| Name | Lines of code | Maintainability | Test coverage |
| tlslite/utils/python_tripledes.py | 333 | D 2 days | A 97% |
| tlslite/utils/rc4.py | 13 | A 0 mins | C 75% |
| tlslite/utils/rijndael.py | 1,029 | F 1 mo | B 87% |
| tlslite/utils/rsakey.py | 491 | D 2 days | A 92% |
| tlslite/utils/tackwrapper.py | 7 | A 0 mins | F 57% |
| tlslite/utils/tlshashlib.py | 15 | A 0 mins | A 100% |
| tlslite/utils/tlshmac.py | 70 | A 1 hr | F 16% |
| tlslite/utils/tripledes.py | 18 | A 0 mins | B 82% |
| tlslite/utils/x25519.py | 91 | A 35 mins | A 100% |
| tlslite/verifierdb.py | 80 | A 0 mins | B 82% |
| tlslite/x509.py | 200 | B 5 hrs | A 90% |
| tlslite/x509certchain.py | 84 | A 1 hr | D 63% |