Server Features » TLS Negotiated cipher » CHACHA20

TLS negotiated cipher: CHACHA20

Percentage of IRC SSL/TLS servers with cipher negotiated as CHACHA20. Showing percentages by IRC server software.

About this test result: ChaCha20-Poly1305 is a widely used secure encryption algorithm. It is said to provide similar security to well-known AES-256 but with better speed, especially on mobile devices. See also this cloudflare blog post for more information. It is one of the 3 ciphers used in TLSv1.3, the others being AES-128 and AES-256. It is also available in TLSv1.2 as an option.

Table

Percentage of IRC SSL/TLS servers with cipher negotiated as CHACHA20. Showing percentages by IRC server software.
Software Sep 2017Dec 2018
charybdis 0% 15%
Hybrid 0% 1%
UnrealIRCd 0% 19%
(Download JSON data sets)