[Development] Playground: Crypto module

[Ruslan Nigmatullin]

Hi all,

With Qt5 there are no Qt-based cryptographic interfaces now. There was an QCA for Qt3/Qt4, but it had over-engineered interface and a lot of bugs. So I would like to start Crypto module for Qt5 with convience crypto-methods (Qt-based wrappers for TLS/SSL encryption, SASL, AES/etc encryption, SHA/HMAC hashing, etc) and nice Qt-style API. It's proposed to use appropriate libraries like OpenSSL/cyrus-sasl/gnugp/etc.

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Ruslan Nigmatullin