RSA Key Blocking is Coming

JMH · Jul 25, 2012

Hey all, Ned here again with one of my rare public service announcement posts:

In August 2012, Microsoft will issue a critical security update for Windows XP, Windows Server 2003, Windows Server 2003 R2, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2. The update will block the use of RSA cryptographic keys that are less than 1024 bits.

To understand what all this means, why we are doing this, and how to determine your current certificate usage, check out:

RSA keys under 1024 bits are blocked

Blocking RSA Keys less than 1024 bits (part 2)

(and a third post from Kurt after this update releases, for troubleshooting and whatnot)

http://blogs.technet.com/b/askds/archive/2012/07/16/rsa-key-blocking-is-coming.aspx

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RSA Key Blocking is Coming

JMH

Emeritus, Contributor