German translation proof read by Helge Kreutzmann

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

diff --git a/apt-pkg/contrib/md5.cc b/apt-pkg/contrib/md5.cc
index 0d0a59696c30e2431471bc64f39d95035185f4bd..ff7868fe20919403cf7574b90dd53012b4c32ff3 100644 (file)
--- a/apt-pkg/contrib/md5.cc
+++ b/apt-pkg/contrib/md5.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: md5.cc,v 1.3 1999/08/02 03:07:47 jgg Exp $
+// $Id: md5.cc,v 1.12 2001/05/13 05:15:03 jgg Exp $

 /* ######################################################################
    
    MD5Sum - MD5 Message Digest Algorithm.
 /* ######################################################################
    
    MD5Sum - MD5 Message Digest Algorithm.


@@ -28,36 +28,32 @@
    Still in the public domain.
 
    The classes use arrays of char that are a specific size. We cast those
    Still in the public domain.
 
    The classes use arrays of char that are a specific size. We cast those

-   arrays to UINT32's and go from there. This allows us to advoid using
-   config.h in a public header or internally newing memory. 
+   arrays to uint8_t's and go from there. This allows us to advoid using
+   the uncommon inttypes.h in a public header or internally newing memory.
+   In theory if C9x becomes nicely accepted

    
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

-#ifdef __GNUG__
-#pragma implementation "apt-pkg/md5.h"
-#endif
+#include <config.h>

 
 #include <apt-pkg/md5.h>
 
 #include <apt-pkg/md5.h>

-#include <apt-pkg/strutl.h>

 
 

+#include <stdint.h>

 #include <string.h>
 #include <string.h>

-#include <system.h>
-#include <unistd.h>
-#include <config.h>

                                                                        /*}}}*/
 
 // byteSwap - Swap bytes in a buffer                                   /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 
 // byteSwap - Swap bytes in a buffer                                   /*{{{*/
 // ---------------------------------------------------------------------

-/* This byteswap function will swap byte in a buffer of data */
+/* Swap n 32 bit longs in given buffer */

 #ifdef WORDS_BIGENDIAN
 #ifdef WORDS_BIGENDIAN

-static void byteSwap(UINT32 *buf, unsigned words)
+static void byteSwap(uint32_t *buf, unsigned words)

 {
 {

-   unsigned char *p = (unsigned char *)buf;
+   uint8_t *p = (uint8_t *)buf;

    
    do 
    {
    
    do 
    {

-      *buf++ = (UINT32)((unsigned)p[3] << 8 | p[2]) << 16 |
+      *buf++ = (uint32_t)((unsigned)p[3] << 8 | p[2]) << 16 |

         ((unsigned)p[1] << 8 | p[0]);
       p += 4;
    } while (--words);
         ((unsigned)p[1] << 8 | p[0]);
       p += 4;
    } while (--words);


@@ -83,9 +79,9 @@ static void byteSwap(UINT32 *buf, unsigned words)
 #define MD5STEP(f,w,x,y,z,in,s) \
         (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
 
 #define MD5STEP(f,w,x,y,z,in,s) \
         (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
 

-static void MD5Transform(UINT32 buf[4], UINT32 const in[16])
+static void MD5Transform(uint32_t buf[4], uint32_t const in[16])

 {
 {

-   register UINT32 a, b, c, d;
+   register uint32_t a, b, c, d;

    
    a = buf[0];
    b = buf[1];
    
    a = buf[0];
    b = buf[1];


@@ -166,68 +162,13 @@ static void MD5Transform(UINT32 buf[4], UINT32 const in[16])
    buf[3] += d;
 }
                                                                        /*}}}*/
    buf[3] += d;
 }
                                                                        /*}}}*/

-// MD5SumValue::MD5SumValue - Constructs the summation from a string   /*{{{*/
-// ---------------------------------------------------------------------
-/* The string form of a MD5 is a 32 character hex number */
-MD5SumValue::MD5SumValue(string Str)
-{
-   memset(Sum,0,sizeof(Sum));
-   Set(Str);
-}
-                                                                       /*}}}*/
-// MD5SumValue::MD5SumValue - Default constructor                      /*{{{*/
-// ---------------------------------------------------------------------
-/* Sets the value to 0 */
-MD5SumValue::MD5SumValue()
-{
-   memset(Sum,0,sizeof(Sum));
-}
-                                                                       /*}}}*/
-// MD5SumValue::Set - Set the sum from a string                                /*{{{*/
-// ---------------------------------------------------------------------
-/* Converts the hex string into a set of chars */
-bool MD5SumValue::Set(string Str)
-{
-   return Hex2Num(Str.begin(),Str.end(),Sum,sizeof(Sum));
-}
-                                                                       /*}}}*/
-// MD5SumValue::Value - Convert the number into a string               /*{{{*/
-// ---------------------------------------------------------------------
-/* Converts the set of chars into a hex string in lower case */
-string MD5SumValue::Value() const
-{
-   char Conv[16] = {'0','1','2','3','4','5','6','7','8','9','a','b',
-                    'c','d','e','f'};
-   char Result[33];
-   Result[32] = 0;
-   
-   // Convert each char into two letters
-   int J = 0;
-   int I = 0;
-   for (; I != 32; J++, I += 2)
-   {
-      Result[I] = Conv[Sum[J] >> 4];
-      Result[I + 1] = Conv[Sum[J] & 0xF];
-   } 
-
-   return string(Result);
-}
-                                                                       /*}}}*/
-// MD5SumValue::operator == - Comparitor                               /*{{{*/
-// ---------------------------------------------------------------------
-/* Call memcmp on the buffer */
-bool MD5SumValue::operator ==(const MD5SumValue &rhs) const
-{
-   return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
-}
-                                                                       /*}}}*/

 // MD5Summation::MD5Summation - Initialize the summer                  /*{{{*/
 // ---------------------------------------------------------------------
 /* This assigns the deep magic initial values */
 MD5Summation::MD5Summation()
 {
 // MD5Summation::MD5Summation - Initialize the summer                  /*{{{*/
 // ---------------------------------------------------------------------
 /* This assigns the deep magic initial values */
 MD5Summation::MD5Summation()
 {

-   UINT32 *buf = (UINT32 *)Buf;
-   UINT32 *bytes = (UINT32 *)Bytes;
+   uint32_t *buf = (uint32_t *)Buf;
+   uint32_t *bytes = (uint32_t *)Bytes;

    
    buf[0] = 0x67452301;
    buf[1] = 0xefcdab89;
    
    buf[0] = 0x67452301;
    buf[1] = 0xefcdab89;


@@ -242,17 +183,19 @@ MD5Summation::MD5Summation()
 // MD5Summation::Add - 'Add' a data set to the hash                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // MD5Summation::Add - 'Add' a data set to the hash                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool MD5Summation::Add(const unsigned char *data,unsigned long len)
+bool MD5Summation::Add(const unsigned char *data,unsigned long long len)

 {
    if (Done == true)
       return false;
 {
    if (Done == true)
       return false;

+   if (len == 0)
+      return true;

 
 

-   UINT32 *buf = (UINT32 *)Buf;
-   UINT32 *bytes = (UINT32 *)Bytes;
-   UINT32 *in = (UINT32 *)In;
+   uint32_t *buf = (uint32_t *)Buf;
+   uint32_t *bytes = (uint32_t *)Bytes;
+   uint32_t *in = (uint32_t *)In;

 
    // Update byte count and carry (this could be done with a long long?)
 
    // Update byte count and carry (this could be done with a long long?)

-   UINT32 t = bytes[0];
+   uint32_t t = bytes[0];

    if ((bytes[0] = t + len) < t)
       bytes[1]++;      
 
    if ((bytes[0] = t + len) < t)
       bytes[1]++;      
 


@@ -287,33 +230,15 @@ bool MD5Summation::Add(const unsigned char *data,unsigned long len)
    return true;   
 }
                                                                        /*}}}*/
    return true;   
 }
                                                                        /*}}}*/

-// MD5Summation::AddFD - Add the contents of a FD to the hash          /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool MD5Summation::AddFD(int Fd,unsigned long Size)
-{
-   unsigned char Buf[64*64];
-   int Res = 0;
-   while (Size != 0)
-   {
-      Res = read(Fd,Buf,MIN(Size,sizeof(Buf)));
-      if (Res < 0 || (unsigned)Res != MIN(Size,sizeof(Buf)))
-        return false;
-      Size -= Res;
-      Add(Buf,Res);
-   }
-   return true;
-}
-                                                                       /*}}}*/

 // MD5Summation::Result - Returns the value of the sum                 /*{{{*/
 // ---------------------------------------------------------------------
 /* Because this must add in the last bytes of the series it prevents anyone
    from calling add after. */
 MD5SumValue MD5Summation::Result()
 {
 // MD5Summation::Result - Returns the value of the sum                 /*{{{*/
 // ---------------------------------------------------------------------
 /* Because this must add in the last bytes of the series it prevents anyone
    from calling add after. */
 MD5SumValue MD5Summation::Result()
 {

-   UINT32 *buf = (UINT32 *)Buf;
-   UINT32 *bytes = (UINT32 *)Bytes;
-   UINT32 *in = (UINT32 *)In;
+   uint32_t *buf = (uint32_t *)Buf;
+   uint32_t *bytes = (uint32_t *)Bytes;
+   uint32_t *in = (uint32_t *)In;

    
    if (Done == false)
    {
    
    if (Done == false)
    {


@@ -349,7 +274,7 @@ MD5SumValue MD5Summation::Result()
    }
    
    MD5SumValue V;
    }
    
    MD5SumValue V;

-   memcpy(V.Sum,buf,16);
+   V.Set((unsigned char *)buf);

    return V;
 }
                                                                        /*}}}*/
    return V;
 }
                                                                        /*}}}*/