Add support for ECC (0x00010002).
ECC = 0x00010002,
};

enum class PublicKeyType : u32
@@ -96,6 +97,9 @@ union Cert
};
#pragma pack(pop)

using ECCSignature = std::array<u8, 60>;
using Certificate = std::array<u8, 0x180>;

namespace HLE
{
enum ReturnCode : s32;
@@ -196,22 +200,27 @@ class IOSC final
ReturnCode GetOwnership(Handle handle, u32* owner) const;
ReturnCode SetOwnership(Handle handle, u32 owner, u32 pid);

bool IsUsingDefaultId() const;
u32 GetDeviceId() const;
Certificate GetDeviceCertificate() const;
void Sign(u8* sig_out, u8* ap_cert_out, u64 title_id, const u8* data, u32 data_size) const;

void DoState(PointerWrap& p);

private:
struct KeyEntry
{
KeyEntry();
KeyEntry(ObjectType type_, ObjectSubType subtype_, std::vector<u8>&& data_, u32 owner_mask_);
KeyEntry(ObjectType type_, ObjectSubType subtype_, std::vector<u8>&& data_,
std::array<u8, 4>&& misc_data_, u32 owner_mask_);
KeyEntry(ObjectType type_, ObjectSubType subtype_, std::vector<u8>&& data_, u32 misc_data_,
u32 owner_mask_);
void DoState(PointerWrap& p);

bool in_use = false;
ObjectType type;
ObjectSubType subtype;
std::vector<u8> data;
std::array<u8, 4> misc_data{};
u32 misc_data = 0;
u32 owner_mask = 0;
};
// The Wii's IOSC is limited to 32 entries, including 12 built-in entries.
@@ -224,6 +233,7 @@ class IOSC final
};

void LoadDefaultEntries(ConsoleType console_type);
void LoadEntries();

KeyEntries::iterator FindFreeEntry();
KeyEntry* FindEntry(Handle handle);
@@ -237,6 +247,8 @@ class IOSC final

KeyEntries m_key_entries;
KeyEntry m_root_key_entry;
ECCSignature m_console_signature{};
u32 m_console_key_id = 0;
};
} // namespace HLE
} // namespace IOS
4 Source/Core/Core/IOS/Network/KD/NetKDRequest.cpp
View file
@@ -17,7 +17,6 @@
#include "Core/CommonTitles.h"
#include "Core/HW/Memmap.h"
#include "Core/IOS/Network/Socket.h"
#include "Core/ec_wii.h"

namespace IOS
{
@@ -101,8 +100,7 @@ IPCCommandResult NetKDRequest::IOCtl(const IOCtlRequest& request)
u8 id_ctr = config.IdGen();
u8 hardware_model = GetHardwareModel(model);

const EcWii& ec = EcWii::GetInstance();
u32 HollywoodID = ec.GetNGID();
u32 HollywoodID = m_ios.GetIOSC().GetDeviceId();
u64 UserID = 0;

s32 ret = NWC24MakeUserID(&UserID, HollywoodID, id_ctr, hardware_model, area_code);
204 Source/Core/Core/ec_wii.cpp
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113 Source/Core/Core/ec_wii.h
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