I have encrypted a USB drive with BitLocker and I have lost the password and the hash backup. I have tried to search for something to decrypt the drive but came short. I have imaged the USB drive and was wondering is there a way to decrypt an image file?
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3If there was an easy way, then BitLocker would not be much of a protection. – schroeder Jun 24 '20 at 07:22
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As @schroeder mentioned in the comment, the design goal of a product like BitLocker is to prevent exactly what you are asking.
It is impossible to decrypt an encrypted drive without a key? No - you can exhaustively search the entire key space until you locate one that works - if you can tell that is the case.
Is it feasible to decrypt an encrypted drive without a key within a reasonable amount of time and effort? No, it could take millenia to complete such a task.
Pedro
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"millenia"? more like billions of years by pooling all of today's computing resources – A. Hersean Jun 24 '20 at 13:46
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for the sake of comparison, centuries or millenia or billions of years are equally unrealistic to wait for. – Pedro Jun 24 '20 at 14:14
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Millenia can be reduce to one year given enough computers. Thus decryptable. – A. Hersean Jun 24 '20 at 14:36