00001 #ifndef __XRDCKSCALCMD5_HH__ 00002 #define __XRDCKSCALCMD5_HH__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d C k s C a l c m d 5 . h h */ 00006 /* */ 00007 /* (c) 2011 by the Board of Trustees of the Leland Stanford, Jr., University */ 00008 /* All Rights Reserved */ 00009 /* Produced by Andrew Hanushevsky for Stanford University under contract */ 00010 /* DE-AC02-76-SFO0515 with the Department of Energy */ 00011 /* */ 00012 /* This file is part of the XRootD software suite. */ 00013 /* */ 00014 /* XRootD is free software: you can redistribute it and/or modify it under */ 00015 /* the terms of the GNU Lesser General Public License as published by the */ 00016 /* Free Software Foundation, either version 3 of the License, or (at your */ 00017 /* option) any later version. */ 00018 /* */ 00019 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ 00020 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ 00021 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ 00022 /* License for more details. */ 00023 /* */ 00024 /* You should have received a copy of the GNU Lesser General Public License */ 00025 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ 00026 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */ 00027 /* */ 00028 /* The copyright holder's institutional names and contributor's names may not */ 00029 /* be used to endorse or promote products derived from this software without */ 00030 /* specific prior written permission of the institution or contributor. */ 00031 /******************************************************************************/ 00032 00033 #include <stdio.h> 00034 00035 #include "XrdCks/XrdCksCalc.hh" 00036 00037 class XrdCksCalcmd5 : public XrdCksCalc 00038 { 00039 public: 00040 00041 char *Current() 00042 {MD5Context saveCTX = myContext; 00043 char *md5P = Final(); 00044 myContext = saveCTX; 00045 return (char *)md5P; 00046 } 00047 00048 void Init(); 00049 00050 XrdCksCalc *New() {return (XrdCksCalc *)new XrdCksCalcmd5;} 00051 00052 char *Final(); 00053 00054 void Update(const char *Buff, int BLen) 00055 {MD5Update((unsigned char *)Buff,(unsigned)BLen);} 00056 00057 const char *Type(int &csSz) {csSz = sizeof(myDigest); return "md5";} 00058 00059 XrdCksCalcmd5() {Init();} 00060 ~XrdCksCalcmd5() {} 00061 00062 private: 00063 00064 struct MD5Context 00065 {unsigned int buf[4]; 00066 union {long long b64; 00067 unsigned int bits[2]; 00068 }; 00069 union {long long i64[8]; 00070 unsigned char in[64]; 00071 }; 00072 }; 00073 00074 MD5Context myContext; 00075 unsigned char myDigest[16]; 00076 00077 void byteReverse(unsigned char *buf, unsigned longs); 00078 void MD5Update(unsigned char const *buf, unsigned int len); 00079 00080 #ifndef ASM_MD5 00081 void MD5Transform(unsigned int buf[4], unsigned int const in[16]); 00082 #endif 00083 }; 00084 #endif