X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/989d0c75b089862eb0962d3eca260041dc4ea5da..3b5607fc31371190470074371793cb8500b5139e:/apt-pkg/contrib/md5.cc diff --git a/apt-pkg/contrib/md5.cc b/apt-pkg/contrib/md5.cc index 2247aeaee..b487a96f9 100644 --- a/apt-pkg/contrib/md5.cc +++ b/apt-pkg/contrib/md5.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: md5.cc,v 1.9 1999/11/16 01:51:03 jgg Exp $ +// $Id: md5.cc,v 1.12 2001/05/13 05:15:03 jgg Exp $ /* ###################################################################### MD5Sum - MD5 Message Digest Algorithm. @@ -35,26 +35,19 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "apt-pkg/md5.h" -#endif +#include #include -#include +#include #include -#include -#include -#include // For htonl -#include -#include /*}}}*/ // byteSwap - Swap bytes in a buffer /*{{{*/ // --------------------------------------------------------------------- /* Swap n 32 bit longs in given buffer */ #ifdef WORDS_BIGENDIAN -static void byteSwap(uint8_t *buf, unsigned words) +static void byteSwap(uint32_t *buf, unsigned words) { uint8_t *p = (uint8_t *)buf; @@ -169,61 +162,6 @@ static void MD5Transform(uint32_t buf[4], uint32_t const in[16]) 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 */ @@ -245,7 +183,7 @@ MD5Summation::MD5Summation() // 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; @@ -269,7 +207,7 @@ bool MD5Summation::Add(const unsigned char *data,unsigned long len) // First chunk is an odd size memcpy((unsigned char *)in + 64 - t,data,t); - byteSwap((uint8_t *)in, 16); + byteSwap(in, 16); MD5Transform(buf,in); data += t; len -= t; @@ -278,7 +216,7 @@ bool MD5Summation::Add(const unsigned char *data,unsigned long len) while (len >= 64) { memcpy(in,data,64); - byteSwap((uint8_t *)in,16); + byteSwap(in,16); MD5Transform(buf,in); data += 64; len -= 64; @@ -290,24 +228,6 @@ bool MD5Summation::Add(const unsigned char *data,unsigned long len) 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 @@ -334,25 +254,25 @@ MD5SumValue MD5Summation::Result() if (count < 0) { memset(p,0,count + 8); - byteSwap((uint8_t *)in, 16); + byteSwap(in, 16); MD5Transform(buf,in); p = (unsigned char *)in; count = 56; } memset(p, 0, count); - byteSwap((uint8_t *)in, 14); + byteSwap(in, 14); // Append length in bits and transform in[14] = bytes[0] << 3; in[15] = bytes[1] << 3 | bytes[0] >> 29; MD5Transform(buf,in); - byteSwap((uint8_t *)buf,4); + byteSwap(buf,4); Done = true; } MD5SumValue V; - memcpy(V.Sum,buf,16); + V.Set((unsigned char *)buf); return V; } /*}}}*/