On Mon April 27 2009, Michael S. Zick wrote:
>
I put my comment on the wrong line of code - but you get the idea. ;)
> On Mon April 27 2009, AngelWarrior wrote:
> > I have a file containing 549 bytes of data. When I try to encrypt the data,I
> > get only a partial encrypted data in the range of 113 to 140 bytes in
> > different runs.When I decrypt the data I get the partial data.
> >
> > This is a QT application OpenSSL 0.9.8j windows
> >
> > int main(int argc, char** argv )
> > {
> >
> > QApplication app(argc , argv);
> > QFile inputfile("input.xml");
> > stin.open(stdin ,QIODevice::ReadOnly);
> > stout.open(stdout,QIODevice::WriteOnly);
> >
> > outLine("Enter key\n");
> > QString key=readIn();
> > inputfile.open(QIODevice::ReadOnly);
> > QByteArray temp = inputfile.readAll();
> > BF_KEY ks;
> > BF_set_key( &ks, key.length(), (const unsigned
> > char*)(key.toAscii().data()));
> >
> > char ivec[8];
> > memset(ivec,0,8);
> > int num=0;
> >
> > char *out = new char[temp.length()];
> >
> > BF_cfb64_encrypt((unsigned char*)temp.data(), (unsigned char*)(out),
> > (unsigned long)temp.length(), &ks, (unsigned char*)ivec, &num,
> > BF_ENCRYPT );
> >
> >
> > outLine("Encrypted Data\n");
> > outLine("-----------------------------------------------\n");
> > outLine(QString().sprintf("Encrypt length = %d\n",strlen(out)));
> > outLine(QString(out));
> > outLine("\n");
> >
> > readIn();
> >
> > QFile outputfile("output.xml");
> > outputfile.open(QIODevice::WriteOnly);
> > outputfile.write(out,strlen(out));
> >
> >
> > QByteArray entemp(out);
> > memset(out,0,temp.length());
> > memset(ivec,0,8);
> > num=0;
> > //out = new char[entemp.length()];
> >
> > BF_cfb64_encrypt((unsigned char*)entemp.data(), (unsigned char*)(out),
> > (long)entemp.length(), &ks, (unsigned char*)ivec, &num,
> > BF_DECRYPT );
> >
> > outLine("Decrypted Data\n");
> > outLine("-----------------------------------------------\n");
> > outLine(QString().sprintf("Decrypt length = %d\n",strlen(out)));
>
> Encrypted data != C-string format; \0 is a legal data value, not a string
> terminator.
>
> > outLine(QString(out));
> > }
> >
> > --------------------------------------------------------
> > Enter key
> > temp
> > Encrypted Data
> > -----------------------------------------------
> > Encrypt length = 180
> > ?ƒ6i[y╔╒⌂+ñßh÷≥┴W¿┼XE╕û─ºæ▓iÜ║↑┴K♦8)zⁿö♠j⌐┤▐⌡ë┐FMG╡^δå,♀p[⌐«╥∞Aεën
> > u%↑&Aƒ╖½1Φ║÷;α┘╦▬á▼]q{ █}╕9b▌$Åp╗▐D½k?ε/ôH(☺ªuÑ↓ñ╖¿jåHV┘¥zεφ│wc
> > ╙l■d▲▀¿úu1╜iPα
> >
> > Decrypted Data
> > -----------------------------------------------
> > Decrypt length = 180
> > <input>
> > <name>hello how are you doing</name>
> > <sunday>yes</sunday>
> > <monday>no</monday>
> > <tuesday>no</tuesday>
> > <wednesday>no</wednesday>
> > <thursday>no</thursday>
> > <friday>no</fri
>
>
> ______________________________________________________________________
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>
>
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