量子时代

在archlinux上升级了ssh，然后出现了这个提示：

** WARNING: connection is not using a post-quantum key exchange algorithm.
** This session may be vulnerable to "store now, decrypt later" attacks.
** The server may need to be upgraded. See https://openssh.com/pq.html

看起来，ssh已经在开始推动使用抗量子加密了