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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| Arkitektur | Paketstorlek | Installerad storlek | Filer |
|---|---|---|---|
| alpha | 211,9 kbyte | 512 kbyte | [filförteckning] |
| amd64 | 177,7 kbyte | 468 kbyte | [filförteckning] |
| arm | 160,5 kbyte | 424 kbyte | [filförteckning] |
| hppa | 194,6 kbyte | 460 kbyte | [filförteckning] |
| i386 | 246,1 kbyte | 712 kbyte | [filförteckning] |
| ia64 | 265,6 kbyte | 688 kbyte | [filförteckning] |
| mips | 202,0 kbyte | 516 kbyte | [filförteckning] |
| mipsel | 199,2 kbyte | 516 kbyte | [filförteckning] |
| powerpc | 186,2 kbyte | 460 kbyte | [filförteckning] |
| s390 | 187,9 kbyte | 480 kbyte | [filförteckning] |
| sparc | 174,2 kbyte | 448 kbyte | [filförteckning] |