I'm probably missing something obvious but ... isn't this just (the moral equivalent of) ASN.1 (specifically BER[0])?[0] <a href="https://en.wikipedia.org/wiki/X.690#BER_encoding" rel="nofollow">https://en.wikipedia.org/wiki/X.690#BER_encoding
zimpenfish · · focus · HN ↗
[0] <a href="https://en.wikipedia.org/wiki/X.690#BER_encoding" rel="nofollow">https://en.wikipedia.org/wiki/X.690#BER_encoding