Quote Originally Posted by vermarajeev View Post
What is the procedure to include crypto++ library to my project???
Add:
INCLUDEPATH += <path to crypto++ includes>
LIBS += -L<path to crypto++ lib directory> -lcrypto++
to your .pro file.

Quote Originally Posted by vermarajeev View Post
what algorithm is the best provided by crypto++ for the above scenario???
AES256 will be enough for you.

Quote Originally Posted by vermarajeev View Post
In the Links section there is something called
Libraries->Qt Cryptographic Architecture. Can this help me to achieve what
crypto++ provides...If yes please let me know how I can achieve that in my Qt
application
QCA integrates with Qt more easily and depending on the plugins it can support many different algorithms. Choose the library that fits you better.