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Use -o instead of stdout redirect with paperkey

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Using -o makes sure that the file is created with 0600 permissions
instead of whatever the default umask setting is.

Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
This commit is contained in:
Konstantin Ryabitsev 2018-01-31 20:40:03 -05:00
parent 51be7788df
commit 51026930ef
No known key found for this signature in database
GPG key ID: 34BAB80AF9F247B8
2 changed files with 2 additions and 2 deletions
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2
kernel-developer-pgp-guide.md
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@ -275,7 +275,7 @@ Paperkey should already be packaged for most distributions.
Run the following command to create a hardcopy backup of your private key:
$ gpg --export-secret-key [fpr] | paperkey > /tmp/key-backup.txt
$ gpg --export-secret-key [fpr] | paperkey -o /tmp/key-backup.txt
Print out that file (or pipe the output straight to lpr), then take a pen and
write your passphrase on the margin of the paper. **This is strongly

2
protecting-code-integrity.md
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@ -390,7 +390,7 @@ all Linux distros, as well as installable via `brew install paperkey` on Macs.
Run the following command, replacing `[fpr]` with the full fingerprint of your
key:
$ gpg --export-secret-key [fpr] | paperkey > /tmp/key-backup.txt
$ gpg --export-secret-key [fpr] | paperkey -o /tmp/key-backup.txt
The output will be in a format that is easy to OCR or input by hand, should
you ever need to recover it. Print out that file, then take a pen and write