Yea. Don’t post stuff like this to knd1.

Also… this console log is not too helpful, without seeing the code that logged it. 

MHO:
If you are “hand rolling” an encryption /decryption solution … don’t bother. Use a well made and proven library for this, like NDK or nostr-tools :

https://github.com/nostr-dev-kit/ndk
https://github.com/nbd-wtf/nostr-tools