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Emergency restore v2/v3: hardcode MD5 algo for decryption

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QubesOS/qubes-issues#7852
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Rusty Bird 2022-11-04 14:12:43 +00:00
parent 5b2471f884
commit 682508f84d
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GPG Key ID: 469D78F47AAF2ADF
2 changed files with 3 additions and 3 deletions
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4
user/how-to-guides/backup-emergency-restore-v2.md
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@ -67,14 +67,14 @@ encrypted and compressed.
4. Decrypt the `private.img` file.
~~~
[user@restore vm1]$ openssl enc -d -pass pass:"$backup_pass" -aes-256-cbc -in private.img.000 -out private.img.dec.000
[user@restore vm1]$ openssl enc -d -md MD5 -pass pass:"$backup_pass" -aes-256-cbc -in private.img.000 -out private.img.dec.000
~~~
**Note:** For multi-part files, a loop can be used:
~~~
find -name 'private.img.*' | sort -V | while read f; do
openssl enc -d -pass pass:"$backup_pass" -aes-256-cbc -in $f -out
openssl enc -d -md MD5 -pass pass:"$backup_pass" -aes-256-cbc -in $f -out
${f/.img/.img.dec}
done
~~~

2
user/how-to-guides/backup-emergency-restore-v3.md
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@ -98,7 +98,7 @@ any GNU/Linux system with the following procedure.
6. Decrypt the `private.img` file.
[user@restore vm1]$ find -name 'private.img.*[0-9]' | sort -V | xargs cat | openssl enc -d -pass pass:"$backup_pass" -aes-256-cbc -out private.img.dec
[user@restore vm1]$ find -name 'private.img.*[0-9]' | sort -V | xargs cat | openssl enc -d -md MD5 -pass pass:"$backup_pass" -aes-256-cbc -out private.img.dec
**Note:** If your backup was encrypted with a cipher algorithm other than
`aes-256-cbc`, you must substitute the correct cipher command. This