Educause Security Discussion mailing list archives

Deprecation of SSL Certificates Using SHA-1


From: Roger A Safian <r-safian () NORTHWESTERN EDU>
Date: Fri, 10 Oct 2014 15:11:26 +0000


Hello everyone.  I don't know if you have been following the news about the plans browser providers have for 
deprecating SSL certificates that use the SHA-1 cryptographic hash, but I would be interested to hear what you all are 
doing with respect to replacing your SHA-1 certificates with SHA-2 certificates.  Google (Chrome) has an ambitious plan 
already underway to progressively display more and more dire warning signs in their address bar.  Their plan started to 
unfold in September and will culminate in January with release 41.  Internet Explorer and Firefox are taking a slower 
approach starting in January 2016 and Safari is still trying to decide what to do. 

Google's statement is at:
http://googleonlinesecurity.blogspot.com/2014/09/gradually-sunsetting-sha-1.html

Any feedback on what your institutions are doing would be appreciated.



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