![]() ![]() The original standard doesn't appear to support uppercase letters or numbers, and the implementation 2 only capitalizes the first letter of a syllable with a 50% chance (interestingly y is replaced with w in the array of characters checked, so y will never be capitalized). Even if increasing the length from 8 to 15 doubles the entropy, that's still probably under 60 bits of entropy on average 1, though this is improved slightly due to capitalization. A 1994 paper (page 192) estimated that to break into 1 out of 100 accounts with 8 character passwords, an attacker would only have to try 1.6 million passwords. The non-uniformity has severe implications. ![]() Password generator google password#Unfortunately the entropy of a FIPS 181 password is pretty hard to calculate, as it generates variable length syllables rather than characters, and there are a bunch of rules dictating whether or not a syllable is allowed. If the result doesn't contain both an uppercase letter and a number, it changes the first lowercase letter to uppercase, and changes the last lowercase character to a random digit. Up through version 68 Chrome follows FIPS 181 to generate a 15 character pronounceable password allowing uppercase letters, lowercase letters, and numbers. Chrome 68 (current version as of August 1st, 2018) ![]() Conor's answer is a good starting point, but if you dig into Chromium's source the situation starts to look a little bleaker (but still better than not using a password manager at all). ![]()
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