53 lines
999 B
C++
Vendored
53 lines
999 B
C++
Vendored
#ifndef _RAR_DATAHASH_
|
|
#define _RAR_DATAHASH_
|
|
|
|
enum HASH_TYPE {HASH_NONE,HASH_RAR14,HASH_CRC32,HASH_BLAKE2};
|
|
|
|
struct HashValue
|
|
{
|
|
void Init(HASH_TYPE Type);
|
|
bool operator == (const HashValue &cmp);
|
|
bool operator != (const HashValue &cmp) {return !(*this==cmp);}
|
|
|
|
HASH_TYPE Type;
|
|
union
|
|
{
|
|
uint CRC32;
|
|
byte Digest[SHA256_DIGEST_SIZE];
|
|
};
|
|
};
|
|
|
|
|
|
#ifdef RAR_SMP
|
|
class ThreadPool;
|
|
class DataHash;
|
|
#endif
|
|
|
|
|
|
class DataHash
|
|
{
|
|
private:
|
|
HASH_TYPE HashType;
|
|
uint CurCRC32;
|
|
blake2sp_state *blake2ctx;
|
|
|
|
#ifdef RAR_SMP
|
|
ThreadPool *ThPool;
|
|
|
|
uint MaxThreads;
|
|
// Upper limit for maximum threads to prevent wasting threads in pool.
|
|
static const uint MaxHashThreads=8;
|
|
#endif
|
|
public:
|
|
DataHash();
|
|
~DataHash();
|
|
void Init(HASH_TYPE Type,uint MaxThreads);
|
|
void Update(const void *Data,size_t DataSize);
|
|
void Result(HashValue *Result);
|
|
uint GetCRC32();
|
|
bool Cmp(HashValue *CmpValue,byte *Key);
|
|
HASH_TYPE Type() {return HashType;}
|
|
};
|
|
|
|
#endif
|