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Bcrypt Prefix - Kangaroot - 09-27-2018

Help to work out prefix for bcrypt hash to crack.

I have digest for bcrypt hash and know that it has 4 rounds, which doesn't explain me what prefix will have to come with hash.


Please anyone can explain which prefix have to be used?

RE: Bcrypt Prefix - undeath - 09-27-2018

if your cost factor is 4 (note: bcrypt does not have a iteration/round indicator) your prefix is probably $2y$4

RE: Bcrypt Prefix - Kangaroot - 09-27-2018

thank you