Allow RSA 2048 and 4096 bit keys

[link2xt]

Just for reference, here is an old thread with a request for ECC support:

Pgp key format, strength

Delta Chat version 0.510.1 This is probably a very general question. I didn’t find any information about pgp-key format and strength limitiations. Yesterday I tried to change to strengthen the key and tested several private/public-key combinations: ecc/ecc Curve 25519/256 rsa/rsa 4096/4096 rsa/rsa 4096/3072 rsa/rsa 3072/3072 The keys were created on the command line by gpg --expert --full-generate-key (no password or username, just an email-address). Afterwards I export priv…