06-15-2020, 08:58 AM

Allow me to illustrate

Say I feed this into hashcat for cracking

xx??xxxx:xxxxxxxx

And I know the first part of the key xx??????

The above is hexadecimal of course.

The question marks are what I currently don't know, the x's are what I do know. If I could have hashcat "keep guessing" I should have a potfile with a maximum of 65536 combinations (or since DES keys are 56 bit, that would be 32768?)

At the moment, without modification (as far as I can tell) I would have to run every combination (ie guess the 2 missing bytes bytes) and that wouldn't be feasible

With the combinations that are left, it should be simple to work out which from what is left is the correct key

Hope that helps

Say I feed this into hashcat for cracking

xx??xxxx:xxxxxxxx

And I know the first part of the key xx??????

The above is hexadecimal of course.

The question marks are what I currently don't know, the x's are what I do know. If I could have hashcat "keep guessing" I should have a potfile with a maximum of 65536 combinations (or since DES keys are 56 bit, that would be 32768?)

At the moment, without modification (as far as I can tell) I would have to run every combination (ie guess the 2 missing bytes bytes) and that wouldn't be feasible

With the combinations that are left, it should be simple to work out which from what is left is the correct key

Hope that helps