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Hi Dale, |
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On Sun, Feb 03, 2019 at 11:47:35PM -0600 , Dale wrote: |
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> How do you, especially those who admin systems that are always being |
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> hacked at, generate strong passwords that meet the above? |
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I have a script for generating passwords the way I like (basically diceware on bash). |
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Something like: |
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FACTOR=$[ 2**(4*8)/$(cat "$WORDLIST"|wc -l) ] |
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cat "$WORDLIST" | head -n "$[ $(od -vAn -N4 -tu4 < /dev/random ) / $FACTOR ]" | tail -1 |
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I use this in conjunction with |
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https://github.com/dwyl/english-words/blob/master/words.txt |
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As far as I understand, if you have about 96 bits of entropy you are |
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golden. 256 bits is unbruteforceable (at least within the realms of |
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physics apparently). |
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5 words = 94 bits (which is good enough for me) |
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14 words = 256 bits (which seems like a lot of typing) |
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I also have a messy spreadsheet for checking passwords. |
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https://github.com/rjhwelsh/gpg-tutorial/blob/master/password_checker.ods |
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I provide no warranty for my working. ;) |
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-- |
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|
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Roger Welsh |
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fpr: 2FCB 9E31 EA77 CDEC A3AE 5DD7 D54C C777 553A 180D |
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