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Notes on length and validation problems

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Ian Gulliver
2018-12-06 06:20:04 +00:00
parent 1326f31ab7
commit 68f3b54aa5
1 changed files with 10 additions and 1 deletions
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11
notes/strength.txt
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@@ -1,26 +1,35 @@
# Gibberish
# This is our entropy target
# 8 characters
[A-Z][a-z][0-9] * 8
26 + 26 + 10 = 62
62 ^ 8 = 2.1E14
# Gibberish, visually distinct
# 8 characters
([A-Z][a-z][0-9] - [IOlo01]) * 8
26 + 26 + 10 - 6 = 56
56 ^ 8 = 9.6E13
# Readable
# <= 32 characters
# Validation failures: too long, no numbers
5776 words * 4
5776 ^ 4 = 1.1E15
# Readable + numbers
# <= 27 characters
# Validation failures: too long
(5776 words * 3) + ([0-9] * 3)
(5776 ^ 3) * (10 ^ 3) = 1.9E14
# Readable + visually clear numbers
# <= 27 characters
# Validation failures: too long
(5776 words * 3) + ([0-9] - [01] * 3)
(5776 ^ 3) * (8 ^ 3) = 9.8E13
# Pronounceable
(([BCDFGHJKMNPQRSTVWXYZ] + [AEU]) * 7) + ([0-9] - [01] * 2)
# 16 characters
(([BCDFGHJKMNPQRSTVWXYZ] + [aeu]) * 7) + ([0-9] - [01] * 2)
((20 * 3) ^ 7) * (8 ^ 2) = 1.7E14