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)... 126.96.36.199 Connecting to downloads.digium.com (downloads.digium.com)|188.8.131.52|: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'.