Qt Cryptographic Architecture

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1.0 / 2.0.0 Beta 4 GPL (GNU General Public License)    
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Qt Cryptographic Architecture aims to provide a straightforward and cross-platform crypto API.

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Taking a hint from the similarly-named Java Cryptography Architecture, Qt Cryptographic Architecture (QCA for short) aims to provide a straightforward and cross-platform crypto API, using Qt datatypes and conventions. QCA separates the API from the implementation, using plugins known as Providers.

The advantage of this model is to allow applications to avoid linking to or explicitly depending on any particular cryptographic library. This allows one to easily change or upgrade crypto implementations without even needing to recompile the application! QCA should work everywhere Qt does, including Windows/Unix/MacOSX.

Here are some key features of "Qt Cryptographic Architecture":

· SSL/TLS
· X509
· SASL
· RSA
· Hashing (SHA1, MD5)
· Ciphers (Blowfish, 3DES, AES)

How does it work?

The application simply includes qca.h and links to libqca, which provides the ‘wrapper API’ and plugin loader. Crypto functionality is determined during runtime, and plugins are loaded from the ‘crypto’ subfolder of the Qt Library Paths.
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Last updated on September 25th, 2007

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