FSHA1 | Unreal Engine 5.7 Documentation | Epic Developer Community


Name	FSHA1
Type	class
Header File	/Engine/Source/Runtime/Core/Public/Misc/SecureHash.h
Include Path	#include "Misc/SecureHash.h"

Syntax

class FSHA1

Name	Remarks	Include Path	Unreal Specifiers
FSHA1()	Constructor and Destructor.	Misc/SecureHash.h

Name	Remarks	Include Path	Unreal Specifiers
~FSHA1()		Misc/SecureHash.h

Name	Remarks
FSHA1

Name	Type	Remarks	Include Path
FullFileSHAHashMap	TMap< FString, uint8 * >	Global map of filename to hash value, filled out in InitializeFileHashesFromBuffer	Misc/SecureHash.h
ScriptSHAHashMap	TMap< FString, uint8 * >	Global map of filename to hash value, but for script-only SHA hashes	Misc/SecureHash.h

Name	Type	Include Path
__reserved1	uint32	Misc/SecureHash.h
__reserved2	uint32	Misc/SecureHash.h
m_buffer	uint8	Misc/SecureHash.h
m_count	uint64	Misc/SecureHash.h
m_digest	uint8	Misc/SecureHash.h
m_state	uint32	Misc/SecureHash.h

Name	Remarks	Include Path
void Final()	Finalize hash and report.	Misc/SecureHash.h
FSHAHash Finalize()	Finalize hash and return it.	Misc/SecureHash.h
void GetHash ( uint8* puDest ) const	Report functions: as pre-formatted and raw data.	Misc/SecureHash.h
void Reset()		Misc/SecureHash.h
void Update ( const Type& InData )	Update with POD data.	Misc/SecureHash.h
void Update ( const uint8* data, uint64 len )	Update the hash value.	Misc/SecureHash.h
void UpdateWithString ( const TCHAR* data, uint32 len )	Update the hash value with string.	Misc/SecureHash.h

Name	Remarks	Include Path
static bool GetFileSHAHash ( const TCHAR* Pathname, uint8 Hash, bool bIsFullPackageHash )	Gets the stored SHA hash from the platform, if it exists.	Misc/SecureHash.h
static FSHAHash HashBuffer ( const void* Data, uint64 DataSize )	Calculate the hash on a single block and return it	Misc/SecureHash.h
static void HashBuffer ( const void* Data, uint64 DataSize, uint8* OutHash )	Calculate the hash on a single block and return it	Misc/SecureHash.h
static void HMACBuffer ( const void* Key, uint32 KeySize, const void* Data, uint64 DataSize, uint8* OutHash )	Generate the HMAC (Hash-based Message Authentication Code) for a block of data.	Misc/SecureHash.h
static void InitializeFileHashesFromBuffer ( uint8* Buffer, uint64 BufferSize, bool bDuplicateKeyMemory )	Shared hashes.sha reading code (each platform gets a buffer to the data, then passes it to this function for processing)	Misc/SecureHash.h