Earlier quoted context omitted.
The thing is, GPG is not bollocks. Barring a major unforeseen discovery, RSA cryptography will easily stand up to five years' retention. If you're worried, use a long keylength. I've been using 4096-bit keys for over a year now and there's no noticeable performance hit for regular comms on my computer. On my phone, 4096 is noticeably slower than 2048, but it still works fine (probably about a 5-10 sec operation to de…
The longest key in the world won't protect you from a FISA warrent.
A FISA warrant doesn't magically render RSA invalid. If all your comms are encrypted, they can get whatever warrants they want, and they still won't be able to read your information unless you surrender your passphrase and key.