#ifndef CRYPTOPP_SHA_H
#define CRYPTOPP_SHA_H
#include "iterhash.h"
NAMESPACE_BEGIN(CryptoPP)
class SHA : public IteratedHash<word32, true, 64>
{
public:
enum {DIGESTSIZE = 20};
SHA() : IteratedHash<word32, true, 64>(DIGESTSIZE) {Init();}
static void Transform(word32 *digest, const word32 *data);
protected:
void Init();
void vTransform(const word32 *data) {Transform(digest, data);}
};
typedef SHA SHA1;
class SHA256 : public IteratedHash<word32, true, 64>
{
public:
enum {DIGESTSIZE = 32};
SHA256() : IteratedHash<word32, true, 64>(DIGESTSIZE) {Init();}
static void Transform(word32 *digest, const word32 *data);
protected:
void Init();
void vTransform(const word32 *data) {Transform(digest, data);}
const static word32 K[64];
};
#ifdef WORD64_AVAILABLE
class SHA512 : public IteratedHash<word64, true, 128>
{
public:
enum {DIGESTSIZE = 64};
SHA512() : IteratedHash<word64, true, 128>(DIGESTSIZE) {Init();}
static void Transform(word64 *digest, const word64 *data);
protected:
void Init();
void vTransform(const word64 *data) {Transform(digest, data);}
const static word64 K[80];
};
class SHA384 : public IteratedHash<word64, true, 128>
{
public:
enum {DIGESTSIZE = 48};
SHA384() : IteratedHash<word64, true, 128>(64) {Init();}
unsigned int DigestSize() const {return DIGESTSIZE;};
protected:
void Init();
void vTransform(const word64 *data) {SHA512::Transform(digest, data);}
};
#endif
NAMESPACE_END
#endif