extern unsafe static /* OSStatus */ SslStatus SSLSetEnabledCiphers(/* SSLContextRef */ IntPtr context, SslCipherSuite *ciphers, /* size_t */ IntPtr numCiphers);
extern unsafe static /* OSStatus */ SslStatus SSLGetSupportedCiphers(/* SSLContextRef */ IntPtr context, SslCipherSuite *ciphers, /* size_t* */ ref IntPtr numCiphers);