...are the defaults for symmetric encryption in openpgp not considered safe anymore, ...
That would be AES. The traditional OpenPGP authenticated encryption (OCFB-MDC) is secure. There has been some widespread misunderstanding, I wrote a rambling editorial against the idea of superseding the block cipher mode:
That would be AES. The traditional OpenPGP authenticated encryption (OCFB-MDC) is secure. There has been some widespread misunderstanding, I wrote a rambling editorial against the idea of superseding the block cipher mode:
* https://articles.59.ca/doku.php?id=pgpfan:no_new_ae