mirror of https://git.suyu.dev/suyu/suyu
bunnei
GitHub
commit
2b06301dbf
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Subproject commit 06442b840ea62e2ceda0dc58f255cfff49fed5b6
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <mbedtls/cipher.h>
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#include "core/crypto/aes_util.h"
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#include "core/crypto/key_manager.h"
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namespace Core::Crypto {
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static_assert(static_cast<size_t>(Mode::CTR) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_CTR),
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"CTR has incorrect value.");
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static_assert(static_cast<size_t>(Mode::ECB) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_ECB),
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"ECB has incorrect value.");
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static_assert(static_cast<size_t>(Mode::XTS) == static_cast<size_t>(MBEDTLS_CIPHER_AES_128_XTS),
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"XTS has incorrect value.");
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// Structure to hide mbedtls types from header file
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struct CipherContext {
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mbedtls_cipher_context_t encryption_context;
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mbedtls_cipher_context_t decryption_context;
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};
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template <typename Key, size_t KeySize>
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Crypto::AESCipher<Key, KeySize>::AESCipher(Key key, Mode mode)
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: ctx(std::make_unique<CipherContext>()) {
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mbedtls_cipher_init(&ctx->encryption_context);
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mbedtls_cipher_init(&ctx->decryption_context);
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ASSERT_MSG((mbedtls_cipher_setup(
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&ctx->encryption_context,
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mbedtls_cipher_info_from_type(static_cast<mbedtls_cipher_type_t>(mode))) ||
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mbedtls_cipher_setup(
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&ctx->decryption_context,
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mbedtls_cipher_info_from_type(static_cast<mbedtls_cipher_type_t>(mode)))) == 0,
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"Failed to initialize mbedtls ciphers.");
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ASSERT(
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!mbedtls_cipher_setkey(&ctx->encryption_context, key.data(), KeySize * 8, MBEDTLS_ENCRYPT));
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ASSERT(
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!mbedtls_cipher_setkey(&ctx->decryption_context, key.data(), KeySize * 8, MBEDTLS_DECRYPT));
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//"Failed to set key on mbedtls ciphers.");
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}
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template <typename Key, size_t KeySize>
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AESCipher<Key, KeySize>::~AESCipher() {
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mbedtls_cipher_free(&ctx->encryption_context);
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mbedtls_cipher_free(&ctx->decryption_context);
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}
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template <typename Key, size_t KeySize>
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void AESCipher<Key, KeySize>::SetIV(std::vector<u8> iv) {
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ASSERT_MSG((mbedtls_cipher_set_iv(&ctx->encryption_context, iv.data(), iv.size()) ||
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mbedtls_cipher_set_iv(&ctx->decryption_context, iv.data(), iv.size())) == 0,
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"Failed to set IV on mbedtls ciphers.");
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}
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template <typename Key, size_t KeySize>
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void AESCipher<Key, KeySize>::Transcode(const u8* src, size_t size, u8* dest, Op op) {
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size_t written = 0;
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const auto context = op == Op::Encrypt ? &ctx->encryption_context : &ctx->decryption_context;
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mbedtls_cipher_reset(context);
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if (mbedtls_cipher_get_cipher_mode(context) == MBEDTLS_MODE_XTS) {
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mbedtls_cipher_update(context, src, size, dest, &written);
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if (written != size)
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LOG_WARNING(Crypto, "Not all data was decrypted requested={:016X}, actual={:016X}.",
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size, written);
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} else {
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const auto block_size = mbedtls_cipher_get_block_size(context);
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for (size_t offset = 0; offset < size; offset += block_size) {
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auto length = std::min<size_t>(block_size, size - offset);
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mbedtls_cipher_update(context, src + offset, length, dest + offset, &written);
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if (written != length)
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LOG_WARNING(Crypto, "Not all data was decrypted requested={:016X}, actual={:016X}.",
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length, written);
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}
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}
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mbedtls_cipher_finish(context, nullptr, nullptr);
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}
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template <typename Key, size_t KeySize>
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void AESCipher<Key, KeySize>::XTSTranscode(const u8* src, size_t size, u8* dest, size_t sector_id,
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size_t sector_size, Op op) {
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if (size % sector_size > 0) {
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LOG_CRITICAL(Crypto, "Data size must be a multiple of sector size.");
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return;
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}
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for (size_t i = 0; i < size; i += sector_size) {
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SetIV(CalculateNintendoTweak(sector_id++));
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Transcode<u8, u8>(src + i, sector_size, dest + i, op);
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}
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}
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template <typename Key, size_t KeySize>
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std::vector<u8> AESCipher<Key, KeySize>::CalculateNintendoTweak(size_t sector_id) {
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std::vector<u8> out(0x10);
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for (size_t i = 0xF; i <= 0xF; --i) {
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out[i] = sector_id & 0xFF;
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sector_id >>= 8;
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}
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return out;
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}
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template class AESCipher<Key128>;
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template class AESCipher<Key256>;
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} // namespace Core::Crypto
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <type_traits>
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#include <vector>
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#include "common/assert.h"
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#include "core/file_sys/vfs.h"
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namespace Core::Crypto {
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struct CipherContext;
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enum class Mode {
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CTR = 11,
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ECB = 2,
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XTS = 70,
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};
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enum class Op {
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Encrypt,
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Decrypt,
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};
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template <typename Key, size_t KeySize = sizeof(Key)>
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class AESCipher {
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static_assert(std::is_same_v<Key, std::array<u8, KeySize>>, "Key must be std::array of u8.");
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static_assert(KeySize == 0x10 || KeySize == 0x20, "KeySize must be 128 or 256.");
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public:
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AESCipher(Key key, Mode mode);
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~AESCipher();
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void SetIV(std::vector<u8> iv);
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template <typename Source, typename Dest>
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void Transcode(const Source* src, size_t size, Dest* dest, Op op) {
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Transcode(reinterpret_cast<const u8*>(src), size, reinterpret_cast<u8*>(dest), op);
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}
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void Transcode(const u8* src, size_t size, u8* dest, Op op);
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template <typename Source, typename Dest>
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void XTSTranscode(const Source* src, size_t size, Dest* dest, size_t sector_id,
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size_t sector_size, Op op) {
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XTSTranscode(reinterpret_cast<const u8*>(src), size, reinterpret_cast<u8*>(dest), sector_id,
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sector_size, op);
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}
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void XTSTranscode(const u8* src, size_t size, u8* dest, size_t sector_id, size_t sector_size,
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Op op);
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private:
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std::unique_ptr<CipherContext> ctx;
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static std::vector<u8> CalculateNintendoTweak(size_t sector_id);
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};
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} // namespace Core::Crypto
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include "common/assert.h"
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#include "core/crypto/ctr_encryption_layer.h"
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namespace Core::Crypto {
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CTREncryptionLayer::CTREncryptionLayer(FileSys::VirtualFile base_, Key128 key_, size_t base_offset)
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: EncryptionLayer(std::move(base_)), base_offset(base_offset), cipher(key_, Mode::CTR),
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iv(16, 0) {}
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size_t CTREncryptionLayer::Read(u8* data, size_t length, size_t offset) const {
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if (length == 0)
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return 0;
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const auto sector_offset = offset & 0xF;
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if (sector_offset == 0) {
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UpdateIV(base_offset + offset);
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std::vector<u8> raw = base->ReadBytes(length, offset);
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if (raw.size() != length)
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return Read(data, raw.size(), offset);
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cipher.Transcode(raw.data(), length, data, Op::Decrypt);
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return length;
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}
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// offset does not fall on block boundary (0x10)
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std::vector<u8> block = base->ReadBytes(0x10, offset - sector_offset);
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UpdateIV(base_offset + offset - sector_offset);
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cipher.Transcode(block.data(), block.size(), block.data(), Op::Decrypt);
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size_t read = 0x10 - sector_offset;
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if (length + sector_offset < 0x10) {
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std::memcpy(data, block.data() + sector_offset, std::min<u64>(length, read));
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return read;
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}
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std::memcpy(data, block.data() + sector_offset, read);
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return read + Read(data + read, length - read, offset + read);
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}
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void CTREncryptionLayer::SetIV(const std::vector<u8>& iv_) {
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const auto length = std::min(iv_.size(), iv.size());
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iv.assign(iv_.cbegin(), iv_.cbegin() + length);
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}
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void CTREncryptionLayer::UpdateIV(size_t offset) const {
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offset >>= 4;
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for (size_t i = 0; i < 8; ++i) {
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iv[16 - i - 1] = offset & 0xFF;
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offset >>= 8;
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}
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cipher.SetIV(iv);
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}
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} // namespace Core::Crypto
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <vector>
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#include "core/crypto/aes_util.h"
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#include "core/crypto/encryption_layer.h"
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#include "core/crypto/key_manager.h"
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namespace Core::Crypto {
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// Sits on top of a VirtualFile and provides CTR-mode AES decription.
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class CTREncryptionLayer : public EncryptionLayer {
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public:
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CTREncryptionLayer(FileSys::VirtualFile base, Key128 key, size_t base_offset);
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size_t Read(u8* data, size_t length, size_t offset) const override;
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void SetIV(const std::vector<u8>& iv);
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private:
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size_t base_offset;
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// Must be mutable as operations modify cipher contexts.
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mutable AESCipher<Key128> cipher;
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mutable std::vector<u8> iv;
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void UpdateIV(size_t offset) const;
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};
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} // namespace Core::Crypto
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/crypto/encryption_layer.h"
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namespace Core::Crypto {
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EncryptionLayer::EncryptionLayer(FileSys::VirtualFile base_) : base(std::move(base_)) {}
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std::string EncryptionLayer::GetName() const {
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return base->GetName();
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}
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size_t EncryptionLayer::GetSize() const {
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return base->GetSize();
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}
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bool EncryptionLayer::Resize(size_t new_size) {
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return false;
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}
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std::shared_ptr<FileSys::VfsDirectory> EncryptionLayer::GetContainingDirectory() const {
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return base->GetContainingDirectory();
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}
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bool EncryptionLayer::IsWritable() const {
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return false;
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}
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bool EncryptionLayer::IsReadable() const {
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return true;
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}
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size_t EncryptionLayer::Write(const u8* data, size_t length, size_t offset) {
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return 0;
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}
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bool EncryptionLayer::Rename(std::string_view name) {
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return base->Rename(name);
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}
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} // namespace Core::Crypto
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@ -0,0 +1,32 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "core/file_sys/vfs.h"
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namespace Core::Crypto {
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// Basically non-functional class that implements all of the methods that are irrelevant to an
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// EncryptionLayer. Reduces duplicate code.
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class EncryptionLayer : public FileSys::VfsFile {
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public:
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explicit EncryptionLayer(FileSys::VirtualFile base);
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size_t Read(u8* data, size_t length, size_t offset) const override = 0;
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std::string GetName() const override;
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size_t GetSize() const override;
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bool Resize(size_t new_size) override;
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std::shared_ptr<FileSys::VfsDirectory> GetContainingDirectory() const override;
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bool IsWritable() const override;
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bool IsReadable() const override;
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size_t Write(const u8* data, size_t length, size_t offset) override;
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bool Rename(std::string_view name) override;
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protected:
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FileSys::VirtualFile base;
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};
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} // namespace Core::Crypto
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@ -0,0 +1,215 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <array>
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#include <fstream>
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#include <locale>
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#include <sstream>
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#include <string_view>
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#include <mbedtls/sha256.h>
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#include "common/assert.h"
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#include "common/common_paths.h"
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "core/crypto/key_manager.h"
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#include "core/settings.h"
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#include "key_manager.h"
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namespace Core::Crypto {
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static u8 ToHexNibble(char c1) {
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if (c1 >= 65 && c1 <= 70)
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return c1 - 55;
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if (c1 >= 97 && c1 <= 102)
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return c1 - 87;
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if (c1 >= 48 && c1 <= 57)
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return c1 - 48;
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throw std::logic_error("Invalid hex digit");
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}
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template <size_t Size>
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static std::array<u8, Size> HexStringToArray(std::string_view str) {
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std::array<u8, Size> out{};
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for (size_t i = 0; i < 2 * Size; i += 2) {
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auto d1 = str[i];
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auto d2 = str[i + 1];
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out[i / 2] = (ToHexNibble(d1) << 4) | ToHexNibble(d2);
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}
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return out;
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}
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std::array<u8, 16> operator""_array16(const char* str, size_t len) {
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if (len != 32)
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throw std::logic_error("Not of correct size.");
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return HexStringToArray<16>(str);
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}
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std::array<u8, 32> operator""_array32(const char* str, size_t len) {
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if (len != 64)
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throw std::logic_error("Not of correct size.");
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return HexStringToArray<32>(str);
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}
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KeyManager::KeyManager() {
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// Initialize keys
|
||||
const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();
|
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const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
|
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if (Settings::values.use_dev_keys) {
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dev_mode = true;
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AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "dev.keys", false);
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} else {
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dev_mode = false;
|
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AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "prod.keys", false);
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}
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||||
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AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "title.keys", true);
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}
|
||||
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void KeyManager::LoadFromFile(std::string_view filename_, bool is_title_keys) {
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||||
const auto filename = std::string(filename_);
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std::ifstream file(filename);
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if (!file.is_open())
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return;
|
||||
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std::string line;
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while (std::getline(file, line)) {
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std::vector<std::string> out;
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std::stringstream stream(line);
|
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std::string item;
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while (std::getline(stream, item, '='))
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out.push_back(std::move(item));
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||||
|
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if (out.size() != 2)
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continue;
|
||||
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||||
out[0].erase(std::remove(out[0].begin(), out[0].end(), ' '), out[0].end());
|
||||
out[1].erase(std::remove(out[1].begin(), out[1].end(), ' '), out[1].end());
|
||||
|
||||
if (is_title_keys) {
|
||||
auto rights_id_raw = HexStringToArray<16>(out[0]);
|
||||
u128 rights_id{};
|
||||
std::memcpy(rights_id.data(), rights_id_raw.data(), rights_id_raw.size());
|
||||
Key128 key = HexStringToArray<16>(out[1]);
|
||||
SetKey(S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
|
||||
} else {
|
||||
std::transform(out[0].begin(), out[0].end(), out[0].begin(), ::tolower);
|
||||
if (s128_file_id.find(out[0]) != s128_file_id.end()) {
|
||||
const auto index = s128_file_id.at(out[0]);
|
||||
Key128 key = HexStringToArray<16>(out[1]);
|
||||
SetKey(index.type, key, index.field1, index.field2);
|
||||
} else if (s256_file_id.find(out[0]) != s256_file_id.end()) {
|
||||
const auto index = s256_file_id.at(out[0]);
|
||||
Key256 key = HexStringToArray<32>(out[1]);
|
||||
SetKey(index.type, key, index.field1, index.field2);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void KeyManager::AttemptLoadKeyFile(std::string_view dir1_, std::string_view dir2_,
|
||||
std::string_view filename_, bool title) {
|
||||
const std::string dir1(dir1_);
|
||||
const std::string dir2(dir2_);
|
||||
const std::string filename(filename_);
|
||||
if (FileUtil::Exists(dir1 + DIR_SEP + filename))
|
||||
LoadFromFile(dir1 + DIR_SEP + filename, title);
|
||||
else if (FileUtil::Exists(dir2 + DIR_SEP + filename))
|
||||
LoadFromFile(dir2 + DIR_SEP + filename, title);
|
||||
}
|
||||
|
||||
bool KeyManager::HasKey(S128KeyType id, u64 field1, u64 field2) const {
|
||||
return s128_keys.find({id, field1, field2}) != s128_keys.end();
|
||||
}
|
||||
|
||||
bool KeyManager::HasKey(S256KeyType id, u64 field1, u64 field2) const {
|
||||
return s256_keys.find({id, field1, field2}) != s256_keys.end();
|
||||
}
|
||||
|
||||
Key128 KeyManager::GetKey(S128KeyType id, u64 field1, u64 field2) const {
|
||||
if (!HasKey(id, field1, field2))
|
||||
return {};
|
||||
return s128_keys.at({id, field1, field2});
|
||||
}
|
||||
|
||||
Key256 KeyManager::GetKey(S256KeyType id, u64 field1, u64 field2) const {
|
||||
if (!HasKey(id, field1, field2))
|
||||
return {};
|
||||
return s256_keys.at({id, field1, field2});
|
||||
}
|
||||
|
||||
void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
|
||||
s128_keys[{id, field1, field2}] = key;
|
||||
}
|
||||
|
||||
void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
|
||||
s256_keys[{id, field1, field2}] = key;
|
||||
}
|
||||
|
||||
bool KeyManager::KeyFileExists(bool title) {
|
||||
const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();
|
||||
const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir);
|
||||
if (title) {
|
||||
return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "title.keys") ||
|
||||
FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "title.keys");
|
||||
}
|
||||
|
||||
if (Settings::values.use_dev_keys) {
|
||||
return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "dev.keys") ||
|
||||
FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "dev.keys");
|
||||
}
|
||||
|
||||
return FileUtil::Exists(hactool_keys_dir + DIR_SEP + "prod.keys") ||
|
||||
FileUtil::Exists(yuzu_keys_dir + DIR_SEP + "prod.keys");
|
||||
}
|
||||
|
||||
const 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::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)}},
|
||||
};
|
||||
|
||||
const std::unordered_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = {
|
||||
{"header_key", {S256KeyType::Header, 0, 0}},
|
||||
{"sd_card_save_key", {S256KeyType::SDSave, 0, 0}},
|
||||
{"sd_card_nca_key", {S256KeyType::SDNCA, 0, 0}},
|
||||
};
|
||||
} // namespace Core::Crypto
|
||||
@ -0,0 +1,119 @@
|
||||
// Copyright 2018 yuzu emulator team
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
#include <type_traits>
|
||||
#include <unordered_map>
|
||||
#include <vector>
|
||||
#include <fmt/format.h>
|
||||
#include "common/common_types.h"
|
||||
|
||||
namespace Core::Crypto {
|
||||
|
||||
using Key128 = std::array<u8, 0x10>;
|
||||
using Key256 = std::array<u8, 0x20>;
|
||||
using SHA256Hash = std::array<u8, 0x20>;
|
||||
|
||||
static_assert(sizeof(Key128) == 16, "Key128 must be 128 bytes big.");
|
||||
static_assert(sizeof(Key256) == 32, "Key128 must be 128 bytes big.");
|
||||
|
||||
enum class S256KeyType : u64 {
|
||||
Header, //
|
||||
SDSave, //
|
||||
SDNCA, //
|
||||
};
|
||||
|
||||
enum class S128KeyType : u64 {
|
||||
Master, // f1=crypto revision
|
||||
Package1, // f1=crypto revision
|
||||
Package2, // f1=crypto revision
|
||||
Titlekek, // f1=crypto revision
|
||||
ETicketRSAKek, //
|
||||
KeyArea, // f1=crypto revision f2=type {app, ocean, system}
|
||||
SDSeed, //
|
||||
Titlekey, // f1=rights id LSB f2=rights id MSB
|
||||
};
|
||||
|
||||
enum class KeyAreaKeyType : u8 {
|
||||
Application,
|
||||
Ocean,
|
||||
System,
|
||||
};
|
||||
|
||||
template <typename KeyType>
|
||||
struct KeyIndex {
|
||||
KeyType type;
|
||||
u64 field1;
|
||||
u64 field2;
|
||||
|
||||
std::string DebugInfo() const {
|
||||
u8 key_size = 16;
|
||||
if constexpr (std::is_same_v<KeyType, S256KeyType>)
|
||||
key_size = 32;
|
||||
return fmt::format("key_size={:02X}, key={:02X}, field1={:016X}, field2={:016X}", key_size,
|
||||
static_cast<u8>(type), field1, field2);
|
||||
}
|
||||
};
|
||||
|
||||
// The following two (== and hash) are so KeyIndex can be a key in unordered_map
|
||||
|
||||
template <typename KeyType>
|
||||
bool operator==(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) {
|
||||
return std::tie(lhs.type, lhs.field1, lhs.field2) == std::tie(rhs.type, rhs.field1, rhs.field2);
|
||||
}
|
||||
|
||||
template <typename KeyType>
|
||||
bool operator!=(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) {
|
||||
return !operator==(lhs, rhs);
|
||||
}
|
||||
|
||||
} // namespace Core::Crypto
|
||||
|
||||
namespace std {
|
||||
template <typename KeyType>
|
||||
struct hash<Core::Crypto::KeyIndex<KeyType>> {
|
||||
size_t operator()(const Core::Crypto::KeyIndex<KeyType>& k) const {
|
||||
using std::hash;
|
||||
|
||||
return ((hash<u64>()(static_cast<u64>(k.type)) ^ (hash<u64>()(k.field1) << 1)) >> 1) ^
|
||||
(hash<u64>()(k.field2) << 1);
|
||||
}
|
||||
};
|
||||
} // namespace std
|
||||
|
||||
namespace Core::Crypto {
|
||||
|
||||
std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
|
||||
std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);
|
||||
|
||||
class KeyManager {
|
||||
public:
|
||||
KeyManager();
|
||||
|
||||
bool HasKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0) const;
|
||||
bool HasKey(S256KeyType id, u64 field1 = 0, u64 field2 = 0) const;
|
||||
|
||||
Key128 GetKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0) const;
|
||||
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(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0);
|
||||
|
||||
static bool KeyFileExists(bool title);
|
||||
|
||||
private:
|
||||
std::unordered_map<KeyIndex<S128KeyType>, Key128> s128_keys;
|
||||
std::unordered_map<KeyIndex<S256KeyType>, Key256> s256_keys;
|
||||
|
||||
bool dev_mode;
|
||||
void LoadFromFile(std::string_view filename, bool is_title_keys);
|
||||
void AttemptLoadKeyFile(std::string_view dir1, std::string_view dir2, std::string_view filename,
|
||||
bool title);
|
||||
|
||||
static const std::unordered_map<std::string, KeyIndex<S128KeyType>> s128_file_id;
|
||||
static const std::unordered_map<std::string, KeyIndex<S256KeyType>> s256_file_id;
|
||||
};
|
||||
} // namespace Core::Crypto
|
||||
@ -0,0 +1,5 @@
|
||||
// Copyright 2018 yuzu emulator team
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
namespace Crypto {} // namespace Crypto
|
||||
@ -0,0 +1,20 @@
|
||||
// Copyright 2018 yuzu emulator team
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "core/file_sys/vfs.h"
|
||||
#include "key_manager.h"
|
||||
#include "mbedtls/cipher.h"
|
||||
|
||||
namespace Crypto {
|
||||
typedef std::array<u8, 0x20> SHA256Hash;
|
||||
|
||||
inline SHA256Hash operator"" _HASH(const char* data, size_t len) {
|
||||
if (len != 0x40)
|
||||
return {};
|
||||
}
|
||||
|
||||
} // namespace Crypto
|
||||
@ -0,0 +1,149 @@
|
||||
// Copyright 2018 yuzu emulator team
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <array>
|
||||
#include <string>
|
||||
#include <core/loader/loader.h>
|
||||
#include "core/file_sys/card_image.h"
|
||||
#include "core/file_sys/partition_filesystem.h"
|
||||
#include "core/file_sys/vfs_offset.h"
|
||||
|
||||
namespace FileSys {
|
||||
|
||||
XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
|
||||
if (file->ReadObject(&header) != sizeof(GamecardHeader)) {
|
||||
status = Loader::ResultStatus::ErrorInvalidFormat;
|
||||
return;
|
||||
}
|
||||
|
||||
if (header.magic != Common::MakeMagic('H', 'E', 'A', 'D')) {
|
||||
status = Loader::ResultStatus::ErrorInvalidFormat;
|
||||
return;
|
||||
}
|
||||
|
||||
PartitionFilesystem main_hfs(
|
||||
std::make_shared<OffsetVfsFile>(file, header.hfs_size, header.hfs_offset));
|
||||
|
||||
if (main_hfs.GetStatus() != Loader::ResultStatus::Success) {
|
||||
status = main_hfs.GetStatus();
|
||||
return;
|
||||
}
|
||||
|
||||
static constexpr std::array<const char*, 0x4> partition_names = {"update", "normal", "secure",
|
||||
"logo"};
|
||||
|
||||
for (XCIPartition partition :
|
||||
{XCIPartition::Update, XCIPartition::Normal, XCIPartition::Secure, XCIPartition::Logo}) {
|
||||
auto raw = main_hfs.GetFile(partition_names[static_cast<size_t>(partition)]);
|
||||
if (raw != nullptr)
|
||||
partitions[static_cast<size_t>(partition)] = std::make_shared<PartitionFilesystem>(raw);
|
||||
}
|
||||
|
||||
auto result = AddNCAFromPartition(XCIPartition::Secure);
|
||||
if (result != Loader::ResultStatus::Success) {
|
||||
status = result;
|
||||
return;
|
||||
}
|
||||
|
||||
result = AddNCAFromPartition(XCIPartition::Update);
|
||||
if (result != Loader::ResultStatus::Success) {
|
||||
status = result;
|
||||
return;
|
||||
}
|
||||
|
||||
result = AddNCAFromPartition(XCIPartition::Normal);
|
||||
if (result != Loader::ResultStatus::Success) {
|
||||
status = result;
|
||||
return;
|
||||
}
|
||||
|
||||
if (GetFormatVersion() >= 0x2) {
|
||||
result = AddNCAFromPartition(XCIPartition::Logo);
|
||||
if (result != Loader::ResultStatus::Success) {
|
||||
status = result;
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
status = Loader::ResultStatus::Success;
|
||||
}
|
||||
|
||||
Loader::ResultStatus XCI::GetStatus() const {
|
||||
return status;
|
||||
}
|
||||
|
||||
VirtualDir XCI::GetPartition(XCIPartition partition) const {
|
||||
return partitions[static_cast<size_t>(partition)];
|
||||
}
|
||||
|
||||
VirtualDir XCI::GetSecurePartition() const {
|
||||
return GetPartition(XCIPartition::Secure);
|
||||
}
|
||||
|
||||
VirtualDir XCI::GetNormalPartition() const {
|
||||
return GetPartition(XCIPartition::Normal);
|
||||
}
|
||||
|
||||
VirtualDir XCI::GetUpdatePartition() const {
|
||||
return GetPartition(XCIPartition::Update);
|
||||
}
|
||||
|
||||
VirtualDir XCI::GetLogoPartition() const {
|
||||
return GetPartition(XCIPartition::Logo);
|
||||
}
|
||||
|
||||
std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const {
|
||||
const auto iter =
|
||||
std::find_if(ncas.begin(), ncas.end(),
|
||||
[type](const std::shared_ptr<NCA>& nca) { return nca->GetType() == type; });
|
||||
return iter == ncas.end() ? nullptr : *iter;
|
||||
}
|
||||
|
||||
VirtualFile XCI::GetNCAFileByType(NCAContentType type) const {
|
||||
auto nca = GetNCAByType(type);
|
||||
if (nca != nullptr)
|
||||
return nca->GetBaseFile();
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
std::vector<std::shared_ptr<VfsFile>> XCI::GetFiles() const {
|
||||
return {};
|
||||
}
|
||||
|
||||
std::vector<std::shared_ptr<VfsDirectory>> XCI::GetSubdirectories() const {
|
||||
return std::vector<std::shared_ptr<VfsDirectory>>();
|
||||
}
|
||||
|
||||
std::string XCI::GetName() const {
|
||||
return file->GetName();
|
||||
}
|
||||
|
||||
std::shared_ptr<VfsDirectory> XCI::GetParentDirectory() const {
|
||||
return file->GetContainingDirectory();
|
||||
}
|
||||
|
||||
bool XCI::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
|
||||
return false;
|
||||
}
|
||||
|
||||
Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
|
||||
if (partitions[static_cast<size_t>(part)] == nullptr) {
|
||||
return Loader::ResultStatus::ErrorInvalidFormat;
|
||||
}
|
||||
|
||||
for (const VirtualFile& file : partitions[static_cast<size_t>(part)]->GetFiles()) {
|
||||
if (file->GetExtension() != "nca")
|
||||
continue;
|
||||
auto nca = std::make_shared<NCA>(file);
|
||||
if (nca->GetStatus() == Loader::ResultStatus::Success)
|
||||
ncas.push_back(std::move(nca));
|
||||
}
|
||||
|
||||
return Loader::ResultStatus::Success;
|
||||
}
|
||||
|
||||
u8 XCI::GetFormatVersion() const {
|
||||
return GetLogoPartition() == nullptr ? 0x1 : 0x2;
|
||||
}
|
||||
} // namespace FileSys
|
||||
@ -0,0 +1,96 @@
|
||||
// Copyright 2018 yuzu emulator team
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
#include <vector>
|
||||
#include "common/common_types.h"
|
||||
#include "common/swap.h"
|
||||
#include "core/file_sys/content_archive.h"
|
||||
#include "core/file_sys/vfs.h"
|
||||
#include "core/loader/loader.h"
|
||||
|
||||
namespace FileSys {
|
||||
|
||||
enum class GamecardSize : u8 {
|
||||
S_1GB = 0xFA,
|
||||
S_2GB = 0xF8,
|
||||
S_4GB = 0xF0,
|
||||
S_8GB = 0xE0,
|
||||
S_16GB = 0xE1,
|
||||
S_32GB = 0xE2,
|
||||
};
|
||||
|
||||
struct GamecardInfo {
|
||||
std::array<u8, 0x70> data;
|
||||
};
|
||||
static_assert(sizeof(GamecardInfo) == 0x70, "GamecardInfo has incorrect size.");
|
||||
|
||||
struct GamecardHeader {
|
||||
std::array<u8, 0x100> signature;
|
||||
u32_le magic;
|
||||
u32_le secure_area_start;
|
||||
u32_le backup_area_start;
|
||||
u8 kek_index;
|
||||
GamecardSize size;
|
||||
u8 header_version;
|
||||
u8 flags;
|
||||
u64_le package_id;
|
||||
u64_le valid_data_end;
|
||||
u128 info_iv;
|
||||
u64_le hfs_offset;
|
||||
u64_le hfs_size;
|
||||
std::array<u8, 0x20> hfs_header_hash;
|
||||
std::array<u8, 0x20> initial_data_hash;
|
||||
u32_le secure_mode_flag;
|
||||
u32_le title_key_flag;
|
||||
u32_le key_flag;
|
||||
u32_le normal_area_end;
|
||||
GamecardInfo info;
|
||||
};
|
||||
static_assert(sizeof(GamecardHeader) == 0x200, "GamecardHeader has incorrect size.");
|
||||
|
||||
enum class XCIPartition : u8 { Update, Normal, Secure, Logo };
|
||||
|
||||
class XCI : public ReadOnlyVfsDirectory {
|
||||
public:
|
||||
explicit XCI(VirtualFile file);
|
||||
|
||||
Loader::ResultStatus GetStatus() const;
|
||||
|
||||
u8 GetFormatVersion() const;
|
||||
|
||||
VirtualDir GetPartition(XCIPartition partition) const;
|
||||
VirtualDir GetSecurePartition() const;
|
||||
VirtualDir GetNormalPartition() const;
|
||||
VirtualDir GetUpdatePartition() const;
|
||||
VirtualDir GetLogoPartition() const;
|
||||
|
||||
std::shared_ptr<NCA> GetNCAByType(NCAContentType type) const;
|
||||
VirtualFile GetNCAFileByType(NCAContentType type) const;
|
||||
|
||||
std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
|
||||
|
||||
std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
|
||||
|
||||
std::string GetName() const override;
|
||||
|
||||
std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
|
||||
|
||||
protected:
|
||||
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
|
||||
|
||||
private:
|
||||
Loader::ResultStatus AddNCAFromPartition(XCIPartition part);
|
||||
|
||||
VirtualFile file;
|
||||
GamecardHeader header{};
|
||||
|
||||
Loader::ResultStatus status;
|
||||
|
||||
std::vector<VirtualDir> partitions;
|
||||
std::vector<std::shared_ptr<NCA>> ncas;
|
||||
};
|
||||
} // namespace FileSys
|
||||
@ -0,0 +1,74 @@
|
||||
// Copyright 2018 yuzu emulator team
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <vector>
|
||||
|
||||
#include "common/file_util.h"
|
||||
#include "common/logging/log.h"
|
||||
#include "common/string_util.h"
|
||||
#include "common/swap.h"
|
||||
#include "core/core.h"
|
||||
#include "core/file_sys/content_archive.h"
|
||||
#include "core/file_sys/control_metadata.h"
|
||||
#include "core/file_sys/program_metadata.h"
|
||||
#include "core/file_sys/romfs.h"
|
||||
#include "core/gdbstub/gdbstub.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/kernel/resource_limit.h"
|
||||
#include "core/hle/service/filesystem/filesystem.h"
|
||||
#include "core/loader/nso.h"
|
||||
#include "core/loader/xci.h"
|
||||
#include "core/memory.h"
|
||||
|
||||
namespace Loader {
|
||||
|
||||
AppLoader_XCI::AppLoader_XCI(FileSys::VirtualFile file)
|
||||
: AppLoader(file), xci(std::make_unique<FileSys::XCI>(file)),
|
||||
nca_loader(std::make_unique<AppLoader_NCA>(
|
||||
xci->GetNCAFileByType(FileSys::NCAContentType::Program))) {}
|
||||
|
||||
AppLoader_XCI::~AppLoader_XCI() = default;
|
||||
|
||||
FileType AppLoader_XCI::IdentifyType(const FileSys::VirtualFile& file) {
|
||||
FileSys::XCI xci(file);
|
||||
|
||||
if (xci.GetStatus() == ResultStatus::Success &&
|
||||
xci.GetNCAByType(FileSys::NCAContentType::Program) != nullptr &&
|
||||
AppLoader_NCA::IdentifyType(xci.GetNCAFileByType(FileSys::NCAContentType::Program)) ==
|
||||
FileType::NCA) {
|
||||
return FileType::XCI;
|
||||
}
|
||||
|
||||
return FileType::Error;
|
||||
}
|
||||
|
||||
ResultStatus AppLoader_XCI::Load(Kernel::SharedPtr<Kernel::Process>& process) {
|
||||
if (is_loaded) {
|
||||
return ResultStatus::ErrorAlreadyLoaded;
|
||||
}
|
||||
|
||||
if (xci->GetNCAFileByType(FileSys::NCAContentType::Program) == nullptr) {
|
||||
if (!Core::Crypto::KeyManager::KeyFileExists(false))
|
||||
return ResultStatus::ErrorMissingKeys;
|
||||
return ResultStatus::ErrorDecrypting;
|
||||
}
|
||||
|
||||
auto result = nca_loader->Load(process);
|
||||
if (result != ResultStatus::Success)
|
||||
return result;
|
||||
|
||||
is_loaded = true;
|
||||
|
||||
return ResultStatus::Success;
|
||||
}
|
||||
|
||||
ResultStatus AppLoader_XCI::ReadRomFS(FileSys::VirtualFile& dir) {
|
||||
return nca_loader->ReadRomFS(dir);
|
||||
}
|
||||
|
||||
ResultStatus AppLoader_XCI::ReadProgramId(u64& out_program_id) {
|
||||
return nca_loader->ReadProgramId(out_program_id);
|
||||
}
|
||||
|
||||
} // namespace Loader
|
||||
@ -0,0 +1,44 @@
|
||||
// Copyright 2018 yuzu emulator team
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <memory>
|
||||
#include "common/common_types.h"
|
||||
#include "core/file_sys/card_image.h"
|
||||
#include "core/loader/loader.h"
|
||||
#include "core/loader/nca.h"
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// Loads an XCI file
|
||||
class AppLoader_XCI final : public AppLoader {
|
||||
public:
|
||||
explicit AppLoader_XCI(FileSys::VirtualFile file);
|
||||
~AppLoader_XCI();
|
||||
|
||||
/**
|
||||
* Returns the type of the file
|
||||
* @param file std::shared_ptr<VfsFile> open file
|
||||
* @return FileType found, or FileType::Error if this loader doesn't know it
|
||||
*/
|
||||
static FileType IdentifyType(const FileSys::VirtualFile& file);
|
||||
|
||||
FileType GetFileType() override {
|
||||
return IdentifyType(file);
|
||||
}
|
||||
|
||||
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
|
||||
|
||||
ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
|
||||
ResultStatus ReadProgramId(u64& out_program_id) override;
|
||||
|
||||
private:
|
||||
FileSys::ProgramMetadata metadata;
|
||||
|
||||
std::unique_ptr<FileSys::XCI> xci;
|
||||
std::unique_ptr<AppLoader_NCA> nca_loader;
|
||||
};
|
||||
|
||||
} // namespace Loader
|
||||
Loading…
Reference in New Issue