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TLS-PSK and TLS-SRP support?

From: Witold Baryluk
Subject: TLS-PSK and TLS-SRP support?
Date: Tue, 15 Sep 2020 17:05:04 +0000


I love wget, but I can't find if it supports PSK or SRP protocols?
Underlying openssl supports them, and it would be nice to use it with
wget when, especially when using TLS v1.2 and TLS v1.3.

I am mostly interested in PSK, but SRP support would be also very
useful. I do have a HTTP server that do use TLS v1.3 (and 1.2), and
uses PSK for mutual authentication and encryption. I verified it is
working using various tools and code, but it can't be easily used
using generic tools like wget.  There is work in curl to add support
for PSK too.

If it is supported, (maybe using --ciphers option), it seems not
documented. At least I don't see ways to provide psk or parameters to
srp parts. (as far as I know, this can't be provided via
--private-key). Option to provide a password on the command line, or
via an ASCII, binary or hex file would be the best. (to not leak
password via /proc/*/cmdline).

Thank you!

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