code: def create_key(policy=None, description=None, key_usage=None, region=None,
                 key=None, keyid=None, profile=None):
      '''
      Creates a master key.
  
      CLI example::
  
          salt myminion boto_kms.create_key '{"Statement":...}' "My master key"
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
  
      r = {}
      _policy = salt.serializers.json.serialize(policy)
      try:
          key_metadata = conn.create_key(
              _policy,
              description=description,
              key_usage=key_usage
          )
          r['key_metadata'] = key_metadata['KeyMetadata']
      except boto.exception.BotoServerError as e:
          r['error'] = __utils__['boto.get_error'](e)
      return f create_key(policy=None, description=None, key_usage=None, region=None,
                 key=None, keyid=None, profile=None):
      '''
      Creates a master key.
  
      CLI example::
  
          salt myminion boto_kms.create_key '{"Statement":...}' "My master key"
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
  
      r = {}
      _policy = salt.serializers.json.serialize(policy)
      try:
          key_metadata = conn.create_key(
              _policy,
              description=description,
              key_usage=key_usage
          )
          r['key_metadata'] = key_metadata['KeyMetadata']
      except boto.exception.BotoServerError as e:
          r['error'] = __utils__['boto.get_error'](e)
      return r
docs: Creates a master key.
  
      CLI example::
  
          salt myminion boto_kms.create_key '{"Statement":...}' "My master key"