From b476dc37b54f0a6b2d1a0d63ffafda816a457a92 Mon Sep 17 00:00:00 2001 From: drduh Date: Mon, 26 Dec 2022 11:20:03 -0800 Subject: [PATCH] mention KO attacks --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index 9bfb79f..d170c35 100644 --- a/README.md +++ b/README.md @@ -1183,6 +1183,8 @@ Once keys are moved to YubiKey, they cannot be moved again! Create an **encrypte As an additional backup measure, consider using a [paper copy](https://www.jabberwocky.com/software/paperkey/) of the keys. The [Linux Kernel Maintainer PGP Guide](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html#back-up-your-master-key-for-disaster-recovery) points out that such printouts *are still password-protected*. It recommends to *write the password on the paper*, since it will be unlikely that you remember the original key password that was used when the paper backup was created. Obviously, you need a really good place to keep such a printout. +It is strongly recommended to keep even encrypted OpenPGP private key material offline to deter [key overwriting attacks](https://www.kopenpgp.com/), for example. + **Linux** Attach another external storage device and check its label: