Expand description
hP / hQ — standard base64 encode over the alphabet hI
captured at line 583 of the eT15wiaE init.js:
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=
Encoder matches = padding length per JS reference. We do not pull
the base64 crate so the cipher core stays dependency-free.