[nx] Add implement importBinary for HierarchicalSha256Header and stubbed HierarchicalIntegrityHeader.

This commit is contained in:
jakcron 2018-05-20 09:19:41 +08:00
parent e64f309c31
commit d93116863e
7 changed files with 264 additions and 8 deletions

View file

@ -10,6 +10,27 @@ namespace nx
public fnd::ISerialiseableBinary public fnd::ISerialiseableBinary
{ {
public: public:
struct sLayer
{
size_t offset;
size_t size;
void operator=(const sLayer& other)
{
offset = other.offset;
size = other.size;
}
bool operator==(const sLayer& other)
{
return (offset == other.offset && size == other.size);
}
bool operator!=(const sLayer& other)
{
return !(*this == other);
}
};
HierarchicalSha256Header(); HierarchicalSha256Header();
HierarchicalSha256Header(const HierarchicalSha256Header& other); HierarchicalSha256Header(const HierarchicalSha256Header& other);
@ -30,7 +51,14 @@ namespace nx
// variables // variables
void clear(); void clear();
const crypto::sha::sSha256Hash& getMasterHash() const;
void setMasterHash(const crypto::sha::sSha256Hash& master_hash);
size_t getHashBlockSize() const;
void setHashBlockSize(size_t hash_block_size);
const fnd::List<sLayer>& getLayerInfo() const;
void setLayerInfo(const fnd::List<sLayer>& layer_info);
private: private:
const std::string kModuleName = "HIERARCHICAL_SHA256_HEADER"; const std::string kModuleName = "HIERARCHICAL_SHA256_HEADER";
@ -38,10 +66,10 @@ namespace nx
fnd::MemoryBlob mBinaryBlob; fnd::MemoryBlob mBinaryBlob;
// data // data
crypto::sha::sSha256Hash mMasterHash;
size_t mHashBlockSize;
fnd::List<sLayer> mLayerInfo;
uint64_t blockNumToSize(uint32_t block_num) const;
uint32_t sizeToBlockNum(uint64_t real_size) const;
bool isEqual(const HierarchicalSha256Header& other) const; bool isEqual(const HierarchicalSha256Header& other) const;
void copyFrom(const HierarchicalSha256Header& other); void copyFrom(const HierarchicalSha256Header& other);
}; };

View file

@ -6,12 +6,12 @@
namespace nx namespace nx
{ {
// Also known as HierarchicalIntegrity // Also known to the public as IVFC
namespace hierarchicalintegrity namespace hierarchicalintegrity
{ {
const std::string kStructSig = "IVFC"; const std::string kStructSig = "IVFC";
static const size_t kMaxLayerNum = 7;
static const uint32_t kTypeId = 0x20000; static const uint32_t kTypeId = 0x20000;
static const size_t kMaxLayerNum = 7;
static const size_t kMaxMasterHashNum = 3; static const size_t kMaxMasterHashNum = 3;
} }

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@ -19,7 +19,7 @@ namespace nx
crypto::sha::sSha256Hash master_hash; crypto::sha::sSha256Hash master_hash;
le_uint32_t hash_block_size; le_uint32_t hash_block_size;
le_uint32_t layer_num; le_uint32_t layer_num;
struct sLayout struct sLayer
{ {
le_uint64_t offset; le_uint64_t offset;
le_uint64_t size; le_uint64_t size;

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@ -30,7 +30,7 @@
<ClInclude Include="include\nx\FacHeader.h" /> <ClInclude Include="include\nx\FacHeader.h" />
<ClInclude Include="include\nx\HandleTableSizeEntry.h" /> <ClInclude Include="include\nx\HandleTableSizeEntry.h" />
<ClInclude Include="include\nx\HandleTableSizeHandler.h" /> <ClInclude Include="include\nx\HandleTableSizeHandler.h" />
<ClInclude Include="include\nx\HierarchicalIntergrityHeader.h" /> <ClInclude Include="include\nx\HierarchicalIntegrityHeader.h" />
<ClInclude Include="include\nx\hierarchicalsha256.h" /> <ClInclude Include="include\nx\hierarchicalsha256.h" />
<ClInclude Include="include\nx\HierarchicalSha256Header.h" /> <ClInclude Include="include\nx\HierarchicalSha256Header.h" />
<ClInclude Include="include\nx\IKernelCapabilityHandler.h" /> <ClInclude Include="include\nx\IKernelCapabilityHandler.h" />

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@ -153,7 +153,7 @@
<ClInclude Include="include\nx\HierarchicalSha256Header.h"> <ClInclude Include="include\nx\HierarchicalSha256Header.h">
<Filter>Header Files</Filter> <Filter>Header Files</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="include\nx\HierarchicalIntergrityHeader.h"> <ClInclude Include="include\nx\HierarchicalIntegrityHeader.h">
<Filter>Header Files</Filter> <Filter>Header Files</Filter>
</ClInclude> </ClInclude>
</ItemGroup> </ItemGroup>

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@ -0,0 +1,96 @@
#include <nx/HierarchicalIntegrityHeader.h>
nx::HierarchicalIntegrityHeader::HierarchicalIntegrityHeader()
{
clear();
}
nx::HierarchicalIntegrityHeader::HierarchicalIntegrityHeader(const HierarchicalIntegrityHeader & other)
{
copyFrom(other);
}
nx::HierarchicalIntegrityHeader::HierarchicalIntegrityHeader(const byte_t * bytes, size_t len)
{
importBinary(bytes, len);
}
bool nx::HierarchicalIntegrityHeader::operator==(const HierarchicalIntegrityHeader & other) const
{
return isEqual(other);
}
bool nx::HierarchicalIntegrityHeader::operator!=(const HierarchicalIntegrityHeader & other) const
{
return !isEqual(other);
}
void nx::HierarchicalIntegrityHeader::operator=(const HierarchicalIntegrityHeader & other)
{
copyFrom(other);
}
const byte_t * nx::HierarchicalIntegrityHeader::getBytes() const
{
return mBinaryBlob.getBytes();
}
size_t nx::HierarchicalIntegrityHeader::getSize() const
{
return mBinaryBlob.getSize();
}
void nx::HierarchicalIntegrityHeader::exportBinary()
{
throw fnd::Exception(kModuleName, "exportBinary() not implemented");
}
void nx::HierarchicalIntegrityHeader::importBinary(const byte_t * bytes, size_t len)
{
throw fnd::Exception(kModuleName, "importBinary() not implemented");
}
void nx::HierarchicalIntegrityHeader::clear()
{
mLayerInfo.clear();
mMasterHashList.clear();
}
const fnd::List<nx::HierarchicalIntegrityHeader::sLayer>& nx::HierarchicalIntegrityHeader::getLayerInfo() const
{
return mLayerInfo;
}
void nx::HierarchicalIntegrityHeader::setLayerInfo(const fnd::List<sLayer>& layer_info)
{
mLayerInfo = layer_info;
}
const fnd::List<crypto::sha::sSha256Hash>& nx::HierarchicalIntegrityHeader::getMasterHashList() const
{
return mMasterHashList;
}
void nx::HierarchicalIntegrityHeader::setMasterHashList(const fnd::List<crypto::sha::sSha256Hash>& master_hash_list)
{
mMasterHashList = master_hash_list;
}
bool nx::HierarchicalIntegrityHeader::isEqual(const HierarchicalIntegrityHeader & other) const
{
return (mLayerInfo == other.mLayerInfo) \
&& (mMasterHashList == other.mMasterHashList);
}
void nx::HierarchicalIntegrityHeader::copyFrom(const HierarchicalIntegrityHeader & other)
{
if (other.getSize() != 0)
{
importBinary(other.getBytes(), other.getSize());
}
else
{
mLayerInfo = other.mLayerInfo;
mMasterHashList = other.mMasterHashList;
}
}

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@ -0,0 +1,132 @@
#include <sstream>
#include <nx/HierarchicalSha256Header.h>
nx::HierarchicalSha256Header::HierarchicalSha256Header()
{
clear();
}
nx::HierarchicalSha256Header::HierarchicalSha256Header(const HierarchicalSha256Header & other)
{
copyFrom(other);
}
nx::HierarchicalSha256Header::HierarchicalSha256Header(const byte_t * bytes, size_t len)
{
importBinary(bytes, len);
}
bool nx::HierarchicalSha256Header::operator==(const HierarchicalSha256Header & other) const
{
return isEqual(other);
}
bool nx::HierarchicalSha256Header::operator!=(const HierarchicalSha256Header & other) const
{
return !isEqual(other);
}
void nx::HierarchicalSha256Header::operator=(const HierarchicalSha256Header & other)
{
copyFrom(other);
}
const byte_t * nx::HierarchicalSha256Header::getBytes() const
{
return mBinaryBlob.getBytes();
}
size_t nx::HierarchicalSha256Header::getSize() const
{
return mBinaryBlob.getSize();
}
void nx::HierarchicalSha256Header::exportBinary()
{
throw fnd::Exception(kModuleName, "exportBinary() not implemented");
}
void nx::HierarchicalSha256Header::importBinary(const byte_t * bytes, size_t len)
{
if (len < sizeof(nx::sHierarchicalSha256Header))
{
throw fnd::Exception(kModuleName, "Header too small");
}
const nx::sHierarchicalSha256Header* hdr = (const nx::sHierarchicalSha256Header*)bytes;
if (hdr->layer_num.get() != nx::hierarchicalsha256::kDefaultLevelNum)
{
std::stringstream ss;
ss.clear();
ss << "Invalid layer count. ";
ss << "(actual=" << hdr->layer_num.get() << ", expected=" << nx::hierarchicalsha256::kDefaultLevelNum << ")";
throw fnd::Exception(kModuleName, ss.str());
}
mMasterHash = hdr->master_hash;
mHashBlockSize = hdr->hash_block_size.get();
for (size_t i = 0; i < hdr->layer_num.get(); i++)
{
mLayerInfo.addElement({hdr->layer[i].offset.get(), hdr->layer[i].size.get()});
}
}
void nx::HierarchicalSha256Header::clear()
{
memset(mMasterHash.bytes, 0, sizeof(crypto::sha::sSha256Hash));
mHashBlockSize = 0;
mLayerInfo.clear();
}
const crypto::sha::sSha256Hash & nx::HierarchicalSha256Header::getMasterHash() const
{
return mMasterHash;
}
void nx::HierarchicalSha256Header::setMasterHash(const crypto::sha::sSha256Hash & master_hash)
{
mMasterHash = master_hash;
}
size_t nx::HierarchicalSha256Header::getHashBlockSize() const
{
return mHashBlockSize;
}
void nx::HierarchicalSha256Header::setHashBlockSize(size_t hash_block_size)
{
mHashBlockSize = hash_block_size;
}
const fnd::List<nx::HierarchicalSha256Header::sLayer>& nx::HierarchicalSha256Header::getLayerInfo() const
{
return mLayerInfo;
}
void nx::HierarchicalSha256Header::setLayerInfo(const fnd::List<sLayer>& layer_info)
{
mLayerInfo = layer_info;
}
bool nx::HierarchicalSha256Header::isEqual(const HierarchicalSha256Header & other) const
{
return (mMasterHash == other.mMasterHash) \
&& (mHashBlockSize == other.mHashBlockSize) \
&& (mLayerInfo == other.mLayerInfo);
}
void nx::HierarchicalSha256Header::copyFrom(const HierarchicalSha256Header & other)
{
if (other.getSize() != 0)
{
importBinary(other.getBytes(), other.getSize());
}
else
{
mMasterHash = other.mMasterHash;
mHashBlockSize = other.mHashBlockSize;
mLayerInfo = other.mLayerInfo;
}
}