This check checks if the CSR's name contains a field with no value. For example, the CSR Decoder would issue a warning about the name given below because the locality field is present, but has no value.
CN=www.acme.com, O=acme, L=, C=gb
The reason for this warning is that some CAs may reject CSRs that contain fields with empty values.
Checks for weak RSA keys generated by Debian-based
systems.
In May 2008, the Debian team announced that Luciano Bello
had discovered a vulnerabilty in the
Debian OpenSSL package. The impact was that all SSL and SSH
keys generated on Debian-based systems (including Ubuntu)
released between September 2006 and May 13th 2008 may be affected.
The Debian Security Team disclosed
this vulnerability in
Debian Security Advisory 1571.
The best resource on this vulnerability is the
Debian Wiki.
We have also written about this in our
CSR FAQ.
NIST recommends a minimum RSA key size of 2048-bits
after 31 December 2010.
For a number of years now many prominent voices in the security
community have suggested a move away from 1024-bit RSA key lengths by the end of 2010. In Special Publication 800-57 NIST recommends that 1024-bit RSA keys only be used to protect data until 2010. In 2003, RSA Labs published a document that recommended 1024-bit RSA keys should not be used to protect data with a lifetime beyond 2010.This check warns you if the RSA key size is less than 2048 bits
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