Recently opened in New York, the High Line is a unique new public park as it isn’t at ground level, but elevated on the former freight railroad spur called the West Side Line. The park covers 2.33 km (1.45 miles) along 10th Avenue from West 30th Street in the North to Gansevoort Street in the South.
The openssl application that ships with the OpenSSL libraries can perform a wide range of crypto operations. This HOWTO provides some cookbook-style recipes for using it.