Search for person "Raphaël de Courville" returned 77 results

35 min

Learning cryptography through handcyphers

Shaping a digital future with ancient wisdom

• 35 min
• 2005-12-28
• 74
• Brenno de Winter
22C3: Private Investigations

49 min

Hacking Data Retention

How bureaucrats fail to fight terror

• 49 min
• 2005-12-27
• 20
• Brenno de Winter
22C3: Private Investigations