apt-pkg/contrib/hashes.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: hashes.h,v 1.2 2001/03/11 05:30:20 jgg Exp $
   4 /* ######################################################################
   5
   6    Hashes - Simple wrapper around the hash functions
   7
   8    This is just used to make building the methods simpler, this is the
   9    only interface required..
  10
  11    ##################################################################### */
  12                                                                         /*}}}*/
  13 #ifndef APTPKG_HASHES_H
  14 #define APTPKG_HASHES_H
  15
  16 #ifdef __GNUG__
  17 #pragma interface "apt-pkg/hashes.h"
  18 #endif
  19
  20 #include <apt-pkg/md5.h>
  21 #include <apt-pkg/sha1.h>
  22 #include <apt-pkg/sha256.h>
  23
  24 #include <algorithm>
  25
  26 using std::min;
  27
  28 class Hashes
  29 {
  30    public:
  31
  32    MD5Summation MD5;
  33    SHA1Summation SHA1;
  34    SHA256Summation SHA256;
  35
  36    inline bool Add(const unsigned char *Data,unsigned long Size)
  37    {
  38       return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size);
  39    };
  40    inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
  41    bool AddFD(int Fd,unsigned long Size);
  42    inline bool Add(const unsigned char *Beg,const unsigned char *End)
  43                   {return Add(Beg,End-Beg);};
  44 };
  45
  46 #endif