[JIRA] (IDP-2059) Property to set AES key size setting for the Data Sealer Key Store

[Vlad Mencl (Jira)]

Vlad Mencl ( https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A9e33c654-fa34-43c9-a1c1-fcc1c32d3528 ) *commented* on IDP-2059 ( https://shibboleth.atlassian.net/browse/IDP-2059?atlOrigin=eyJpIjoiNzkwMWI2YWM4NGNlNDUxOTgwZjcwOWJiYjgzYTBhNTMiLCJwIjoiaiJ9 )

Re: Property to set AES key size setting for the Data Sealer Key Store ( https://shibboleth.atlassian.net/browse/IDP-2059?atlOrigin=eyJpIjoiNzkwMWI2YWM4NGNlNDUxOTgwZjcwOWJiYjgzYTBhNTMiLCJwIjoiaiJ9 )

Hi Rod Widdowson ( https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=59fb32bbc24efb3c4ed3c977 ) ,

Thanks for looking into this!

I believe these are isolated from each other. The idp.keysize property is about RSA key sizes - while my request (dropped as a comment in https://shibboleth.atlassian.net/browse/IDP-2056 ) was about the AES key sizes used by the DataSealer.

The installer task generateSealer invokes the changeKey() method on net.shibboleth.utilities.java.support.security.BasicKeystoreKeyStrategyTool , which maintains its own key settings (for the generated AES key).

And the AES key size defaults to 128 (in net.shibboleth.utilities.java.support.security.BasicKeystoreKeyStrategyTool.CommandLineArgs - and while it could be overridden via a setKeySize, the installer ( V4Install.generateSealer ) does not expose that - and that’s what my request was about.

The bottom line is: AES key sizes are separate from RSA key sizes - and are restricted to "128, 192 or 256" ).

Hope this clarifies it.

Cheers,
Vlad

( https://shibboleth.atlassian.net/browse/IDP-2059#add-comment?atlOrigin=eyJpIjoiNzkwMWI2YWM4NGNlNDUxOTgwZjcwOWJiYjgzYTBhNTMiLCJwIjoiaiJ9 ) Add Comment ( https://shibboleth.atlassian.net/browse/IDP-2059#add-comment?atlOrigin=eyJpIjoiNzkwMWI2YWM4NGNlNDUxOTgwZjcwOWJiYjgzYTBhNTMiLCJwIjoiaiJ9 )

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