RE: Can Openssl still use a null cipher?

"'Michael Wojcik' via openssl-users" <[email protected]>
Newsgroups gmane.comp.encryption.openssl.user
Message-ID <SA1PR07MB976489659A7D39E3A509E020C0C32@SA1PR07MB9764.namprd07.prod.outlook.com>
> From: [email protected] <[email protected]> On Behalf Of Bryan Henderson
> Sent: Tuesday, 25 February, 2025 11:49

> I used to use the openssl program to demonstrate a client/server connection with no
> certificates (openssl s_server -nocert), using

>   $ openssl s_client -cipher AECDH-NULL-SHA ...

> on the client side.

Try "@SECLEVEL=0,AECDH-NULL-SHA" with the cipher list. A quick check with "openssl ciphers" (OpenSSL 3.0.8) suggests that should do what you want.

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Michael Wojcik
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