PasswordData blob required size estimation in User Store

Products

• CA Single Sign On Secure Proxy Server (SiteMinder)
• CA Single Sign On SOA Security Manager (SiteMinder)
• CA Single Sign-On
• SITEMINDER

Issue/Introduction

 

How to estimate the size (in bytes) required for the PasswordData blob?

 

Resolution

 

The PasswordData blob can contain up to 32 history passwords.

It also contains:

•   Login failures
•   Last login time
•   Previous login time
•   Disabled time
•   Last password change time

Each of them takes up to 1024 bytes.

Therefore the number of passwords to keep in the history should be multiplied by 1024, then add a buffer of a few more kilobytes.

So it makes 32.768 bytes + buffer. The PasswordData blob should have a max size of 40kB.