// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: md5.h,v 1.2 1998/11/25 23:54:45 jgg Exp $
+// $Id: md5.h,v 1.6 2001/05/07 05:06:52 jgg Exp $
/* ######################################################################
MD5SumValue - Storage for a MD5Sum
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
#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);
- inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
- 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;
+ using SummationImplementation::Add;
+
MD5SumValue Result();
-
+
MD5Summation();
};