How Cloudflare CTO John Graham-Cumming cracked an encrypted ZIP file containing the code for a system that helped ANC members communicate safely under apartheid (Steven Levy/Wired)

Steven Levy / Wired: How Cloudflare CTO John Graham-Cumming cracked an encrypted ZIP file containing the code for a system that helped ANC members communicate safely under apartheid  —  John Graham-Cumming, who happens to be Cloudflare's CTO, cracked a 30-year-old encrypted file that had a role in rewriting South Africa's history.