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A few months ago, one of my computers running Debian stable began to echo one asterisk per character at the prompt to unlock a luks encrypted disk. I resorted to wiping the drive and reinstalling Debian stable today, and it displayed the same problem. Do you have any suggestions on mitigating this problem?
p.H wrote:My latest buster installation on LUKS does not display asterisks when I type the passphrase.
Could it be because you have plymouth installed ?
Nope. And it occurred right after the reboot of Debian 10 installation barebone (with iwlwifi nonfree firmware).
My upgraded to buster does echo, and backspaces the echo..but it also changed to high res. I think my stretch doesn't echo. I find no setting to change it, interesting.
Try turning off the echo when you enter password by pressing TAB or BACKSPACE first, then passphrase.
CwF wrote:My upgraded to buster does echo, and backspaces the echo..but it also changed to high res. I think my stretch doesn't echo. I find no setting to change it, interesting.
Try turning off the echo when you enter password by pressing TAB or BACKSPACE first, then passphrase.
The closest thing I can find is for systemd-ask-password https://github.com/systemd/systemd/issues/8495. I don't understand what systemd-ask-password has to do with luks during boot up. I believe echoing password length strongly weakens the encryption, and should not be enabled as default. Also, I cannot untoggle the asterisks by pressing TAB or BACKSPACE first, but I will test that again. Out of my six Debian machines from stable to testing, only one echos the asterisks. Should I contact the mailing list?
could, but it seems the argument is well under way. I think the insecurity idea is flawed, do you type it with your hands covered? I think I'd rather have the feedback on a boot prompt, but generally agree the standard is no echo for passwords.
Did y'all ever find a fix for it? I noticed that on Stretch it never did that until I upgraded to Buster. I tried a clean install as well and I'm still having that issue. I don't why Debian decided out of nowhere to modify this great "Feature".
