def new_credentials():
identifier = binascii.b2a_hex(os.urandom(<NUM_LIT:8>)).decode().upper()<EOL>seed = binascii.b2a_hex(os.urandom(<NUM_LIT:32>))  <EOL>return identifier, seed<EOL>
Generate a new identifier and seed for authentication.

    Use the returned values in the following way:
    * The identifier shall be passed as username to SRPAuthHandler.step1
    * Seed shall be passed to SRPAuthHandler constructor