botan: botan (C++ crypto library) botan: botan: Botan is a BSD-licensed crypto library for C++. It provides botan: applications with the ability to use a number of cryptographic botan: algorithms, as well as SSL/TLS, X.509 certificates and CRLs, PKCS botan: #10 certificate requests, a filter/pipe message processing system, botan: and a wide variety of other features. botan: botan: botan: botan: