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Make XCI comply to review and style guidelines

master
Zach Hilman 2018-07-28 21:39:42 +07:00
parent 22342487e8
commit 239a3113e4
16 changed files with 223 additions and 482 deletions
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66
src/core/crypto/aes_util.cpp
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@ -2,44 +2,56 @@
// Licensed under GPLv2 or any later version // Licensed under GPLv2 or any later version
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <mbedtls/cipher.h>
#include "core/crypto/aes_util.h" #include "core/crypto/aes_util.h"
#include "mbedtls/cipher.h" #include "core/crypto/key_manager.h"
namespace Core::Crypto { namespace Core::Crypto {
static_assert(static_cast<size_t>(Mode::CTR) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_CTR), "CTR mode is incorrect.");
static_assert(static_cast<size_t>(Mode::ECB) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_ECB), "ECB mode is incorrect."); static_assert(static_cast<size_t>(Mode::CTR) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_CTR),
static_assert(static_cast<size_t>(Mode::XTS) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_XTS), "XTS mode is incorrect."); "CTR has incorrect value.");
static_assert(static_cast<size_t>(Mode::ECB) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_ECB),
"ECB has incorrect value.");
static_assert(static_cast<size_t>(Mode::XTS) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_XTS),
"XTS has incorrect value.");
// Structure to hide mbedtls types from header file
struct CipherContext {
mbedtls_cipher_context_t encryption_context;
mbedtls_cipher_context_t decryption_context;
};
template <typename Key, size_t KeySize> template <typename Key, size_t KeySize>
Crypto::AESCipher<Key, KeySize>::AESCipher(Key key, Mode mode) { Crypto::AESCipher<Key, KeySize>::AESCipher(Key key, Mode mode)
mbedtls_cipher_init(encryption_context.get()); : ctx(std::make_unique<CipherContext>()) {
mbedtls_cipher_init(decryption_context.get()); mbedtls_cipher_init(&ctx->encryption_context);
mbedtls_cipher_init(&ctx->decryption_context);
ASSERT_MSG((mbedtls_cipher_setup( ASSERT_MSG((mbedtls_cipher_setup(
encryption_context.get(), &ctx->encryption_context,
mbedtls_cipher_info_from_type(static_cast<mbedtls_cipher_type_t>(mode))) || mbedtls_cipher_info_from_type(static_cast<mbedtls_cipher_type_t>(mode))) ||
mbedtls_cipher_setup(decryption_context.get(), mbedtls_cipher_setup(
mbedtls_cipher_info_from_type( &ctx->decryption_context,
static_cast<mbedtls_cipher_type_t>(mode)))) == 0, mbedtls_cipher_info_from_type(static_cast<mbedtls_cipher_type_t>(mode)))) == 0,
"Failed to initialize mbedtls ciphers."); "Failed to initialize mbedtls ciphers.");
ASSERT( ASSERT(
!mbedtls_cipher_setkey(encryption_context.get(), key.data(), KeySize * 8, MBEDTLS_ENCRYPT)); !mbedtls_cipher_setkey(&ctx->encryption_context, key.data(), KeySize * 8, MBEDTLS_ENCRYPT));
ASSERT( ASSERT(
!mbedtls_cipher_setkey(decryption_context.get(), key.data(), KeySize * 8, MBEDTLS_DECRYPT)); !mbedtls_cipher_setkey(&ctx->decryption_context, key.data(), KeySize * 8, MBEDTLS_DECRYPT));
//"Failed to set key on mbedtls ciphers."); //"Failed to set key on mbedtls ciphers.");
} }
template <typename Key, size_t KeySize> template <typename Key, size_t KeySize>
AESCipher<Key, KeySize>::~AESCipher() { AESCipher<Key, KeySize>::~AESCipher() {
mbedtls_cipher_free(encryption_context.get()); mbedtls_cipher_free(&ctx->encryption_context);
mbedtls_cipher_free(decryption_context.get()); mbedtls_cipher_free(&ctx->decryption_context);
} }
template <typename Key, size_t KeySize> template <typename Key, size_t KeySize>
void AESCipher<Key, KeySize>::SetIV(std::vector<u8> iv) { void AESCipher<Key, KeySize>::SetIV(std::vector<u8> iv) {
ASSERT_MSG((mbedtls_cipher_set_iv(encryption_context.get(), iv.data(), iv.size()) || ASSERT_MSG((mbedtls_cipher_set_iv(&ctx->encryption_context, iv.data(), iv.size()) ||
mbedtls_cipher_set_iv(decryption_context.get(), iv.data(), iv.size())) == 0, mbedtls_cipher_set_iv(&ctx->decryption_context, iv.data(), iv.size())) == 0,
"Failed to set IV on mbedtls ciphers."); "Failed to set IV on mbedtls ciphers.");
} }
@ -47,13 +59,12 @@ template<typename Key, size_t KeySize>
void AESCipher<Key, KeySize>::Transcode(const u8* src, size_t size, u8* dest, Op op) { void AESCipher<Key, KeySize>::Transcode(const u8* src, size_t size, u8* dest, Op op) {
size_t written = 0; size_t written = 0;
const auto context = op == Op::Encrypt ? encryption_context.get() : decryption_context.get(); const auto context = op == Op::Encrypt ? &ctx->encryption_context : &ctx->decryption_context;
mbedtls_cipher_reset(context); mbedtls_cipher_reset(context);
if (mbedtls_cipher_get_cipher_mode(context) == MBEDTLS_MODE_XTS) { if (mbedtls_cipher_get_cipher_mode(context) == MBEDTLS_MODE_XTS) {
mbedtls_cipher_update(context, src, size, mbedtls_cipher_update(context, src, size, dest, &written);
dest, &written);
if (written != size) if (written != size)
LOG_WARNING(Crypto, "Not all data was decrypted requested={:016X}, actual={:016X}.", LOG_WARNING(Crypto, "Not all data was decrypted requested={:016X}, actual={:016X}.",
size, written); size, written);
@ -62,11 +73,9 @@ void AESCipher<Key, KeySize>::Transcode(const u8* src, size_t size, u8* dest, Op
for (size_t offset = 0; offset < size; offset += block_size) { for (size_t offset = 0; offset < size; offset += block_size) {
auto length = std::min<size_t>(block_size, size - offset); auto length = std::min<size_t>(block_size, size - offset);
mbedtls_cipher_update(context, src + offset, length, mbedtls_cipher_update(context, src + offset, length, dest + offset, &written);
dest + offset, &written);
if (written != length) if (written != length)
LOG_WARNING(Crypto, LOG_WARNING(Crypto, "Not all data was decrypted requested={:016X}, actual={:016X}.",
"Not all data was decrypted requested={:016X}, actual={:016X}.",
length, written); length, written);
} }
} }
@ -75,8 +84,8 @@ void AESCipher<Key, KeySize>::Transcode(const u8* src, size_t size, u8* dest, Op
} }
template <typename Key, size_t KeySize> template <typename Key, size_t KeySize>
void AESCipher<Key, KeySize>::XTSTranscode(const u8* src, size_t size, u8* dest, size_t sector_id, size_t sector_size, void AESCipher<Key, KeySize>::XTSTranscode(const u8* src, size_t size, u8* dest, size_t sector_id,
Op op) { size_t sector_size, Op op) {
if (size % sector_size > 0) { if (size % sector_size > 0) {
LOG_CRITICAL(Crypto, "Data size must be a multiple of sector size."); LOG_CRITICAL(Crypto, "Data size must be a multiple of sector size.");
return; return;
@ -84,8 +93,7 @@ void AESCipher<Key, KeySize>::XTSTranscode(const u8* src, size_t size, u8* dest,
for (size_t i = 0; i < size; i += sector_size) { for (size_t i = 0; i < size; i += sector_size) {
SetIV(CalculateNintendoTweak(sector_id++)); SetIV(CalculateNintendoTweak(sector_id++));
Transcode<u8, u8>(src + i, sector_size, Transcode<u8, u8>(src + i, sector_size, dest + i, op);
dest + i, op);
} }
} }
@ -101,4 +109,4 @@ std::vector<u8> AESCipher<Key, KeySize>::CalculateNintendoTweak(size_t sector_id
template class AESCipher<Key128>; template class AESCipher<Key128>;
template class AESCipher<Key256>; template class AESCipher<Key256>;
} } // namespace Core::Crypto

13
src/core/crypto/aes_util.h
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@ -20,7 +20,7 @@ enum class Op {
Decrypt, Decrypt,
}; };
struct mbedtls_cipher_context_t; struct CipherContext;
template <typename Key, size_t KeySize = sizeof(Key)> template <typename Key, size_t KeySize = sizeof(Key)>
class AESCipher { class AESCipher {
@ -44,15 +44,16 @@ public:
template <typename Source, typename Dest> template <typename Source, typename Dest>
void XTSTranscode(const Source* src, size_t size, Dest* dest, size_t sector_id, void XTSTranscode(const Source* src, size_t size, Dest* dest, size_t sector_id,
size_t sector_size, Op op) { size_t sector_size, Op op) {
XTSTranscode(reinterpret_cast<const u8*>(src), size, reinterpret_cast<u8*>(dest), sector_id, sector_size, op); XTSTranscode(reinterpret_cast<const u8*>(src), size, reinterpret_cast<u8*>(dest), sector_id,
sector_size, op);
} }
void XTSTranscode(const u8* src, size_t size, u8* dest, size_t sector_id, size_t sector_size, Op op); void XTSTranscode(const u8* src, size_t size, u8* dest, size_t sector_id, size_t sector_size,
Op op);
private: private:
std::unique_ptr<mbedtls_cipher_context_t> encryption_context; std::unique_ptr<CipherContext> ctx;
std::unique_ptr<mbedtls_cipher_context_t> decryption_context;
static std::vector<u8> CalculateNintendoTweak(size_t sector_id); static std::vector<u8> CalculateNintendoTweak(size_t sector_id);
}; };
} // namespace Crypto } // namespace Core::Crypto

20
src/core/crypto/ctr_encryption_layer.cpp
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@ -6,7 +6,8 @@
#include "common/assert.h" #include "common/assert.h"
#include "core/crypto/ctr_encryption_layer.h" #include "core/crypto/ctr_encryption_layer.h"
namespace Crypto { namespace Core::Crypto {
CTREncryptionLayer::CTREncryptionLayer(FileSys::VirtualFile base_, Key128 key_, size_t base_offset) CTREncryptionLayer::CTREncryptionLayer(FileSys::VirtualFile base_, Key128 key_, size_t base_offset)
: EncryptionLayer(std::move(base_)), base_offset(base_offset), cipher(key_, Mode::CTR), : EncryptionLayer(std::move(base_)), base_offset(base_offset), cipher(key_, Mode::CTR),
iv(16, 0) {} iv(16, 0) {}
@ -21,29 +22,28 @@ size_t CTREncryptionLayer::Read(u8* data, size_t length, size_t offset) const {
std::vector<u8> raw = base->ReadBytes(length, offset); std::vector<u8> raw = base->ReadBytes(length, offset);
if (raw.size() != length) if (raw.size() != length)
return Read(data, raw.size(), offset); return Read(data, raw.size(), offset);
cipher.Transcode(raw.data(), length, data, Op::DECRYPT); cipher.Transcode(raw.data(), length, data, Op::Decrypt);
return length; return length;
} }
// offset does not fall on block boundary (0x10) // offset does not fall on block boundary (0x10)
std::vector<u8> block = base->ReadBytes(0x10, offset - sector_offset); std::vector<u8> block = base->ReadBytes(0x10, offset - sector_offset);
UpdateIV(base_offset + offset - sector_offset); UpdateIV(base_offset + offset - sector_offset);
cipher.Transcode(block.data(), block.size(), block.data(), Op::DECRYPT); cipher.Transcode(block.data(), block.size(), block.data(), Op::Decrypt);
size_t read = 0x10 - sector_offset; size_t read = 0x10 - sector_offset;
if (length + sector_offset < 0x10) { if (length + sector_offset < 0x10) {
memcpy_s(data, length, block.data() + sector_offset, std::min<u64>(length, read)); memcpy(data, block.data() + sector_offset, std::min<u64>(length, read));
return read; return read;
} }
memcpy_s(data, length, block.data() + sector_offset, read); memcpy(data, block.data() + sector_offset, read);
return read + Read(data + read, length - read, offset + read); return read + Read(data + read, length - read, offset + read);
} }
void CTREncryptionLayer::SetIV(std::vector<u8> iv_) { void CTREncryptionLayer::SetIV(const std::vector<u8>& iv_) {
const auto length = std::min<size_t>(iv_.size(), iv.size()); const auto length = std::min(iv_.size(), iv.size());
for (size_t i = 0; i < length; ++i) iv.assign(iv_.cbegin(), iv_.cbegin() + length);
iv[i] = iv_[i];
} }
void CTREncryptionLayer::UpdateIV(size_t offset) const { void CTREncryptionLayer::UpdateIV(size_t offset) const {
@ -54,4 +54,4 @@ void CTREncryptionLayer::UpdateIV(size_t offset) const {
} }
cipher.SetIV(iv); cipher.SetIV(iv);
} }
} // namespace Crypto } // namespace Core::Crypto

15
src/core/crypto/ctr_encryption_layer.h
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@ -4,19 +4,20 @@
#pragma once #pragma once
#include "aes_util.h" #include "core/crypto/aes_util.h"
#include "encryption_layer.h" #include "core/crypto/encryption_layer.h"
#include "key_manager.h" #include "core/crypto/key_manager.h"
namespace Crypto { namespace Core::Crypto {
// Sits on top of a VirtualFile and provides CTR-mode AES decription. // Sits on top of a VirtualFile and provides CTR-mode AES decription.
struct CTREncryptionLayer : public EncryptionLayer { class CTREncryptionLayer : public EncryptionLayer {
public:
CTREncryptionLayer(FileSys::VirtualFile base, Key128 key, size_t base_offset); CTREncryptionLayer(FileSys::VirtualFile base, Key128 key, size_t base_offset);
size_t Read(u8* data, size_t length, size_t offset) const override; size_t Read(u8* data, size_t length, size_t offset) const override;
void SetIV(std::vector<u8> iv); void SetIV(const std::vector<u8>& iv);
private: private:
size_t base_offset; size_t base_offset;
@ -28,4 +29,4 @@ private:
void UpdateIV(size_t offset) const; void UpdateIV(size_t offset) const;
}; };
} // namespace Crypto } // namespace Core::Crypto

4
src/core/crypto/encryption_layer.cpp
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@ -4,7 +4,7 @@
#include "core/crypto/encryption_layer.h" #include "core/crypto/encryption_layer.h"
namespace Crypto { namespace Core::Crypto {
EncryptionLayer::EncryptionLayer(FileSys::VirtualFile base_) : base(std::move(base_)) {} EncryptionLayer::EncryptionLayer(FileSys::VirtualFile base_) : base(std::move(base_)) {}
@ -39,4 +39,4 @@ size_t EncryptionLayer::Write(const u8* data, size_t length, size_t offset) {
bool EncryptionLayer::Rename(std::string_view name) { bool EncryptionLayer::Rename(std::string_view name) {
return base->Rename(name); return base->Rename(name);
} }
} // namespace Crypto } // namespace Core::Crypto

5
src/core/crypto/encryption_layer.h
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@ -3,9 +3,10 @@
// Refer to the license.txt file included. // Refer to the license.txt file included.
#pragma once #pragma once
#include "core/file_sys/vfs.h" #include "core/file_sys/vfs.h"
namespace Crypto { namespace Core::Crypto {
// Basically non-functional class that implements all of the methods that are irrelevant to an // Basically non-functional class that implements all of the methods that are irrelevant to an
// EncryptionLayer. Reduces duplicate code. // EncryptionLayer. Reduces duplicate code.
@ -27,4 +28,4 @@ protected:
FileSys::VirtualFile base; FileSys::VirtualFile base;
}; };
} // namespace Crypto } // namespace Core::Crypto

376
src/core/crypto/key_manager.cpp
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@ -5,238 +5,15 @@
#include <fstream> #include <fstream>
#include <locale> #include <locale>
#include <sstream> #include <sstream>
#include <mbedtls/sha256.h>
#include "common/assert.h" #include "common/assert.h"
#include "common/common_paths.h"
#include "common/file_util.h"
#include "common/logging/log.h" #include "common/logging/log.h"
#include "core/crypto/key_manager.h" #include "core/crypto/key_manager.h"
#include "mbedtls/sha256.h" #include "core/settings.h"
namespace Crypto { namespace Core::Crypto {
KeyManager keys = {};
std::unordered_map<KeyIndex<S128KeyType>, SHA256Hash> KeyManager::s128_hash_prod = {
{{S128KeyType::MASTER, 0, 0},
"0EE359BE3C864BB0782E1D70A718A0342C551EED28C369754F9C4F691BECF7CA"_array32},
{{S128KeyType::MASTER, 1, 0},
"4FE707B7E4ABDAF727C894AAF13B1351BFE2AC90D875F73B2E20FA94B9CC661E"_array32},
{{S128KeyType::MASTER, 2, 0},
"79277C0237A2252EC3DFAC1F7C359C2B3D121E9DB15BB9AB4C2B4408D2F3AE09"_array32},
{{S128KeyType::MASTER, 3, 0},
"4F36C565D13325F65EE134073C6A578FFCB0008E02D69400836844EAB7432754"_array32},
{{S128KeyType::MASTER, 4, 0},
"75ff1d95d26113550ee6fcc20acb58e97edeb3a2ff52543ed5aec63bdcc3da50"_array32},
{{S128KeyType::PACKAGE1, 0, 0},
"4543CD1B7CAD7EE0466A3DE2086A0EF923805DCEA6C741541CDDB14F54F97B40"_array32},
{{S128KeyType::PACKAGE1, 1, 0},
"4A11DA019D26470C9B805F1721364830DC0096DD66EAC453B0D14455E5AF5CF8"_array32},
{{S128KeyType::PACKAGE1, 2, 0},
"CCA867360B3318246FBF0B8A86473176ED486DFE229772B941A02E84D50A3155"_array32},
{{S128KeyType::PACKAGE1, 3, 0},
"E65C383CDF526DFFAA77682868EBFA9535EE60D8075C961BBC1EDE5FBF7E3C5F"_array32},
{{S128KeyType::PACKAGE1, 4, 0},
"28ae73d6ae8f7206fca549e27097714e599df1208e57099416ff429b71370162"_array32},
{{S128KeyType::PACKAGE2, 0, 0},
"94D6F38B9D0456644E21DFF4707D092B70179B82D1AA2F5B6A76B8F9ED948264"_array32},
{{S128KeyType::PACKAGE2, 1, 0},
"7794F24FA879D378FEFDC8776B949B88AD89386410BE9025D463C619F1530509"_array32},
{{S128KeyType::PACKAGE2, 2, 0},
"5304BDDE6AC8E462961B5DB6E328B1816D245D36D6574BB78938B74D4418AF35"_array32},
{{S128KeyType::PACKAGE2, 3, 0},
"BE1E52C4345A979DDD4924375B91C902052C2E1CF8FBF2FAA42E8F26D5125B60"_array32},
{{S128KeyType::PACKAGE2, 4, 0},
"631b45d349ab8f76a050fe59512966fb8dbaf0755ef5b6903048bf036cfa611e"_array32},
{{S128KeyType::TITLEKEK, 0, 0},
"C2FA30CAC6AE1680466CB54750C24550E8652B3B6F38C30B49DADF067B5935E9"_array32},
{{S128KeyType::TITLEKEK, 1, 0},
"0D6B8F3746AD910D36438A859C11E8BE4310112425D63751D09B5043B87DE598"_array32},
{{S128KeyType::TITLEKEK, 2, 0},
"D09E18D3DB6BC7393536896F728528736FBEFCDD15C09D9D612FDE5C7BDCD821"_array32},
{{S128KeyType::TITLEKEK, 3, 0},
"47C6F9F7E99BB1F56DCDC93CDBD340EA82DCCD74DD8F3535ADA20ECF79D438ED"_array32},
{{S128KeyType::TITLEKEK, 4, 0},
"128610de8424cb29e08f9ee9a81c9e6ffd3c6662854aad0c8f937e0bcedc4d88"_array32},
{{S128KeyType::ETICKET_RSA_KEK, 0, 0},
"46cccf288286e31c931379de9efa288c95c9a15e40b00a4c563a8be244ece515"_array32},
{{S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::Application)},
"592957F44FE5DB5EC6B095F568910E31A226D3B7FE42D64CFB9CE4051E90AEB6"_array32},
{{S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::Application)},
"C2252A0FBF9D339ABC3D681351D00452F926E7CA0C6CA85F659078DE3FA647F3"_array32},
{{S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::Application)},
"7C7722824B2F7C4938C40F3EA93E16CB69D3285EB133490EF8ECCD2C4B52DF41"_array32},
{{S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::Application)},
"AFBB8EBFB2094F1CF71E330826AE06D64414FCA128C464618DF30EED92E62BE6"_array32},
{{S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::Application)},
"5dc10eb81918da3f2fa90f69c8542511963656cfb31fb7c779581df8faf1f2f5"_array32},
{{S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::Ocean)},
"AA2C65F0E27F730807A13F2ED5B99BE5183165B87C50B6ED48F5CAC2840687EB"_array32},
{{S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::Ocean)},
"860185F2313A14F7006A029CB21A52750E7718C1E94FFB98C0AE2207D1A60165"_array32},
{{S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::Ocean)},
"7283FB1EFBD42438DADF363FDB776ED355C98737A2AAE75D0E9283CE1C12A2E4"_array32},
{{S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::Ocean)},
"9881C2D3AB70B14C8AA12016FC73ADAD93C6AD9FB59A9ECAD312B6F89E2413EC"_array32},
{{S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::Ocean)},
"eaa6a8d242b89e174928fa9549a0f66ec1562e2576fac896f438a2b3c1fb6005"_array32},
{{S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::System)},
"194CF6BD14554DA8D457E14CBFE04E55C8FB8CA52E0AFB3D7CB7084AE435B801"_array32},
{{S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::System)},
"CE1DB7BB6E5962384889DB7A396AFD614F82F69DC38A33D2DEAF47F3E4B964B7"_array32},
{{S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::System)},
"42238DE5685DEF4FDE7BE42C0097CEB92447006386D6B5D5AAA2C9AFD2E28422"_array32},
{{S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::System)},
"1F6847F268E9D9C5D1AD4D7E226A63B833BF02071446957A962EF065521879C1"_array32},
{{S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::System)},
"644007f9913c3602399d4d75cc34faeb7f1faad18b23e34187b16fdc45f4980f"_array32},
};
std::unordered_map<KeyIndex<S256KeyType>, SHA256Hash> KeyManager::s256_hash_prod = {
{{S256KeyType::HEADER, 0, 0},
"8E03DE24818D96CE4F2A09B43AF979E679974F7570713A61EED8B314864A11D5"_array32},
{{S256KeyType::SD_SAVE, 0, 0},
"13020ee72d0f8b8f9112dc738b829fdb017102499a7c2259b52aeefc0a273f5c"_array32},
{{S256KeyType::SD_NCA, 0, 0},
"8a1c05b4f88bae5b04d77f632e6acfc8893c4a05fd701f53585daafc996b532a"_array32},
};
// TODO(DarkLordZach): Find missing hashes for dev keys.
std::unordered_map<KeyIndex<S128KeyType>, SHA256Hash> KeyManager::s128_hash_dev = {
{{S128KeyType::MASTER, 0, 0},
"779dd8b533a2fb670f27b308cb8d0151c4a107568b817429172b7f80aa592c25"_array32},
{{S128KeyType::MASTER, 1, 0},
"0175c8bc49771576f75527be719098db4ebaf77707206749415663aa3a9ea9cc"_array32},
{{S128KeyType::MASTER, 2, 0},
"4f0b4d724e5a8787268157c7ce0767c26d2e2021832aa7020f306d6e260eea42"_array32},
{{S128KeyType::MASTER, 3, 0},
"7b5a29586c1f84f66fbfabb94518fc45408bb8e5445253d063dda7cfef2a818c"_array32},
{{S128KeyType::MASTER, 4, 0},
"87a61dbb05a8755de7fe069562aab38ebfb266c9eb835f09fa62dacc89c98341"_array32},
{{S128KeyType::PACKAGE1, 0, 0},
"166510bc63ae50391ebe4ee4ff90ca31cd0e2dd0ff6be839a2f573ec146cc23a"_array32},
{{S128KeyType::PACKAGE1, 1, 0},
"f74cd01b86743139c920ec54a8116c669eea805a0be1583e13fc5bc8de68645b"_array32},
{{S128KeyType::PACKAGE1, 2, 0},
"d0cdecd513bb6aa3d9dc6244c977dc8a5a7ea157d0a8747d79e7581146e1f768"_array32},
{{S128KeyType::PACKAGE1, 3, 0},
"aa39394d626b3b79f5b7ccc07378b5996b6d09bf0eb6771b0b40c9077fbfde8c"_array32},
{{S128KeyType::PACKAGE1, 4, 0},
"8f4754b8988c0e673fc2bbea0534cdd6075c815c9270754ae980aef3e4f0a508"_array32},
{{S128KeyType::PACKAGE2, 0, 0},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::PACKAGE2, 1, 0},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::PACKAGE2, 2, 0},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::PACKAGE2, 3, 0},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::PACKAGE2, 4, 0},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::TITLEKEK, 0, 0},
"C2FA30CAC6AE1680466CB54750C24550E8652B3B6F38C30B49DADF067B5935E9"_array32},
{{S128KeyType::TITLEKEK, 1, 0},
"0D6B8F3746AD910D36438A859C11E8BE4310112425D63751D09B5043B87DE598"_array32},
{{S128KeyType::TITLEKEK, 2, 0},
"D09E18D3DB6BC7393536896F728528736FBEFCDD15C09D9D612FDE5C7BDCD821"_array32},
{{S128KeyType::TITLEKEK, 3, 0},
"47C6F9F7E99BB1F56DCDC93CDBD340EA82DCCD74DD8F3535ADA20ECF79D438ED"_array32},
{{S128KeyType::TITLEKEK, 4, 0},
"128610de8424cb29e08f9ee9a81c9e6ffd3c6662854aad0c8f937e0bcedc4d88"_array32},
{{S128KeyType::ETICKET_RSA_KEK, 0, 0},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::Application)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::Application)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::Application)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::Application)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::Application)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::Ocean)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::Ocean)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::Ocean)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::Ocean)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::Ocean)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::System)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::System)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::System)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::System)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::System)},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
};
std::unordered_map<KeyIndex<S256KeyType>, SHA256Hash> KeyManager::s256_hash_dev = {
{{S256KeyType::HEADER, 0, 0},
"ecde86a76e37ac4fd7591d3aa55c00cc77d8595fc27968052ec18a177d939060"_array32},
{{S256KeyType::SD_SAVE, 0, 0},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
{{S256KeyType::SD_NCA, 0, 0},
"0000000000000000000000000000000000000000000000000000000000000000"_array32},
};
std::unordered_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = {
{"master_key_00", {S128KeyType::MASTER, 0, 0}},
{"master_key_01", {S128KeyType::MASTER, 1, 0}},
{"master_key_02", {S128KeyType::MASTER, 2, 0}},
{"master_key_03", {S128KeyType::MASTER, 3, 0}},
{"master_key_04", {S128KeyType::MASTER, 4, 0}},
{"package1_key_00", {S128KeyType::PACKAGE1, 0, 0}},
{"package1_key_01", {S128KeyType::PACKAGE1, 1, 0}},
{"package1_key_02", {S128KeyType::PACKAGE1, 2, 0}},
{"package1_key_03", {S128KeyType::PACKAGE1, 3, 0}},
{"package1_key_04", {S128KeyType::PACKAGE1, 4, 0}},
{"package2_key_00", {S128KeyType::PACKAGE2, 0, 0}},
{"package2_key_01", {S128KeyType::PACKAGE2, 1, 0}},
{"package2_key_02", {S128KeyType::PACKAGE2, 2, 0}},
{"package2_key_03", {S128KeyType::PACKAGE2, 3, 0}},
{"package2_key_04", {S128KeyType::PACKAGE2, 4, 0}},
{"titlekek_00", {S128KeyType::TITLEKEK, 0, 0}},
{"titlekek_01", {S128KeyType::TITLEKEK, 1, 0}},
{"titlekek_02", {S128KeyType::TITLEKEK, 2, 0}},
{"titlekek_03", {S128KeyType::TITLEKEK, 3, 0}},
{"titlekek_04", {S128KeyType::TITLEKEK, 4, 0}},
{"eticket_rsa_kek", {S128KeyType::ETICKET_RSA_KEK, 0, 0}},
{"key_area_key_application_00",
{S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_application_01",
{S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_application_02",
{S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_application_03",
{S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_application_04",
{S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_ocean_00", {S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_ocean_01", {S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_ocean_02", {S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_ocean_03", {S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_ocean_04", {S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_system_00",
{S128KeyType::KEY_AREA, 0, static_cast<u64>(KeyAreaKeyType::System)}},
{"key_area_key_system_01",
{S128KeyType::KEY_AREA, 1, static_cast<u64>(KeyAreaKeyType::System)}},
{"key_area_key_system_02",
{S128KeyType::KEY_AREA, 2, static_cast<u64>(KeyAreaKeyType::System)}},
{"key_area_key_system_03",
{S128KeyType::KEY_AREA, 3, static_cast<u64>(KeyAreaKeyType::System)}},
{"key_area_key_system_04",
{S128KeyType::KEY_AREA, 4, static_cast<u64>(KeyAreaKeyType::System)}},
};
std::unordered_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = {
{"header_key", {S256KeyType::HEADER, 0, 0}},
{"sd_card_save_key", {S256KeyType::SD_SAVE, 0, 0}},
{"sd_card_nca_key", {S256KeyType::SD_NCA, 0, 0}},
};
static u8 ToHexNibble(char c1) { static u8 ToHexNibble(char c1) {
if (c1 >= 65 && c1 <= 70) if (c1 >= 65 && c1 <= 70)
@ -271,8 +48,20 @@ std::array<u8, 32> operator""_array32(const char* str, size_t len) {
return HexStringToArray<32>(str); return HexStringToArray<32>(str);
} }
void KeyManager::SetValidationMode(bool dev) { KeyManager::KeyManager() {
dev_mode = dev; // Initialize keys
std::string keys_dir = FileUtil::GetHactoolConfigurationPath();
if (Settings::values.use_dev_keys) {
dev_mode = true;
if (FileUtil::Exists(keys_dir + DIR_SEP + "dev.keys"))
LoadFromFile(keys_dir + DIR_SEP + "dev.keys", false);
} else {
dev_mode = false;
if (FileUtil::Exists(keys_dir + DIR_SEP + "prod.keys"))
LoadFromFile(keys_dir + DIR_SEP + "prod.keys", false);
}
if (FileUtil::Exists(keys_dir + DIR_SEP + "title.keys"))
LoadFromFile(keys_dir + DIR_SEP + "title.keys", true);
} }
void KeyManager::LoadFromFile(std::string_view filename_, bool is_title_keys) { void KeyManager::LoadFromFile(std::string_view filename_, bool is_title_keys) {
@ -299,7 +88,7 @@ void KeyManager::LoadFromFile(std::string_view filename_, bool is_title_keys) {
auto rights_id_raw = HexStringToArray<16>(out[0]); auto rights_id_raw = HexStringToArray<16>(out[0]);
u128 rights_id = *reinterpret_cast<std::array<u64, 2>*>(&rights_id_raw); u128 rights_id = *reinterpret_cast<std::array<u64, 2>*>(&rights_id_raw);
Key128 key = HexStringToArray<16>(out[1]); Key128 key = HexStringToArray<16>(out[1]);
SetKey(S128KeyType::TITLEKEY, key, rights_id[1], rights_id[0]); SetKey(S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
} else { } else {
std::transform(out[0].begin(), out[0].end(), out[0].begin(), ::tolower); std::transform(out[0].begin(), out[0].end(), out[0].begin(), ::tolower);
if (s128_file_id.find(out[0]) != s128_file_id.end()) { if (s128_file_id.find(out[0]) != s128_file_id.end()) {
@ -315,24 +104,24 @@ void KeyManager::LoadFromFile(std::string_view filename_, bool is_title_keys) {
} }
} }
bool KeyManager::HasKey(S128KeyType id, u64 field1, u64 field2) { bool KeyManager::HasKey(S128KeyType id, u64 field1, u64 field2) const {
return s128_keys.find({id, field1, field2}) != s128_keys.end(); return s128_keys.find({id, field1, field2}) != s128_keys.end();
} }
bool KeyManager::HasKey(S256KeyType id, u64 field1, u64 field2) { bool KeyManager::HasKey(S256KeyType id, u64 field1, u64 field2) const {
return s256_keys.find({id, field1, field2}) != s256_keys.end(); return s256_keys.find({id, field1, field2}) != s256_keys.end();
} }
Key128 KeyManager::GetKey(S128KeyType id, u64 field1, u64 field2) { Key128 KeyManager::GetKey(S128KeyType id, u64 field1, u64 field2) const {
if (!HasKey(id, field1, field2)) if (!HasKey(id, field1, field2))
return {}; return {};
return s128_keys[{id, field1, field2}]; return s128_keys.at({id, field1, field2});
} }
Key256 KeyManager::GetKey(S256KeyType id, u64 field1, u64 field2) { Key256 KeyManager::GetKey(S256KeyType id, u64 field1, u64 field2) const {
if (!HasKey(id, field1, field2)) if (!HasKey(id, field1, field2))
return {}; return {};
return s256_keys[{id, field1, field2}]; return s256_keys.at({id, field1, field2});
} }
void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) { void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
@ -343,68 +132,53 @@ void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
s256_keys[{id, field1, field2}] = key; s256_keys[{id, field1, field2}] = key;
} }
bool KeyManager::ValidateKey(S128KeyType key, u64 field1, u64 field2) { std::unordered_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = {
auto& hash = dev_mode ? s128_hash_dev : s128_hash_prod; {"master_key_00", {S128KeyType::Master, 0, 0}},
{"master_key_01", {S128KeyType::Master, 1, 0}},
{"master_key_02", {S128KeyType::Master, 2, 0}},
{"master_key_03", {S128KeyType::Master, 3, 0}},
{"master_key_04", {S128KeyType::Master, 4, 0}},
{"package1_key_00", {S128KeyType::Package1, 0, 0}},
{"package1_key_01", {S128KeyType::Package1, 1, 0}},
{"package1_key_02", {S128KeyType::Package1, 2, 0}},
{"package1_key_03", {S128KeyType::Package1, 3, 0}},
{"package1_key_04", {S128KeyType::Package1, 4, 0}},
{"package2_key_00", {S128KeyType::Package2, 0, 0}},
{"package2_key_01", {S128KeyType::Package2, 1, 0}},
{"package2_key_02", {S128KeyType::Package2, 2, 0}},
{"package2_key_03", {S128KeyType::Package2, 3, 0}},
{"package2_key_04", {S128KeyType::Package2, 4, 0}},
{"titlekek_00", {S128KeyType::Titlekek, 0, 0}},
{"titlekek_01", {S128KeyType::Titlekek, 1, 0}},
{"titlekek_02", {S128KeyType::Titlekek, 2, 0}},
{"titlekek_03", {S128KeyType::Titlekek, 3, 0}},
{"titlekek_04", {S128KeyType::Titlekek, 4, 0}},
{"eticket_rsa_kek", {S128KeyType::ETicketRSAKek, 0, 0}},
{"key_area_key_application_00",
{S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_application_01",
{S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_application_02",
{S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_application_03",
{S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_application_04",
{S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::Application)}},
{"key_area_key_ocean_00", {S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_ocean_01", {S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_ocean_02", {S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_ocean_03", {S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_ocean_04", {S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::Ocean)}},
{"key_area_key_system_00", {S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::System)}},
{"key_area_key_system_01", {S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::System)}},
{"key_area_key_system_02", {S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::System)}},
{"key_area_key_system_03", {S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::System)}},
{"key_area_key_system_04", {S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::System)}},
};
KeyIndex<S128KeyType> id = {key, field1, field2}; std::unordered_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = {
if (key == S128KeyType::SD_SEED || key == S128KeyType::TITLEKEY || {"header_key", {S256KeyType::Header, 0, 0}},
hash.find(id) == hash.end()) { {"sd_card_save_key", {S256KeyType::SDSave, 0, 0}},
LOG_WARNING(Crypto, "Could not validate [{}]", id.DebugInfo()); {"sd_card_nca_key", {S256KeyType::SDNCA, 0, 0}},
return true; };
} } // namespace Core::Crypto
if (!HasKey(key, field1, field2)) {
LOG_CRITICAL(Crypto,
"System has requested validation of [{}], but user has not added it. Add this "
"key to use functionality.",
id.DebugInfo());
return false;
}
SHA256Hash key_hash{};
const auto a_key = GetKey(key, field1, field2);
mbedtls_sha256(a_key.data(), a_key.size(), key_hash.data(), 0);
if (key_hash != hash[id]) {
LOG_CRITICAL(Crypto,
"The hash of the provided key for [{}] does not match the one on file. This "
"means you probably have an incorrect key. If you believe this to be in "
"error, contact the yuzu devs.",
id.DebugInfo());
return false;
}
return true;
}
bool KeyManager::ValidateKey(S256KeyType key, u64 field1, u64 field2) {
auto& hash = dev_mode ? s256_hash_dev : s256_hash_prod;
KeyIndex<S256KeyType> id = {key, field1, field2};
if (hash.find(id) == hash.end()) {
LOG_ERROR(Crypto, "Could not validate [{}]", id.DebugInfo());
return true;
}
if (!HasKey(key, field1, field2)) {
LOG_ERROR(Crypto,
"System has requested validation of [{}], but user has not added it. Add this "
"key to use functionality.",
id.DebugInfo());
return false;
}
SHA256Hash key_hash{};
const auto a_key = GetKey(key, field1, field2);
mbedtls_sha256(a_key.data(), a_key.size(), key_hash.data(), 0);
if (key_hash != hash[id]) {
LOG_CRITICAL(Crypto,
"The hash of the provided key for [{}] does not match the one on file. This "
"means you probably have an incorrect key. If you believe this to be in "
"error, contact the yuzu devs.",
id.DebugInfo());
return false;
}
return true;
}
} // namespace Crypto

77
src/core/crypto/key_manager.h
Unescape Escape View File

@ -3,36 +3,37 @@
// Refer to the license.txt file included. // Refer to the license.txt file included.
#pragma once #pragma once
#include <array> #include <array>
#include <unordered_map> #include <unordered_map>
#include <vector> #include <vector>
#include <fmt/format.h> #include <fmt/format.h>
#include "common/common_types.h" #include "common/common_types.h"
namespace Crypto { namespace Core::Crypto {
typedef std::array<u8, 0x10> Key128; using Key128 = std::array<u8, 0x10>;
typedef std::array<u8, 0x20> Key256; using Key256 = std::array<u8, 0x20>;
typedef std::array<u8, 0x20> SHA256Hash; using SHA256Hash = std::array<u8, 0x20>;
static_assert(sizeof(Key128) == 16, "Key128 must be 128 bytes big."); static_assert(sizeof(Key128) == 16, "Key128 must be 128 bytes big.");
static_assert(sizeof(Key256) == 32, "Key128 must be 128 bytes big."); static_assert(sizeof(Key256) == 32, "Key128 must be 128 bytes big.");
enum class S256KeyType : u64 { enum class S256KeyType : u64 {
HEADER, // Header, //
SD_SAVE, // SDSave, //
SD_NCA, // SDNCA, //
}; };
enum class S128KeyType : u64 { enum class S128KeyType : u64 {
MASTER, // f1=crypto revision Master, // f1=crypto revision
PACKAGE1, // f1=crypto revision Package1, // f1=crypto revision
PACKAGE2, // f1=crypto revision Package2, // f1=crypto revision
TITLEKEK, // f1=crypto revision Titlekek, // f1=crypto revision
ETICKET_RSA_KEK, // ETicketRSAKek, //
KEY_AREA, // f1=crypto revision f2=type {app, ocean, system} KeyArea, // f1=crypto revision f2=type {app, ocean, system}
SD_SEED, // SDSeed, //
TITLEKEY, // f1=rights id LSB f2=rights id MSB Titlekey, // f1=rights id LSB f2=rights id MSB
}; };
enum class KeyAreaKeyType : u8 { enum class KeyAreaKeyType : u8 {
@ -47,7 +48,7 @@ struct KeyIndex {
u64 field1; u64 field1;
u64 field2; u64 field2;
std::string DebugInfo() { std::string DebugInfo() const {
u8 key_size = 16; u8 key_size = 16;
if (std::is_same_v<KeyType, S256KeyType>) if (std::is_same_v<KeyType, S256KeyType>)
key_size = 32; key_size = 32;
@ -60,15 +61,20 @@ struct KeyIndex {
template <typename KeyType> template <typename KeyType>
bool operator==(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) { bool operator==(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) {
return lhs.type == rhs.type && lhs.field1 == rhs.field1 && lhs.field2 == rhs.field2; return std::tie(lhs.type, lhs.field1, lhs.field2) == std::tie(rhs.type, rhs.field1, rhs.field2);
} }
} // namespace Crypto template <typename KeyType>
bool operator!=(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) {
return !operator==(lhs, rhs);
}
} // namespace Core::Crypto
namespace std { namespace std {
template <typename KeyType> template <typename KeyType>
struct hash<Crypto::KeyIndex<KeyType>> { struct hash<Core::Crypto::KeyIndex<KeyType>> {
size_t operator()(const Crypto::KeyIndex<KeyType>& k) const { size_t operator()(const Core::Crypto::KeyIndex<KeyType>& k) const {
using std::hash; using std::hash;
return ((hash<u64>()(static_cast<u64>(k.type)) ^ (hash<u64>()(k.field1) << 1)) >> 1) ^ return ((hash<u64>()(static_cast<u64>(k.type)) ^ (hash<u64>()(k.field1) << 1)) >> 1) ^
@ -77,41 +83,32 @@ struct hash<Crypto::KeyIndex<KeyType>> {
}; };
} // namespace std } // namespace std
namespace Crypto { namespace Core::Crypto {
std::array<u8, 0x10> operator"" _array16(const char* str, size_t len); std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
std::array<u8, 0x20> operator"" _array32(const char* str, size_t len); std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);
struct KeyManager { class KeyManager {
void SetValidationMode(bool dev); public:
void LoadFromFile(std::string_view filename, bool is_title_keys); KeyManager();
bool HasKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0); bool HasKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0) const;
bool HasKey(S256KeyType id, u64 field1 = 0, u64 field2 = 0); bool HasKey(S256KeyType id, u64 field1 = 0, u64 field2 = 0) const;
Key128 GetKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0); Key128 GetKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0) const;
Key256 GetKey(S256KeyType id, u64 field1 = 0, u64 field2 = 0); Key256 GetKey(S256KeyType id, u64 field1 = 0, u64 field2 = 0) const;
void SetKey(S128KeyType id, Key128 key, u64 field1 = 0, u64 field2 = 0); void SetKey(S128KeyType id, Key128 key, u64 field1 = 0, u64 field2 = 0);
void SetKey(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0); void SetKey(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0);
bool ValidateKey(S128KeyType key, u64 field1 = 0, u64 field2 = 0);
bool ValidateKey(S256KeyType key, u64 field1 = 0, u64 field2 = 0);
private: private:
std::unordered_map<KeyIndex<S128KeyType>, Key128> s128_keys; std::unordered_map<KeyIndex<S128KeyType>, Key128> s128_keys;
std::unordered_map<KeyIndex<S256KeyType>, Key256> s256_keys; std::unordered_map<KeyIndex<S256KeyType>, Key256> s256_keys;
bool dev_mode = false; bool dev_mode;
void LoadFromFile(std::string_view filename, bool is_title_keys);
static std::unordered_map<KeyIndex<S128KeyType>, SHA256Hash> s128_hash_prod;
static std::unordered_map<KeyIndex<S256KeyType>, SHA256Hash> s256_hash_prod;
static std::unordered_map<KeyIndex<S128KeyType>, SHA256Hash> s128_hash_dev;
static std::unordered_map<KeyIndex<S256KeyType>, SHA256Hash> s256_hash_dev;
static std::unordered_map<std::string, KeyIndex<S128KeyType>> s128_file_id; static std::unordered_map<std::string, KeyIndex<S128KeyType>> s128_file_id;
static std::unordered_map<std::string, KeyIndex<S256KeyType>> s256_file_id; static std::unordered_map<std::string, KeyIndex<S256KeyType>> s256_file_id;
}; };
} // namespace Core::Crypto
extern KeyManager keys;
} // namespace Crypto

13
src/core/file_sys/card_image.cpp
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@ -30,7 +30,7 @@ XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
return; return;
} }
const static std::array<std::string, 0x4> partition_names = {"update", "normal", "secure", static constexpr std::array<const char*, 0x4> partition_names = {"update", "normal", "secure",
"logo"}; "logo"};
for (XCIPartition partition : for (XCIPartition partition :
@ -93,12 +93,9 @@ VirtualDir XCI::GetLogoPartition() const {
} }
std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const { std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const {
for (const auto& nca : ncas) { auto iter = std::find_if(ncas.begin(), ncas.end(),
if (nca->GetType() == type) [type](std::shared_ptr<NCA> nca) { return nca->GetType() == type; });
return nca; return iter == ncas.end() ? nullptr : *iter;
}
return nullptr;
} }
VirtualFile XCI::GetNCAFileByType(NCAContentType type) const { VirtualFile XCI::GetNCAFileByType(NCAContentType type) const {
@ -133,7 +130,7 @@ Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
return Loader::ResultStatus::ErrorInvalidFormat; return Loader::ResultStatus::ErrorInvalidFormat;
} }
for (VirtualFile file : partitions[static_cast<size_t>(part)]->GetFiles()) { for (const VirtualFile& file : partitions[static_cast<size_t>(part)]->GetFiles()) {
if (file->GetExtension() != "nca") if (file->GetExtension() != "nca")
continue; continue;
auto nca = std::make_shared<NCA>(file); auto nca = std::make_shared<NCA>(file);

48
src/core/file_sys/content_archive.cpp
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@ -9,10 +9,9 @@
#include "core/crypto/aes_util.h" #include "core/crypto/aes_util.h"
#include "core/crypto/ctr_encryption_layer.h" #include "core/crypto/ctr_encryption_layer.h"
#include "core/file_sys/content_archive.h" #include "core/file_sys/content_archive.h"
#include "core/file_sys/romfs.h"
#include "core/file_sys/vfs_offset.h" #include "core/file_sys/vfs_offset.h"
#include "core/loader/loader.h" #include "core/loader/loader.h"
#include "mbedtls/cipher.h"
#include "romfs.h"
namespace FileSys { namespace FileSys {
@ -77,7 +76,7 @@ bool IsValidNCA(const NCAHeader& header) {
return header.magic == Common::MakeMagic('N', 'C', 'A', '3'); return header.magic == Common::MakeMagic('N', 'C', 'A', '3');
} }
Crypto::Key128 NCA::GetKeyAreaKey(NCASectionCryptoType type) { Core::Crypto::Key128 NCA::GetKeyAreaKey(NCASectionCryptoType type) {
u8 master_key_id = header.crypto_type; u8 master_key_id = header.crypto_type;
if (header.crypto_type_2 > master_key_id) if (header.crypto_type_2 > master_key_id)
master_key_id = header.crypto_type_2; master_key_id = header.crypto_type_2;
@ -85,16 +84,12 @@ Crypto::Key128 NCA::GetKeyAreaKey(NCASectionCryptoType type) {
--master_key_id; --master_key_id;
std::vector<u8> key_area(header.key_area.begin(), header.key_area.end()); std::vector<u8> key_area(header.key_area.begin(), header.key_area.end());
if (!Crypto::keys.ValidateKey(Crypto::S128KeyType::KEY_AREA, master_key_id, header.key_index)) { Core::Crypto::AESCipher<Core::Crypto::Key128> cipher(
status = Loader::ResultStatus::ErrorEncrypted; keys.GetKey(Core::Crypto::S128KeyType::KeyArea, master_key_id, header.key_index),
return {}; Core::Crypto::Mode::ECB);
} cipher.Transcode(key_area.data(), key_area.size(), key_area.data(), Core::Crypto::Op::Decrypt);
Crypto::AESCipher<Crypto::Key128> cipher(
Crypto::keys.GetKey(Crypto::S128KeyType::KEY_AREA, master_key_id, header.key_index),
Crypto::Mode::ECB);
cipher.Transcode(key_area.data(), key_area.size(), key_area.data(), Crypto::Op::DECRYPT);
Crypto::Key128 out; Core::Crypto::Key128 out;
if (type == NCASectionCryptoType::XTS) if (type == NCASectionCryptoType::XTS)
std::copy(key_area.begin(), key_area.begin() + 0x10, out.begin()); std::copy(key_area.begin(), key_area.begin() + 0x10, out.begin());
else if (type == NCASectionCryptoType::CTR) else if (type == NCASectionCryptoType::CTR)
@ -102,8 +97,8 @@ Crypto::Key128 NCA::GetKeyAreaKey(NCASectionCryptoType type) {
else else
LOG_CRITICAL(Crypto, "Called GetKeyAreaKey on invalid NCASectionCryptoType type={:02X}", LOG_CRITICAL(Crypto, "Called GetKeyAreaKey on invalid NCASectionCryptoType type={:02X}",
static_cast<u8>(type)); static_cast<u8>(type));
u128 out_128{};
u128 out_128 = *reinterpret_cast<u128*>(&out); memcpy(out_128.data(), out.data(), 16);
LOG_DEBUG(Crypto, "called with crypto_rev={:02X}, kak_index={:02X}, key={:016X}{:016X}", LOG_DEBUG(Crypto, "called with crypto_rev={:02X}, kak_index={:02X}, key={:016X}{:016X}",
master_key_id, header.key_index, out_128[1], out_128[0]); master_key_id, header.key_index, out_128[1], out_128[0]);
@ -121,9 +116,9 @@ VirtualFile NCA::Decrypt(NCASectionHeader header, VirtualFile in, u64 starting_o
case NCASectionCryptoType::CTR: case NCASectionCryptoType::CTR:
LOG_DEBUG(Crypto, "called with mode=CTR, starting_offset={:016X}", starting_offset); LOG_DEBUG(Crypto, "called with mode=CTR, starting_offset={:016X}", starting_offset);
{ {
auto out = std::make_shared<Crypto::CTREncryptionLayer>( auto out = std::make_shared<Core::Crypto::CTREncryptionLayer>(
std::move(in), GetKeyAreaKey(NCASectionCryptoType::CTR), starting_offset); std::move(in), GetKeyAreaKey(NCASectionCryptoType::CTR), starting_offset);
std::vector<u8> iv(16, 0); std::vector<u8> iv(16);
for (u8 i = 0; i < 8; ++i) for (u8 i = 0; i < 8; ++i)
iv[i] = header.raw.section_ctr[0x8 - i - 1]; iv[i] = header.raw.section_ctr[0x8 - i - 1];
out->SetIV(iv); out->SetIV(iv);
@ -146,13 +141,10 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
if (!IsValidNCA(header)) { if (!IsValidNCA(header)) {
NCAHeader dec_header{}; NCAHeader dec_header{};
if (!Crypto::keys.ValidateKey(Crypto::S256KeyType::HEADER)) { Core::Crypto::AESCipher<Core::Crypto::Key256> cipher(
status = Loader::ResultStatus::ErrorEncrypted; keys.GetKey(Core::Crypto::S256KeyType::Header), Core::Crypto::Mode::XTS);
return; cipher.XTSTranscode(&header, sizeof(NCAHeader), &dec_header, 0, 0x200,
} Core::Crypto::Op::Decrypt);
Crypto::AESCipher<Crypto::Key256> cipher(Crypto::keys.GetKey(Crypto::S256KeyType::HEADER),
Crypto::Mode::XTS);
cipher.XTSTranscode(&header, sizeof(NCAHeader), &dec_header, 0, 0x200, Crypto::Op::DECRYPT);
if (IsValidNCA(dec_header)) { if (IsValidNCA(dec_header)) {
header = dec_header; header = dec_header;
encrypted = true; encrypted = true;
@ -171,14 +163,10 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
if (encrypted) { if (encrypted) {
auto raw = file->ReadBytes(length_sections, SECTION_HEADER_OFFSET); auto raw = file->ReadBytes(length_sections, SECTION_HEADER_OFFSET);
if (!Crypto::keys.ValidateKey(Crypto::S256KeyType::HEADER)) { Core::Crypto::AESCipher<Core::Crypto::Key256> cipher(
status = Loader::ResultStatus::ErrorEncrypted; keys.GetKey(Core::Crypto::S256KeyType::Header), Core::Crypto::Mode::XTS);
return;
}
Crypto::AESCipher<Crypto::Key256> cipher(Crypto::keys.GetKey(Crypto::S256KeyType::HEADER),
Crypto::Mode::XTS);
cipher.XTSTranscode(raw.data(), length_sections, sections.data(), 2, SECTION_HEADER_SIZE, cipher.XTSTranscode(raw.data(), length_sections, sections.data(), 2, SECTION_HEADER_SIZE,
Crypto::Op::DECRYPT); Core::Crypto::Op::Decrypt);
} else { } else {
file->ReadBytes(sections.data(), length_sections, SECTION_HEADER_OFFSET); file->ReadBytes(sections.data(), length_sections, SECTION_HEADER_OFFSET);
} }

5
src/core/file_sys/content_archive.h
Unescape Escape View File

@ -9,12 +9,12 @@
#include <string> #include <string>
#include <vector> #include <vector>
#include "core/loader/loader.h"
#include "common/common_funcs.h" #include "common/common_funcs.h"
#include "common/common_types.h" #include "common/common_types.h"
#include "common/swap.h" #include "common/swap.h"
#include "core/crypto/key_manager.h" #include "core/crypto/key_manager.h"
#include "core/file_sys/partition_filesystem.h" #include "core/file_sys/partition_filesystem.h"
#include "core/loader/loader.h"
namespace FileSys { namespace FileSys {
enum class NCAContentType : u8 { enum class NCAContentType : u8 {
@ -107,7 +107,8 @@ private:
bool encrypted; bool encrypted;
Crypto::Key128 GetKeyAreaKey(NCASectionCryptoType type); Core::Crypto::KeyManager keys;
Core::Crypto::Key128 GetKeyAreaKey(NCASectionCryptoType type);
VirtualFile Decrypt(NCASectionHeader header, VirtualFile in, u64 starting_offset); VirtualFile Decrypt(NCASectionHeader header, VirtualFile in, u64 starting_offset);
}; };

5
src/core/file_sys/vfs.cpp
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@ -297,11 +297,10 @@ bool DeepEquals(const VirtualFile& file1, const VirtualFile& file2, size_t block
if (f1_vs != f2_vs) if (f1_vs != f2_vs)
return false; return false;
for (size_t j = 0; j < f1_vs; ++j) { auto iters = std::mismatch(f1_v.begin(), f1_v.end(), f2_v.begin(), f2_v.end());
if (f1_v[j] != f2_v[j]) if (iters.first != f1_v.end() && iters.second != f2_v.end())
return false; return false;
} }
}
return true; return true;
} }

7
src/core/loader/xci.cpp
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@ -28,14 +28,17 @@ AppLoader_XCI::AppLoader_XCI(FileSys::VirtualFile file)
nca_loader(std::make_unique<AppLoader_NCA>( nca_loader(std::make_unique<AppLoader_NCA>(
xci->GetNCAFileByType(FileSys::NCAContentType::Program))) {} xci->GetNCAFileByType(FileSys::NCAContentType::Program))) {}
AppLoader_XCI::~AppLoader_XCI() = default;
FileType AppLoader_XCI::IdentifyType(const FileSys::VirtualFile& file) { FileType AppLoader_XCI::IdentifyType(const FileSys::VirtualFile& file) {
FileSys::XCI xci(file); FileSys::XCI xci(file);
if (xci.GetStatus() == ResultStatus::Success && if (xci.GetStatus() == ResultStatus::Success &&
xci.GetNCAByType(FileSys::NCAContentType::Program) != nullptr && xci.GetNCAByType(FileSys::NCAContentType::Program) != nullptr &&
AppLoader_NCA::IdentifyType(xci.GetNCAFileByType(FileSys::NCAContentType::Program)) == AppLoader_NCA::IdentifyType(xci.GetNCAFileByType(FileSys::NCAContentType::Program)) ==
FileType::NCA) FileType::NCA) {
return FileType::XCI; return FileType::XCI;
}
return FileType::Error; return FileType::Error;
} }
@ -62,6 +65,4 @@ ResultStatus AppLoader_XCI::ReadProgramId(u64& out_program_id) {
return nca_loader->ReadProgramId(out_program_id); return nca_loader->ReadProgramId(out_program_id);
} }
AppLoader_XCI::~AppLoader_XCI() = default;
} // namespace Loader } // namespace Loader

3
src/core/loader/xci.h
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@ -13,6 +13,7 @@ namespace Loader {
class AppLoader_XCI final : public AppLoader { class AppLoader_XCI final : public AppLoader {
public: public:
explicit AppLoader_XCI(FileSys::VirtualFile file); explicit AppLoader_XCI(FileSys::VirtualFile file);
~AppLoader_XCI();
/** /**
* Returns the type of the file * Returns the type of the file
@ -30,8 +31,6 @@ public:
ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override; ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
ResultStatus ReadProgramId(u64& out_program_id) override; ResultStatus ReadProgramId(u64& out_program_id) override;
~AppLoader_XCI();
private: private:
FileSys::ProgramMetadata metadata; FileSys::ProgramMetadata metadata;

15
src/yuzu/main.cpp
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@ -13,7 +13,6 @@
#include <QMessageBox> #include <QMessageBox>
#include <QtGui> #include <QtGui>
#include <QtWidgets> #include <QtWidgets>
#include <core/crypto/key_manager.h>
#include "common/common_paths.h" #include "common/common_paths.h"
#include "common/logging/backend.h" #include "common/logging/backend.h"
#include "common/logging/filter.h" #include "common/logging/filter.h"
@ -24,6 +23,7 @@
#include "common/scope_exit.h" #include "common/scope_exit.h"
#include "common/string_util.h" #include "common/string_util.h"
#include "core/core.h" #include "core/core.h"
#include "core/crypto/key_manager.h"
#include "core/gdbstub/gdbstub.h" #include "core/gdbstub/gdbstub.h"
#include "core/loader/loader.h" #include "core/loader/loader.h"
#include "core/settings.h" #include "core/settings.h"
@ -89,19 +89,6 @@ GMainWindow::GMainWindow() : config(new Config()), emu_thread(nullptr) {
ui.setupUi(this); ui.setupUi(this);
statusBar()->hide(); statusBar()->hide();
// Initialize keys
std::string keys_dir = FileUtil::GetHactoolConfigurationPath();
if (Settings::values.use_dev_keys) {
Crypto::keys.SetValidationMode(true);
if (FileUtil::Exists(keys_dir + DIR_SEP + "dev.keys"))
Crypto::keys.LoadFromFile(keys_dir + DIR_SEP + "dev.keys", false);
} else {
if (FileUtil::Exists(keys_dir + DIR_SEP + "prod.keys"))
Crypto::keys.LoadFromFile(keys_dir + DIR_SEP + "prod.keys", false);
}
if (FileUtil::Exists(keys_dir + DIR_SEP + "title.keys"))
Crypto::keys.LoadFromFile(keys_dir + DIR_SEP + "title.keys", true);
default_theme_paths = QIcon::themeSearchPaths(); default_theme_paths = QIcon::themeSearchPaths();
UpdateUITheme(); UpdateUITheme();

13
src/yuzu_cmd/yuzu.cpp
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@ -73,19 +73,6 @@ static void InitializeLogging() {
int main(int argc, char** argv) { int main(int argc, char** argv) {
Config config; Config config;
// Initialize keys
std::string keys_dir = FileUtil::GetHactoolConfigurationPath();
if (Settings::values.use_dev_keys) {
Crypto::keys.SetValidationMode(true);
if (FileUtil::Exists(keys_dir + DIR_SEP + "dev.keys"))
Crypto::keys.LoadFromFile(keys_dir + DIR_SEP + "dev.keys", false);
} else {
if (FileUtil::Exists(keys_dir + DIR_SEP + "prod.keys"))
Crypto::keys.LoadFromFile(keys_dir + DIR_SEP + "prod.keys", false);
}
if (FileUtil::Exists(keys_dir + DIR_SEP + "title.keys"))
Crypto::keys.LoadFromFile(keys_dir + DIR_SEP + "title.keys", true);
int option_index = 0; int option_index = 0;
bool use_gdbstub = Settings::values.use_gdbstub; bool use_gdbstub = Settings::values.use_gdbstub;
u32 gdb_port = static_cast<u32>(Settings::values.gdbstub_port); u32 gdb_port = static_cast<u32>(Settings::values.gdbstub_port);