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A comment on “Username or password is incorrect” is bullshit. Parent comment

Re:“Username or password is incorrect” is bullshit by Amorymeltzer on Friday December 22, 2017 @08:10AM (#15987150)
Nah, user logins/emails often won't be long enough or random enough. See https://security.stackexchange.com/a/8024/28881 and https://stackoverflow.com/a/5565071/2521092
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Re:“Username or password is incorrect” is bullshit by swsieber on Friday December 22, 2017 @10:56AM (#15988330)
Would it be an okay practice to prepend the username as extra salt, still using the randomly generated salt?
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Re:“Username or password is incorrect” is bullshit by Amorymeltzer on Friday December 22, 2017 @12:24PM (#15989138)
Why not just use a longer salt? The username is only going to reduce randomness. Moreover, I don't buy the presumed advantage: nobody is really parsing that message to mean someone else could have the same password.
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Re:“Username or password is incorrect” is bullshit by marcosdumay on Friday December 22, 2017 @01:12PM (#15989561)
Be careful about how you merge the username and the random salt.
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