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https://github.com/jakcron/nstool
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[nx] Add AciHeader.
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4 changed files with 249 additions and 0 deletions
142
lib/nx/AciHeader.cpp
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142
lib/nx/AciHeader.cpp
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#include "AciHeader.h"
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void AciHeader::clearVariables()
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{
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mType = TYPE_ACI0;
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mProgramId = 0;
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mFac.offset = 0;
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mFac.size = 0;
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mSac.offset = 0;
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mSac.size = 0;
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mKc.offset = 0;
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mKc.size = 0;
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}
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void AciHeader::calculateSectionOffsets()
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{
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mFac.offset = align(sizeof(sAciHeader), kAciAlignSize);
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mSac.offset = mFac.offset + align(mFac.size, kAciAlignSize);
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mKc.offset = mSac.offset + align(mSac.size, kAciAlignSize);
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}
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const u8 * AciHeader::getBytes() const
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{
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return mBinaryBlob.data();
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}
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size_t AciHeader::getSize() const
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{
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return mBinaryBlob.size();
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}
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void AciHeader::exportBinary()
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{
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mBinaryBlob.alloc(sizeof(sAciHeader));
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sAciHeader* hdr = (sAciHeader*)mBinaryBlob.data();
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// set type
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switch (mType)
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{
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case (TYPE_ACI0):
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hdr->set_signature(kAciStructSig.c_str());
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break;
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case (TYPE_ACID):
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hdr->set_signature(kAciDescStructSig.c_str());
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break;
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default:
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throw fnd::Exception(kModuleName, "Unexpected ACI type");
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}
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// set program
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hdr->set_program_id(mProgramId);
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// set offset/size
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calculateSectionOffsets();
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hdr->fac().set_offset(mFac.offset);
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hdr->fac().set_size(mFac.size);
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hdr->sac().set_offset(mSac.offset);
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hdr->sac().set_size(mSac.size);
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hdr->kc().set_offset(mKc.offset);
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hdr->kc().set_size(mKc.size);
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}
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void AciHeader::importBinary(const u8 * bytes)
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{
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clearVariables();
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mBinaryBlob.alloc(sizeof(sAciHeader));
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memcpy(mBinaryBlob.data(), bytes, sizeof(sAciHeader));
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sAciHeader* hdr = (sAciHeader*)mBinaryBlob.data();
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if (memcmp(hdr->signature(), kAciStructSig.c_str(), 4) == 0)
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{
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mType = TYPE_ACI0;
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}
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else if (memcmp(hdr->signature(), kAciDescStructSig.c_str(), 4) == 0)
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{
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mType = TYPE_ACID;
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}
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else
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{
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throw fnd::Exception(kModuleName, "ACI header corrupt");
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}
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mProgramId = hdr->program_id();
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mFac.offset = hdr->fac().offset();
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mFac.size = hdr->fac().size();
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mSac.offset = hdr->sac().offset();
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mSac.size = hdr->sac().size();
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mKc.offset = hdr->kc().offset();
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mKc.size = hdr->kc().size();
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}
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AciHeader::AciType AciHeader::getAciType() const
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{
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return mType;
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}
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void AciHeader::setAciType(AciType type)
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{
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mType = type;
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}
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u64 AciHeader::getProgramId() const
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{
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return mProgramId;
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}
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void AciHeader::setProgramId(u64 program_id)
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{
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mProgramId = program_id;
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}
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const AciHeader::sSection & AciHeader::getFileAccessControl() const
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{
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return mFac;
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}
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void AciHeader::setFileAccessControl(u32 size)
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{
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mFac.size = size;
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}
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const AciHeader::sSection & AciHeader::getServiceAccessControl() const
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{
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return mSac;
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}
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void AciHeader::setServiceAccessControl(u32 size)
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{
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mSac.size = size;
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}
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const AciHeader::sSection & AciHeader::getKernelCapabilities() const
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{
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return mKc;
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}
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void AciHeader::setKernelCapabilities(u32 size)
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{
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mKc.size = size;
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}
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97
lib/nx/AciHeader.h
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97
lib/nx/AciHeader.h
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#pragma once
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#include <fnd/types.h>
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#include <fnd/memory_blob.h>
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#include <string>
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class AciHeader
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{
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public:
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enum AciType
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{
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TYPE_ACI0, // for Access Control Info
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TYPE_ACID // for Access Control Info Desc
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};
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struct sSection
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{
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size_t offset;
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size_t size;
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};
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// to be used after export
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const u8* getBytes() const;
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size_t getSize() const;
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// export/import binary
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void exportBinary();
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void importBinary(const u8* bytes);
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// variables
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AciType getAciType() const;
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void setAciType(AciType type);
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u64 getProgramId() const;
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void setProgramId(u64 program_id);
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const sSection& getFileAccessControl() const;
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void setFileAccessControl(u32 size);
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const sSection& getServiceAccessControl() const;
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void setServiceAccessControl(u32 size);
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const sSection& getKernelCapabilities() const;
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void setKernelCapabilities(u32 size);
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private:
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const std::string kModuleName = "ACI_HEADER";
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const std::string kAciStructSig = "ACI0";
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const std::string kAciDescStructSig = "ACID";
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static const size_t kAciAlignSize = 0x10;
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#pragma pack(push, 1)
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struct sAciHeader
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{
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private:
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u8 signature_[4];
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u8 reserved_1[12];
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u64 program_id_;
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u8 reserved_2[8];
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struct sAciSection
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{
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private:
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u32 offset_; // aligned by 0x10 from the last one
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u32 size_;
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public:
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u32 offset() const { return le_word(offset_); }
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void set_offset(u32 offset) { offset_ = le_word(offset); }
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u32 size() const { return le_word(size_); }
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void set_size(u32 size) { size_ = le_word(size); }
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} fac_, sac_, kc_;
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u8 reserved_3[8];
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public:
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const char* signature() const { return (const char*)signature_; }
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void set_signature(const char* signature) { memcpy(signature_, signature, 4); }
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u64 program_id() const { return le_dword(program_id_); }
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void set_program_id(u64 program_id) { program_id_ = le_dword(program_id); }
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const sAciSection& fac() const { return fac_; }
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sAciSection& fac() { return fac_; }
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const sAciSection& sac() const { return sac_; }
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sAciSection& sac() { return sac_; }
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const sAciSection& kc() const { return kc_; }
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sAciSection& kc() { return kc_; }
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};
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#pragma pack(pop)
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// raw data
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fnd::MemoryBlob mBinaryBlob;
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// variables
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AciType mType;
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u64 mProgramId;
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sSection mFac, mSac, mKc;
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void clearVariables();
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void calculateSectionOffsets();
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};
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@ -19,10 +19,12 @@
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</ProjectConfiguration>
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="AciHeader.h" />
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<ClInclude Include="NcaHeader.h" />
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<ClInclude Include="NXCrypto.h" />
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="AciHeader.cpp" />
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<ClCompile Include="NcaHeader.cpp" />
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<WarningLevel>Level3</WarningLevel>
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<Optimization>Disabled</Optimization>
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<SDLCheck>true</SDLCheck>
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<AdditionalIncludeDirectories>..\</AdditionalIncludeDirectories>
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</ClCompile>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<WarningLevel>Level3</WarningLevel>
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<Optimization>Disabled</Optimization>
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<SDLCheck>true</SDLCheck>
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<AdditionalIncludeDirectories>..\</AdditionalIncludeDirectories>
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</ClCompile>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClInclude Include="NcaHeader.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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<ClInclude Include="AciHeader.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="NcaHeader.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="AciHeader.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>
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