Server Features » TLS Negotiated cipher » AES-256 » charybdis
TLS negotiated cipher: AES-256
Percentage of IRC SSL/TLS servers with cipher negotiated as AES-256 cipher. Showing percentages for charybdis servers only.About this test result: AES-256 (Advanced Encryption Standard) is a widely used secure encryption algorithm.
Note on statistics: there is a difference in the gathering of TLS servers between 2017-2019 and 2020-onwards, see SSL/TLS statistics on the data page.
Table
Percentage of IRC SSL/TLS servers with cipher negotiated as AES-256 cipher. Showing percentages for charybdis servers only.| Version | Sep 2017 | Dec 2018 | Dec 2019 | Dec 2020 | Dec 2021 | Dec 2022 | Dec 2023 |
|---|---|---|---|---|---|---|---|
| 3.3 | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 3.4 | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 3.5 | 99% | 81% | 81% | 94% | 95% | 95% | 92% |
| 4.0 | 0% | 20% | 100% | 100% | 100% | 100% | 100% |
| 4.1 | 100% | 58% | 69% | 57% | 51% | 54% | 50% |