Keystore of IdP v3

[Peter Schober]

* Nanda Kumar <NKK at FISCHERINTERNATIONAL.COM> [2016-02-26 17:23]:
>   There is a keystore called sealer.jks that gets installed with IdP
>   v3 (credentials folder).  What type of keystore is this?  Does it
>   have a password?  The install doesn't prompt for a keystore
>   password.  Does it store the private keys of all the different IdP
>   public keys (signing key, encryption key, back channel key etc.)?
>   Trying to list the contents of the keystore with keytool gives
>   "Invalid keystore format" exception.

Does this help?
https://wiki.shibboleth.net/confluence/display/IDP30/SecretKeyManagement
-peter