20130326 - December 2013 will see the disappearance of 1024-bit keys
REMINDER: Since January 2011 it is not possible to order SSL certificates from 1024-bit keys anymore (see here). it is now mandatory to generate 2048-bit keys minimum for safety matters.
NIST and CA/B Forum specify that 1024-bit certificate must disappear as of January 1st 2014 at the latest.
Who's concerned?
1024-bit certificates issued before January 1st 2011 and expiring after December 31 2013.
There will be nothing particular to do for 1024-bit certificates expiring before January 2014. A 2048-bit CSR will be requested for the certificate renewal.
What will you have to do?
Concerned organizations will have to request their certificate free reissuance and provide 2048-bit keys. To do so, go on your certificate's status page and click the "request reissue" button.
Certificates that won't be reissued before the deadline will automatically be revoked without any possible recourse.
About Symantec, Thawte and Geotrust certificates
The Symantec group requires the replacement of that kind of certificate before September 30, 2013 at the latest.