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pl_u: Fix mismatched rebase size error in font encryption
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36d829c27b
commit
1911f85391
@ -18,16 +18,14 @@ namespace {
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template <std::size_t Size>
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VirtualFile PackBFTTF(const std::array<u8, Size>& data, const std::string& name) {
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std::vector<u8> vec(Size);
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std::memcpy(vec.data(), data.data(), vec.size());
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std::vector<u32> vec(Size / sizeof(u32));
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std::memcpy(vec.data(), data.data(), vec.size() * sizeof(u32));
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Kernel::PhysicalMemory bfttf(Size + sizeof(u64));
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std::vector<u8> bfttf(Size + sizeof(u64));
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Service::NS::EncryptSharedFont(vec, bfttf);
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std::vector<u8> bfttf_vec(Size + sizeof(u64));
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std::memcpy(bfttf_vec.data(), bfttf.data(), bfttf_vec.size());
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return std::make_shared<VectorVfsFile>(std::move(bfttf_vec), name);
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u64 offset = 0;
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Service::NS::EncryptSharedFont(vec, bfttf, offset);
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return std::make_shared<VectorVfsFile>(std::move(bfttf), name);
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}
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} // Anonymous namespace
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@ -6,13 +6,6 @@
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#include <cstring>
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#include <vector>
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#include <FontChineseSimplified.h>
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#include <FontChineseTraditional.h>
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#include <FontExtendedChineseSimplified.h>
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#include <FontKorean.h>
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#include <FontNintendoExtended.h>
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#include <FontStandard.h>
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#include "common/assert.h"
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#include "common/common_paths.h"
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#include "common/common_types.h"
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@ -26,6 +19,7 @@
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#include "core/file_sys/romfs.h"
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#include "core/file_sys/system_archive/system_archive.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/physical_memory.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/hle/service/ns/pl_u.h"
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@ -95,8 +89,10 @@ static void DecryptSharedFont(const std::vector<u32>& input, Kernel::PhysicalMem
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offset += transformed_font.size() * sizeof(u32);
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}
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void EncryptSharedFont(const std::vector<u8>& input, Kernel::PhysicalMemory& output) {
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ASSERT_MSG(input.size() * sizeof(u32) < SHARED_FONT_MEM_SIZE, "Shared fonts exceeds 17mb!");
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void EncryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output,
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std::size_t& offset) {
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ASSERT_MSG(offset + (input.size() * sizeof(u32)) < SHARED_FONT_MEM_SIZE,
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"Shared fonts exceeds 17mb!");
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const auto key = Common::swap32(EXPECTED_RESULT ^ EXPECTED_MAGIC);
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std::vector<u32> transformed_font(input.size() + 2);
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@ -104,7 +100,9 @@ void EncryptSharedFont(const std::vector<u8>& input, Kernel::PhysicalMemory& out
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transformed_font[1] = Common::swap32(input.size() * sizeof(u32)) ^ key;
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std::transform(input.begin(), input.end(), transformed_font.begin() + 2,
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[key](u32 in) { return in ^ key; });
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std::memcpy(output.data(), transformed_font.data(), transformed_font.size() * sizeof(u32));
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std::memcpy(output.data() + offset, transformed_font.data(),
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transformed_font.size() * sizeof(u32));
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offset += transformed_font.size() * sizeof(u32);
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}
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// Helper function to make BuildSharedFontsRawRegions a bit nicer
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@ -5,7 +5,7 @@
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#pragma once
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#include <memory>
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#include "core/hle/kernel/physical_memory.h"
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#include <vector>
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#include "core/hle/service/service.h"
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namespace Service {
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@ -16,6 +16,8 @@ class FileSystemController;
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namespace NS {
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void EncryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output, std::size_t& offset);
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class PL_U final : public ServiceFramework<PL_U> {
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public:
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explicit PL_U(Core::System& system);
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