====== SHA-1 cassé ======

  * http://kitenet.net/~joey/blog/entry/sha-1/

===== Migrer =====
  * http://debian-administration.org/users/dkg/weblog/48
    * http://www.aigarius.com/blog/2009/05/06/re-howto-prep-for-migration-off-of-sha-1-in-openpgp/