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)));
    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
-- 
_/\_
With Regards
SB Angel Warrior

Reply via email to