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#ifndef CRYPTOPP_SHA_H
#define CRYPTOPP_SHA_H
#include "iterhash.h"
NAMESPACE_BEGIN(CryptoPP)
/// <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a>
class CRYPTOPP_DLL SHA : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA>
{
public:
static void InitState(HashWordType *state);
static void Transform(word32 *digest, const word32 *data);
static const char *StaticAlgorithmName() {return "SHA-1";}
};
typedef SHA SHA1;
//! implements the SHA-256 standard
class SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256>
{
public:
static void InitState(HashWordType *state);
static void Transform(word32 *digest, const word32 *data);
static const char *StaticAlgorithmName() {return "SHA-256";}
protected:
static const word32 K[64];
};
//! implements the SHA-224 standard
class SHA224 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA224, 28>
{
public:
static void InitState(HashWordType *state);
static void Transform(word32 *digest, const word32 *data) {SHA256::Transform(digest, data);}
static const char *StaticAlgorithmName() {return "SHA-224";}
};
#ifdef WORD64_AVAILABLE
//! implements the SHA-512 standard
class SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512>
{
public:
static void InitState(HashWordType *state);
static void Transform(word64 *digest, const word64 *data);
static const char *StaticAlgorithmName() {return "SHA-512";}
protected:
static const word64 K[80];
};
//! implements the SHA-384 standard
class SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48>
{
public:
static void InitState(HashWordType *state);
static void Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);}
static const char *StaticAlgorithmName() {return "SHA-384";}
};
#endif
NAMESPACE_END
#endif
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