It looks very similar, but it think that’s mainly due to the TLV pattern they both use https://en.m.wikipedia.org/wiki/Type%E2%80%93length%E2%80%93value https:/

It looks very similar, but it think that’s mainly due to the TLV pattern they both use https://en.m.wikipedia.org/wiki/Type%E2%80%93length%E2%80%93value https://en.m.wikipedia.org/wiki/Type%E2%80%93length%E2%80%93... For some tags the file format deviates from the pattern. E.g VERS does not have a length field.