// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: hashes.h,v 1.1 2001/03/06 07:15:29 jgg Exp $
+// $Id: hashes.h,v 1.2 2001/03/11 05:30:20 jgg Exp $
/* ######################################################################
Hashes - Simple wrapper around the hash functions
#ifndef APTPKG_HASHES_H
#define APTPKG_HASHES_H
-#ifdef __GNUG__
-#pragma interface "apt-pkg/hashesh.h"
-#endif
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha2.h>
+#include <apt-pkg/fileutl.h>
+
+#include <algorithm>
+#include <vector>
+#include <cstring>
+
+
+#ifndef APT_8_CLEANER_HEADERS
+using std::min;
+using std::vector;
+#endif
+
+// helper class that contains hash function name
+// and hash
+class HashString
+{
+ protected:
+ std::string Type;
+ std::string Hash;
+ static const char * _SupportedHashes[10];
+
+ public:
+ HashString(std::string Type, std::string Hash);
+ HashString(std::string StringedHashString); // init from str as "type:hash"
+ HashString();
+
+ // get hash type used
+ std::string HashType() { return Type; };
+
+ // verify the given filename against the currently loaded hash
+ bool VerifyFile(std::string filename) const;
+
+ // helper
+ std::string toStr() const; // convert to str as "type:hash"
+ bool empty() const;
+
+ // return the list of hashes we support
+ static const char** SupportedHashes();
+};
class Hashes
{
MD5Summation MD5;
SHA1Summation SHA1;
+ SHA256Summation SHA256;
+ SHA512Summation SHA512;
- inline bool Add(const unsigned char *Data,unsigned long Size)
+ inline bool Add(const unsigned char *Data,unsigned long long Size)
{
- MD5.Add(Data,Size);
- SHA1.Add(Data,Size);
+ return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size) && SHA512.Add(Data,Size);
};
inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
- bool AddFD(int Fd,unsigned long Size);
+ inline bool AddFD(int const Fd,unsigned long long Size = 0)
+ { return AddFD(Fd, Size, true, true, true, true); };
+ bool AddFD(int const Fd, unsigned long long Size, bool const addMD5,
+ bool const addSHA1, bool const addSHA256, bool const addSHA512);
+ inline bool AddFD(FileFd &Fd,unsigned long long Size = 0)
+ { return AddFD(Fd, Size, true, true, true, true); };
+ bool AddFD(FileFd &Fd, unsigned long long Size, bool const addMD5,
+ bool const addSHA1, bool const addSHA256, bool const addSHA512);
inline bool Add(const unsigned char *Beg,const unsigned char *End)
{return Add(Beg,End-Beg);};
};