| Function | getInvalidAuthType | Helper method to produce an auth type that doesn't exist. | 
| Class | PublicAPITests | No class docstring; 2/2 methods documented | 
| Class | StrcredFunctionsTests | No class docstring; 2/2 methods documented | 
| Class | MemoryCheckerTests | No class docstring; 5/6 methods documented | 
| Class | AnonymousCheckerTests | No class docstring; 2/2 methods documented | 
| Class | UnixCheckerTests | No class docstring; 7/9 methods documented | 
| Class | CryptTests | crypthas functions for encrypting password. | 
| Class | FileDBCheckerTests | --auth=file:...file checker. | 
| Class | SSHCheckerTests | Tests for the --auth=sshkey:...checker.  The majority of 
the tests for the ssh public key database checker are intwisted.conch.test.test_checkers.SSHPublicKeyCheckerTestCase. | 
| Class | DummyOptions | Simple options for testing strcred.AuthOptionMixin. | 
| Class | CheckerOptionsTests | No class docstring; 8/8 methods documented | 
| Class | OptionsForUsernamePassword | Undocumented | 
| Class | OptionsForUsernameHashedPassword | Undocumented | 
| Class | OptionsSupportsAllInterfaces | Undocumented | 
| Class | OptionsSupportsNoInterfaces | Undocumented | 
| Class | LimitingInterfacesTests | No summary |