Hashcat

Hashcat is a powerful password recovery tool that supports over 200 hashing algorithms. It uses OpenCL to enhance performance.

Installation

Install hashcat package.

Hashcat cannot work without OpenCL, so you need to install the GPGPU#OpenCL package for your CPU or GPU.

Usage

For getting password from hash_file with hash_type using dictionary_file:

hashcat -m hash_type hash_file dictionary_file

More examples and usage details can be found at Hashcat wiki.

gollark: You might need some sort of specialised high frequency one. There are dedicated ultrasonic speakers.
gollark: Yes, what are you actually trying to do?
gollark: Audio? Radio? Electrical inputs?
gollark: 200kHx what?
gollark: Practically speaking I don't think they can check, or will care much, if it is very slightly too big.

See also
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