DEF CON 13 - Philip R. Zimmermann, The Unveiling of My Next Big Project: ZPhone
▶DEF CON 13 - Philip R. Zimmermann, The Unveiling of My Next Big Project: ZPhone — a 2005 DEF CON security conference talk on crypto (52:42 min). Watch the full video, indexed free on the Breach Arc Archive.
▶ Watch video on YouTube