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How long does it take to run John the Ripper?
“Single crack” mode runs typically take from under a second to one day (depending on the type and number of password hashes).
Is John the Ripper fast?
John the Ripper is a fast password cracker that can be used to detect weak Unix passwords. Besides several crypt(3) password hash types most commonly found on various Unix systems, supported out of the box are Windows LM hashes, plus lots of other hashes and ciphers in the community-enhanced version.
What is John the Ripper good for?
First released in 1996, John the Ripper (JtR) is a password cracking tool originally produced for UNIX-based systems. It was designed to test password strength, brute-force encrypted (hashed) passwords, and crack passwords via dictionary attacks.
Is John the Ripper free?
It has free as well as paid password lists available. John the Ripper is a free and fast password cracking software tool. Initially developed for the Unix operating system, it now runs on fifteen different platforms (eleven of which are architecture-specific versions of Unix, DOS, Win32, BeOS, and OpenVMS).
What is the purpose of John the Ripper?
John the Ripper is a fast password cracker, currently available for many flavors of Unix, macOS, Windows, DOS, BeOS, and OpenVMS. Historically, its primary purpose is to detect weak Unix passwords.
Where can I find John the Ripper benchmarks?
At a later time, it may make sense to turn it into a namespace with sub-pages for john –test benchmarks (only c/s rate matters) and actual cracking runs (lots of things matter). Also, the underlying data may be uploaded/collected (e.g., exact john –test outputs, /proc/cpuinfo off of Linux systems, john.log files).
Is there an open source John the Ripper tool?
John the Ripper is an Open Source password security auditing and password recovery tool available for many operating systems.
What should my C / S rate be for John the Ripper?
Please make sure to run the benchmarks on an otherwise idle system. For OpenMP- and MPI-enabled benchmarks, pick the “real” c/s rate. For single CPU core benchmarks, the “real” and “virtual” time results should be almost the same (as long as the system is indeed otherwise idle), so it should not matter which one of these two you pick.