More generally, if you're creating anything involving security, avoid XML like the plague because mixing the control and data planes, which in turn contain executable content/instructions and data, together in a random jumble is the gift to hackers that just keeps on giving.
HelloNurse · · focus · HN ↗
The committee had, at the very least, ASN.1. Not text, but any digital signature scheme has to be machine readable, not human readable.
pseudohadamard · · focus · HN ↗