Server Features » TLS Key exchange group » P-384

TLS Key exchange group: P-384

Percentage of IRC SSL/TLS servers with key exchange Elliptic Curve Diffie-Hellman (ECDH) using P-384 (secp384r1).
Showing percentages by IRC server software.

About this test result: Elliptic Curve Diffie-Hellman (ECDH) using P-384 curve (also called secp384r1).
This ECDH with classic cryptography is widely used today. However, it is not a PQC algorithm, so is vulnerable to Harvest now, decrypt later.

Table

Percentage of IRC SSL/TLS servers with key exchange Elliptic Curve Diffie-Hellman (ECDH) using P-384 (secp384r1).
Showing percentages by IRC server software.
Software Dec 2025
charybdis 9%
InspIRCd 7%
ngircd 1%
Solanum 1%
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