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 2017Dec 2018Dec 2019Dec 2020Dec 2021
3.3 100% 100% 100% 100% 100%
3.4 100% 100% 100% 100% 100%
3.5 99% 81% 81% 94% 95%
4.0 0% 20% 100% 100% 100%
4.1 100% 58% 69% 57% 51%
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