build1 publisher
Three in four VAPID signatures return 401 until the DER wrapper comes off
A WordPress plugin author implemented Web Push against VAPID and ES256 in a few hundred lines of PHP with OpenSSL. The crypto took an afternoon; the week went to a missing 0x04 byte, a wrong JWT audience and DER-encoded signatures.
Publishers:dev.to
Reality
- Evidence62
- Adoption12
- Hype gap−8
- Incentives30
- Confidence58