openssl FIPS mode

[Timothy J. Ebben]

Alan Dekok wrote:
>  Don't enable FIPS mode.  The RADIUS protocol uses MD5.  MS-CHAP uses MD4.

Thank you for your advice.  I was misled by an out-of-date reference.  According to the following link, FreeRADIUS can be used with FIPS mode:
https://networkradius.com/articles/2020/10/28/freeradius-fips.html

Specifically:
> FreeRADIUS just passes a special flag EVP_MD_CTX_FLAG_NON_FIPS_ALLOW to the OpenSSL APIs!

Unfortunately, that flag has no effect in openssl version 3.  Perhaps the above documentation could be updated.