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Tagged “SSL”
51 posts
Another Sleeping Giant: Microsoft’s Root Program and the 1.1.1.1 Certificate Slip
September 3, 2025
7 min read
PKI & Certificates
Compliance & Audits
Why CP and CPSs Matter More Than You Think
June 4, 2025
5 min read
PKI & Certificates
Compliance & Audits
Exploring the Potential of Domain Control Notaries for MPDV in WebPKI
March 21, 2023
3 min read
PKI & Certificates
WebPKI, TLS, cross-signs, device compatibility, and TLS record size.
August 16, 2022
10 min read
PKI & Certificates
Why crawling is not an adequate measurement methodology for the WebPKI
August 2, 2022
1 min read
PKI & Certificates
What value can a third-party provide users when browsing the web?
June 10, 2018
3 min read
PKI & Certificates
Positive Trust Indicators and SSL
July 29, 2017
3 min read
PKI & Certificates
My thoughts on Let’s Encrypt
May 8, 2015
4 min read
PKI & Certificates
What are some upsides of googles’s SHA1 deprecation plan?
August 29, 2014
2 min read
PKI & Certificates
Cryptography & Keys
Why might you have a certificate with a SHA1 based signature in its chain that is valid beyond 2016/1/1?
August 28, 2014
3 min read
PKI & Certificates
Cryptography & Keys
What will Chrome’s SHA1 early warning look like?
August 28, 2014
1 min read
PKI & Certificates
Cryptography & Keys
What's in a certificate chain and why?
October 16, 2013
4 min read
PKI & Certificates
The (soon to be) not-so Common Name
August 14, 2013
4 min read
PKI & Certificates
Standards & Governance
Deploying SSL – Beyond the certificate and cipher suites
June 24, 2013
5 min read
PKI & Certificates
Security Practice
Deploying SSL – How to get your server configuration right
June 23, 2013
5 min read
PKI & Certificates
Security Practice
Example Nginx SSL / TLS configuration
May 29, 2013
2 min read
PKI & Certificates
Engineering & Code
Certificate-based Mozilla Persona IdP
April 10, 2013
7 min read
Identity & Authentication
PKI & Certificates
Is SSL Broken?
February 4, 2013
3 min read
PKI & Certificates
Security Practice
SSL 3.0 Usage in the Wild
December 5, 2012
3 min read
PKI & Certificates
Security Practice
How Facebook can avoid losing $100M in revenue when they switch to always-on SSL
November 29, 2012
3 min read
PKI & Certificates
Engineering & Code
Revocation checking, Chrome and CRLsets
November 1, 2012
2 min read
PKI & Certificates
A quick look at SSL performance
October 22, 2012
3 min read
PKI & Certificates
Engineering & Code
How to tell DV and OV certificates apart
September 11, 2012
3 min read
PKI & Certificates
Algorithms, key size and digital certificates
September 4, 2012
4 min read
Cryptography & Keys
PKI & Certificates
Standards & Governance
Using ECC keys in X509 certificates
August 16, 2012
2 min read
Cryptography & Keys
PKI & Certificates
Using SHA2 based signatures in X509 certificates
August 16, 2012
2 min read
Cryptography & Keys
PKI & Certificates
A revised look at the new Windows Update SSL configuration
June 24, 2012
1 min read
PKI & Certificates
Security Practice
Setting HTTP headers with OpenSSL and the OCSP test client
June 24, 2012
1 min read
PKI & Certificates
Engineering & Code
Pulse data publicly availible
June 18, 2012
1 min read
PKI & Certificates
A look at the new Windows Update SSL certificates
June 17, 2012
7 min read
PKI & Certificates
Security Practice
What is your organizations policy on SSL?
June 15, 2012
2 min read
PKI & Certificates
Standards & Governance
Redirecting HTTP to HTTPS in IIS
June 15, 2012
2 min read
Engineering & Code
PKI & Certificates
Was the Flame WSUS attack caused just because of the use of MD5?
June 13, 2012
2 min read
Cryptography & Keys
Security Practice
PKI & Certificates
Testing OCSP Stapling
June 13, 2012
1 min read
PKI & Certificates
Engineering & Code
OCSP Stapling in IIS
June 12, 2012
1 min read
PKI & Certificates
Engineering & Code
OCSP Stapling in Apache
June 12, 2012
2 min read
PKI & Certificates
Engineering & Code
The tale of two (Microsoft) PKIs
June 6, 2012
1 min read
PKI & Certificates
Security Practice
Getting beyond 1% -- How do we increase the use of SSL?
May 26, 2012
5 min read
PKI & Certificates
Lightning talk on the “Improving the Availability of Revocation Information” workshop.
May 23, 2012
1 min read
PKI & Certificates
Transcript for Panel on Third-Party Trust Providers and SSL Best Practices
May 18, 2012
1 min read
PKI & Certificates
Standards & Governance
Always On SSL (AOSSL) Whitepaper Published
April 24, 2012
1 min read
PKI & Certificates
Security Practice
My top PKI/TLS related issues in Firefox
April 20, 2012
1 min read
PKI & Certificates
Hard revocation checking and why it’s not here yet.
March 11, 2012
1 min read
PKI & Certificates
Using OpenSSL to create a test Qualified Subordination PKI hierarchy
March 3, 2012
1 min read
PKI & Certificates
Engineering & Code
Least Privilege and Subordinate Certificate Authorities
February 24, 2012
6 min read
PKI & Certificates
Security Practice
SSL/TLS Deployment Best Practices
February 24, 2012
1 min read
PKI & Certificates
Security Practice
How to clear the CryptNet cache in Windows 7
August 31, 2011
2 min read
PKI & Certificates
Engineering & Code
How to mitigate the risk of the DigiNotar *.google.com SSL certificate
August 27, 2011
3 min read
PKI & Certificates
Security Practice
How to clear the IE SSL Cache from JS
August 28, 2007
1 min read
PKI & Certificates
Engineering & Code
What is a wildcard certificate and why are they a bad idea?
August 17, 2007
3 min read
PKI & Certificates
Security Practice
Understanding Server Gated Cryptography
December 6, 2006
7 min read
PKI & Certificates
Cryptography & Keys