This is similar to another recent thread but since it was marked as solved I started a new topic.
I’m using ‘wget’ on Linux Mint 19.3 to download opus-32 bit.
The ‘–no-check-certificate’ does allow the download to work.
--2021-05-09 11:25:15-- https://downloads.digium.com/pub/telephony/codec_opus/asterisk-18.0/x86-32/codec_opus-18.0_current-x86_32.tar.gz
Resolving downloads.digium.com (downloads.digium.com)... 170.249.154.172
Connecting to downloads.digium.com (downloads.digium.com)|170.249.154.172|:443... connected.
ERROR: cannot verify downloads.digium.com's certificate, issued by 'CN=GeoTrust TLS DV RSA Mixed SHA256 2020 CA-1,O=DigiCert Inc,C=US':
Unable to locally verify the issuers' authority.
To connect to downloads.digium.com insecurely, use `--no-check-certificate'.