URL:
<https://savannah.gnu.org/bugs/?59408>
Summary: cryptomount: very slow PBKDF2 master key decryption
Project: GNU GRUB
Submitted by: reagentoo
Submitted on: Вт 03 ноя 2020 16:05:32
Category: Disk & Partition
Severity: Major
Priority: 5 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name: Dmitry
Originator Email: [email protected]
Open/Closed: Open
Release:
Release: Git master
Discussion Lock: Any
Reproducibility: None
Planned Release: None
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Details:
Currently the Grub's cryptomount is not usable for long keys.
The waiting time for decryption increases greatly when using keys from 1
kilobyte and above.
grub_crypto_pbkdf2 function is the entry point into long wait:
https://git.savannah.gnu.org/cgit/grub.git/tree/grub-core/disk/luks2.c?id=d7cac52eb21b866ffec66dc8d1319cc0695c94ee#n453
Related links:
https://lists.gnu.org/archive/html/grub-devel/2016-10/msg00018.html
https://lists.gnu.org/archive/html/grub-devel/2018-01/msg00026.html
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Reply to this item at:
<https://savannah.gnu.org/bugs/?59408>
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