Description of problem:
Starting osad on a client registered to a FIPS enabled Satellite 5.6
generates the following traceback on server:

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 1142, in register_osad
    server = self.auth_system(system_id)
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnHandler.py", line 55, in auth_system
    server = rhnServer.get(system_id, load_user = self.load_user)
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/__init__.py", line 40, in get
    if not cert.valid():
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/server_certificate.py", line 209, in valid
    return self.__validate_checksum(secret)
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/server_certificate.py", line 184, in __validate_checksum
    csum = self.compute_checksum(secret)
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/server_certificate.py", line 124, in compute_checksum
    csum = Checksum(secret)
  File "/usr/lib/python2.6/site-packages/spacewalk/server/rhnServer/server_certificate.py", line 49, in __init__
    self.sum = hashlib.new('md5', secret)
  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 to your Satellite
3. Install & start osad on the client.

Actual results:
Above traceback.

Expected results:
osad works correctly.

Additional info:
N/A