Description of problem:
Registration of a RHEL client to a FIPS enabled Satellite fails
with the following server-side exception:

Exception Handler Information
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/spacewalk/server/apacheRequest.py", line 123, in call_function
    response = apply(func, params)
  File "/usr/share/rhn/server/handlers/xmlrpc/registration.py", line 504, in new_system
    architecture, data)
  File "/usr/share/rhn/server/handlers/xmlrpc/registration.py", line 431, in create_system
    newserv.save(1, channel)
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/server_class.py", line 573, in save
    self.__save(channel)
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/server_class.py", line 498, in __save
    self.gen_secret()
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/server_class.py", line 455, in gen_secret
    self.server["secret"] = gen_secret()
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/server_certificate.py", line 35, in gen_secret
    sum = hashlib.new('md5', seed)
  File "/usr/lib64/python2.6/hashlib.py", line 83, in __hash_new
    return _hashlib.new(name, string, usedforsecurity)
ValueError: error:060800A3:digital envelope routines:EVP_DigestInit_ex:disabled for fips


Version-Release number of selected component (if applicable):
Satellite 5.6

How reproducible:
Always

Steps to Reproduce:
1. Install Satellite 5.6 on a FIPS enabled RHEL system
2. Register a client system to your Satellite

Actual results:
Above exception

Expected results:
No errors, registration succeeds.

Additional info:
N/A