Which RSA Key Exchange or/and RSA Signature algorithms do Openssl 1.1.1 use for ciphers AES256-GCM-SHA384 and ECDHE-RSA-CAMELLIA128-SHA256? Thanks.
Viktor Dukhovni
openssl-users at dukhovni.org
Tue Aug 15 21:23:46 UTC 2023
On Tue, Aug 15, 2023 at 06:47:36PM +0000, Ma Zhenhua wrote:
> I know that both key exchange and authenticate methods of
> AES256-GCM-SHA384 is RSA, the authentication method of
> ECDHE-RSA-CAMELLIA128-SHA256 is RSA.
>
> I'm using 1_1_1_stable branch and would like to figure out which RSA
> key exchange or/and RSA signature algorithm 1_1_1_stable is using for
> ciphers AES256-GCM-SHA384 and ECDHE-RSA-CAMELLIA128-SHA256. Thanks in
> advance.
RSA key exchange is defined in RFC2246:
https://datatracker.ietf.org/doc/html/rfc2246#section-7.4.7.1
https://datatracker.ietf.org/doc/html/rfc2246#section-8.1.1
> RSA-PKCS#1 v1.5
This is of course independent of the OpenSSL version, and indeed of
OpenSSL, since it is a matter of TLS protocol interoperability and needs
to be compatible across all TLS 1.0–1.2 implementations.
--
Viktor.
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