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
  17 #include <apt-pkg/md5.h>
  18 #include <apt-pkg/sha1.h>
  19 #include <apt-pkg/sha256.h>
  20
  21 #include <algorithm>
  22
  23 using std::min;
  24
  25 class Hashes
  26 {
  27    public:
  28
  29    MD5Summation MD5;
  30    SHA1Summation SHA1;
  31    SHA256Summation SHA256;
  32
  33    inline bool Add(const unsigned char *Data,unsigned long Size)
  34    {
  35       return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size);
  36    };
  37    inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
  38    bool AddFD(int Fd,unsigned long Size);
  39    inline bool Add(const unsigned char *Beg,const unsigned char *End)
  40                   {return Add(Beg,End-Beg);};
  41 };
  42
  43 #endif