CODEWITHSUNDEEP
c++qtencryptionqt4
Berschi
Berschi

Reputation: 2655

How to encrypt and decrypt a file with Qt/C++?

I want to create a program, which can encrypt and decrypt a complete file with an individual password. Is there any way to manage this in Qt and/or C++ and how?

Upvotes: 11

Views: 23672

Answers (5)

Parker Coates
Parker Coates

Reputation: 9398

I've never used it myself, but I've heard great things about QCA. It's cross platform, uses a Qt-style API and Qt datatypes.

Upvotes: 21

Manjeet Dahiya
Manjeet Dahiya

Reputation: 505

Qt doesn't provide functionality to encrypt/decrypt.

QCryptographicHash only generates hashes. It is not what you are looking for.

Upvotes: 3

Jake Petroules
Jake Petroules

Reputation: 24140

Old, I know, but try Botan. It's actually used internally by Qt Creator 2.0. If you download the Qt Creator 2.0 sources you can find a copy of Botan 1.8.8 all set up for the Qt build system (qmake).

Upvotes: 6

Kristoffon
Kristoffon

Reputation: 642

www.cryptopp.com is a very complete C++ library with implementations of most algorithms.

The actual program (select file, read, obtain key, encrypt etc) should be piece of cake.

Upvotes: 11

John Calsbeek
John Calsbeek

Reputation: 36497

Neither Qt nor the C++ standard library have encryption built-in. You'll need another external library to handle encryption.

Upvotes: 5

Related Questions