What algorithm does RCM used to sign the certificates?
2 years ago
Originally Published: 2009-01-08
Article Number
000065888
Applies To
RSA Certificate Manager 6.8
RSA Certificate Manager (RCM)
RSA Public Root Signing
Secure Hash Algorithm (SHA-1)
Message-Digest Algorithm (MD5)
Issue
What algorithm does RCM used to sign the certificates?
What algorithm does the RSA Root CA use?
Customer wants to know what algorithm used to sign the certificate?
Recent vulnerability reported for the MD5 algorithm
Web sites regarding MD5 vulnerability:

http://www.win.tue.nl/hashclash/rogue-ca/

http://www.rsa.com/blog/blog_entry.aspx?id=1411

http://broadcast.oreilly.com/2008/12/the-sky-is-not-falling-on-toda.html

Resolution
When a new CA certificate is created with RCM, by default the algorithm is set to use SHA1. This can be changed to use other algorithm if desired.