Blog Entries Modern Symmetric Encryption - BSides 2020 Talk 2020-07-18 ECC Keys (Part 2) 2018-08-08 ECC keys (Part 1) 2017-04-10 OS X Keychain Key Export Authentication Bypass 2016-01-08 PGP ASCII Art 2015-07-06 PGP Poster - cem 2015-06-21 Certificate Binary Posters - All 2015-05-05 Certificate Binary Posters (p7 CRL/OCSP) 2015-04-02 Certificate Binary Posters (p6 PKCS#12) 2015-03-15 Certificate Binary Posters (p5 PKCS#7) 2015-03-01 Certificate Binary Posters (p4 x.509) 2015-02-09 Certificate Binary Posters (p3 PKCS#10) 2015-01-21 Certificate Binary Posters (p2 PKCS #8) 2015-01-04 Certificate Binary Posters (p1 PKCS #1) 2014-12-21 HTTP DANE Validation Assertion 2014-12-03 iOS 8.1 and CVE-2014-4449 2014-10-20 TLS Quotes 2014-10-19 [Not?] Misissued Certificates: 2014-04-03 Bug in Chrome security feature can fill up your hard drive & crash the browser 2014-02-20 Training Users to Be More Secure 2013-10-28 Windows 8 and Bluetooth 2013-01-02 Certificate Pinning 2012-12-01 Recovering Data from an iMac to HFS+ via an Ubuntu Live Disk 2012-07-28 Papers 2012-07-19 Certificate Authorities, the problem is in the app 2011-11-19 Information Security Awareness Month 2011-10-04 l33t google of the week 2011-07-17 Google search of the week 2011-07-01 cron Monitoring for IP Address Changes and SMSing via Google Voice 2010-08-13 Google Voice and The Linux Command Line 2010-08-13