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[apt.git] / apt-pkg / contrib / md5.h

diff --git a/apt-pkg/contrib/md5.h b/apt-pkg/contrib/md5.h
index 43bad010a22ee267401857114dec2643c4d05f63..a286f092aa0b6bf1e264b9e541657249bc7a9a85 100644 (file)
--- a/apt-pkg/contrib/md5.h
+++ b/apt-pkg/contrib/md5.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: md5.h,v 1.1 1998/10/31 05:19:59 jgg Exp $
+// $Id: md5.h,v 1.6 2001/05/07 05:06:52 jgg Exp $
 /* ######################################################################
    
    MD5SumValue - Storage for a MD5Sum
@@ -10,7 +10,9 @@
    store a MD5Sum in 16 bytes of memory.
    
    A MD5Sum is used to generate a (hopefully) unique 16 byte number for a
-   block of data. This can be used to gaurd against corruption of a file.
+   block of data. This can be used to guard against corruption of a file.
+   MD5 should not be used for tamper protection, use SHA or something more
+   secure.
    
    There are two classes because computing a MD5 is not a continual 
    operation unless 64 byte blocks are used. Also the summation requires an
@@ -21,46 +23,36 @@
 #ifndef APTPKG_MD5_H
 #define APTPKG_MD5_H
 
-#ifdef __GNUG__
-#pragma interface "apt-pkg/md5.h"
-#endif 
+#include <stdint.h>
 
+#include "hashsum_template.h"
+
+#ifndef APT_10_CLEANER_HEADERS
 #include <string>
+#include <cstring>
+#include <algorithm>
+#endif
+#ifndef APT_8_CLEANER_HEADERS
+using std::string;
+using std::min;
+#endif
 
-class MD5Summation;
+typedef HashSumValue<128> MD5SumValue;
 
-class MD5SumValue
+class MD5Summation : public SummationImplementation
 {
-   friend MD5Summation;
-   unsigned char Sum[4*4];
-   
-   public:
-
-   // Accessors
-   bool operator ==(const MD5SumValue &rhs) const; 
-   string Value() const;
-   inline operator string() const {return Value();}; 
-   bool Set(string Str);
-   
-   MD5SumValue(string Str);
-   MD5SumValue();
-};
-
-class MD5Summation
-{
-   unsigned char Buf[4*4];
+   uint32_t Buf[4];
    unsigned char Bytes[2*4];
    unsigned char In[16*4];
    bool Done;
-   
+
    public:
 
-   bool Add(const unsigned char *Data,unsigned long Size);
-   bool AddFD(int Fd,unsigned long Size);
-   inline bool Add(const unsigned char *Beg,const unsigned char *End) 
-                  {return Add(Beg,End-Beg);};
+   bool Add(const unsigned char *inbuf, unsigned long long inlen) APT_OVERRIDE APT_NONNULL(2);
+   using SummationImplementation::Add;
+
    MD5SumValue Result();
-   
+
    MD5Summation();
 };