john, mostly known as John the Ripper, is a tool designed to help systems administrators to find weak (easy to guess or crack through brute force) passwords, and even automatically mail users warning them about it, if it is desired.
It can also be used with different cyphertext formats, including Unix's DES and MD5, Kerberos AFS passwords, Windows' LM hashes, BSDI's extended DES, and OpenBSD's Blowfish.
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| Architecture | Package Size | Installed Size | Files |
|---|---|---|---|
| alpha | 211.9 kB | 512 kB | [list of files] |
| amd64 | 177.7 kB | 468 kB | [list of files] |
| arm | 160.5 kB | 424 kB | [list of files] |
| hppa | 194.6 kB | 460 kB | [list of files] |
| i386 | 246.1 kB | 712 kB | [list of files] |
| ia64 | 265.6 kB | 688 kB | [list of files] |
| mips | 202.0 kB | 516 kB | [list of files] |
| mipsel | 199.2 kB | 516 kB | [list of files] |
| powerpc | 186.2 kB | 460 kB | [list of files] |
| s390 | 187.9 kB | 480 kB | [list of files] |
| sparc | 174.2 kB | 448 kB | [list of files] |