-- OpenSSL (http://www.openssl.org/) version 1.0.0 or later.
-- Libevent (http://monkey.org/~provos/libevent/)
+- OpenSSL (http://www.openssl.org/) version 1.0.0 or later, with support for
+ elliptic curve cryptography (ECC) and Galois counter mode (GCM) enabled.