Which c++ free (none GPL) library to use if I like to encrypt text?

does crypto++ will be fine? i like to开发者_C百科 use public keys method

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Crypto++ is excellent and can handle public/private keys. Openssl is also excellent, non-GPL, but is really a C library. And Botan is another good choice, also non-GPL

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KeyCzar is extremely simple to use.

It offers a key management system as well as the most popular algorithms configured with secure defaults.

It is licensed under Apache License 2.0.