Based on investigation and solution provided by cfu and jmagne,
the SecurityDataRecoveryService.serviceRequest() has been modified
to use EncryptionUnit.unwrap_temp() for key recovery via CLI in
FIPS mode.
The code in SecurityDataRecoveryService.serviceRequest() has been
reformatted for clarity.
https://fedorahosted.org/pki/ticket/2500
ACKed and tested by cfu and jmagne. Pushed to master.
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Endi S. Dewata