CMake/Source/cmCryptoHash.h
Brad King 38771d3bdf Add file(SHA*) commands to compute cryptographic hashes
Add a file() command API for SHA1, SHA224, SHA256, SHA384, and SHA512.
2011-11-16 10:15:44 -05:00

62 lines
1.7 KiB
C++

/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cmCryptoHash_h
#define cmCryptoHash_h
#include "cmStandardIncludes.h"
class cmCryptoHash
{
public:
std::string HashString(const char* input);
std::string HashFile(const char* file);
protected:
virtual void Initialize()=0;
virtual void Append(unsigned char const*, int)=0;
virtual std::string Finalize()=0;
};
class cmCryptoHashMD5: public cmCryptoHash
{
struct cmsysMD5_s* MD5;
public:
cmCryptoHashMD5();
~cmCryptoHashMD5();
protected:
virtual void Initialize();
virtual void Append(unsigned char const* buf, int sz);
virtual std::string Finalize();
};
#define cmCryptoHash_SHA_CLASS_DECL(SHA) \
class cmCryptoHash##SHA: public cmCryptoHash \
{ \
union _SHA_CTX* SHA; \
public: \
cmCryptoHash##SHA(); \
~cmCryptoHash##SHA(); \
protected: \
virtual void Initialize(); \
virtual void Append(unsigned char const* buf, int sz); \
virtual std::string Finalize(); \
}
cmCryptoHash_SHA_CLASS_DECL(SHA1);
cmCryptoHash_SHA_CLASS_DECL(SHA224);
cmCryptoHash_SHA_CLASS_DECL(SHA256);
cmCryptoHash_SHA_CLASS_DECL(SHA384);
cmCryptoHash_SHA_CLASS_DECL(SHA512);
#undef cmCryptoHash_SHA_CLASS_DECL
#endif