Files
easy7zip/CPP/7zip/Crypto/Hash/HmacSha1.h
Igor Pavlov d9666cf046 4.44 beta
2016-05-28 00:15:49 +01:00

40 lines
876 B
C++
Executable File

// HmacSha1.h
// Implements HMAC-SHA-1 (RFC2104, FIPS-198)
#ifndef _HMAC_H
#define _HMAC_H
#include "Sha1.h"
namespace NCrypto {
namespace NSha1 {
// Use: SetKey(key, keySize); for () Update(data, size); Final(mac, macSize);
class CHmac
{
CContext _sha;
CContext _sha2;
public:
void SetKey(const Byte *key, size_t keySize);
void Update(const Byte *data, size_t dataSize) { _sha.Update(data, dataSize); }
void Final(Byte *mac, size_t macSize = kDigestSize);
};
class CHmac32
{
CContext32 _sha;
CContext32 _sha2;
public:
void SetKey(const Byte *key, size_t keySize);
void Update(const UInt32 *data, size_t dataSize) { _sha.Update(data, dataSize); }
void Final(UInt32 *mac, size_t macSize = kDigestSizeInWords);
// It'sa for hmac function. in,out: mac[kDigestSizeInWords].
void GetLoopXorDigest(UInt32 *mac, UInt32 numIteration);
};
}}
#endif