|
From: | Dmitry |
Subject: | [bug #59408] cryptomount: very slow PBKDF2 master key decryption |
Date: | Tue, 3 Nov 2020 11:05:34 -0500 (EST) |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:82.0) Gecko/20100101 Firefox/82.0 |
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: reagentoo@gmail.com Open/Closed: Open Release: Release: Git master Discussion Lock: Any Reproducibility: None Planned Release: None _______________________________________________________ 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 _______________________________________________________ Reply to this item at: <https://savannah.gnu.org/bugs/?59408> _______________________________________________ Сообщение отправлено по Savannah https://savannah.gnu.org/
[Prev in Thread] | Current Thread | [Next in Thread] |