I am giving John the Ripper a file that may contain duplicate hashes, and get output like this:

2g 0:00:00:01  1.600g/s 3.200p/s 3.200c/s 70227C/s 123456789..abc123

Which represents the total number of unique passwords cracked over time. Is there a way to get total number of passwords (which contains duplicate password counts as well) cracked over time from John's output?

  • 1
    You say file that may contain duplicate hashes. Do you really mean duplicate hashes - that is, same password and same hash? Or do you mean duplicate passwords with different hashes? Mar 26, 2018 at 15:10
  • I mean same password with the same hash
    – rkd
    Mar 26, 2018 at 17:12
  • Why don't you strip those out before running the tool? (Duplicate hashes likely means a weak password storage mechanism as salts should make hashes unique.) Mar 26, 2018 at 17:46
  • 1
    Because multiple people can have the same password. Frequency analysis of a given password corpus has significant research value. Mar 26, 2018 at 18:21

1 Answer 1


"NoLoaderDupeCheck" attribute in the john.conf file is what i was looking for.

  • FYI: It is acceptable to mark your own answer as the right answer. Mar 27, 2018 at 21:05

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