Second link was hanging, for me. For convenience: http://web.archive.org/web/20131205072701/http://www.cs.auckland.ac.nz/~pgut001/pubs/x509guide.txt http://we

Second link was hanging, for me. For convenience: http://web.archive.org/web/20131205072701/http://www.cs.auckland.ac.nz/~pgut001/pubs/x509guide.txt http://web.archive.org/web/20131205072701/http://www.cs.auck...