John the Ripper is a password cracker that’s currently available on multiple platforms including Linux and Windows. Using the traditional Data Encryption Standard we see that the 2990WX. . Automatically takes advantage of all cores/cpus (great for multi-core systems). Has “rules” that are semi-compatible with John the Ripper. Under constant development. Very active IRC/Message-board based user-base. Supports large amounts of formats (NTLM, SHA, MD5).

John the Ripper is free and Open Source software,distributed primarily in source code form.If you would rather use a commercial product, please considerJohn the Ripper Pro,which is distributed primarily in the form of 'native' packagesfor the target operating systems and in general is meant to be easier toinstall and use while delivering optimal performance.

Proceed to John the Ripper Pro homepage for your OS: On Windows, consider Hash Suite(developed by a contributor to John the Ripper) On Android, consider Hash Suite Droid Download the latest John the Ripper jumbo release(release notes) or development snapshot: 1.9.0-jumbo-1 sources intar.xz, 33 MB (signature) ortar.gz, 43 MB (signature) 1.9.0-jumbo-1 64-bit Windows binaries in7z, 22 MB (signature) orzip, 63 MB (signature) 1.9.0-jumbo-1 32-bit Windows binaries in7z, 21 MB (signature) orzip, 61 MB (signature) Development source code in GitHub repository(download astar.gz orzip) Run John the Ripper jumbo in the cloud (AWS): John the Ripper in the cloud homepage Download the latest John the Ripper core release(release notes): 1.9.0 core sources intar.xz, 8.6 MB (signature) ortar.gz, 13 MB (signature) Development source code in CVS repository

To verify authenticity and integrity of your John the Ripper downloads, pleaseuse ourGnuPG public key.You will most likely need to download a 'Windows binaries' archive above.However, if you choose to download the source code instead (for a specific good reason), thenplease refer to these pages onhow to extract John the Ripper source code from the tar.gz and tar.xz archives andhow to build (compile) John the Ripper core(for jumbo, please refer to instructions inside the archive).You may also consider the unofficial builds on the contributed resources list further down this page.

These and older versions of John the Ripper, patches, unofficial builds, and many other related files are alsoavailable from the Openwall file archive.

You may browse the documentation for John the Ripper core online, including asummary of changes between core versions.Also relevant is ourpresentation on the history of password security.

There's a collection of wordlists for use with John the Ripper.It includes lists of common passwords, wordlists for 20+ human languages, and files with the common passwords andunique words for all the languages combined, also with mangling rules applied and any duplicates purged.

yescrypt and crypt_blowfishare implementations of yescrypt, scrypt, and bcrypt - some of the strong password hashes also found in John the Ripper -released separately for defensive use in your software or on your servers.

passwdqc is a proactive password/passphrase strength checking and policy enforcement toolset,which can prevent your users from choosing passwords that would be easily cracked with programs like John the Ripper.

We may help you integrate modern password hashing withyescrypt or crypt_blowfish,and/or proactive password strength checking withpasswdqc,into your OS installs, software, or online services.Please check out our services.

There's a mailing list where you can share your experience with John the Ripper and ask questions.Please be sure to specify an informative message subject wheneveryou post to the list(that is, something better than 'question' or 'problem').To subscribe, enter your e-mail address below or send an empty message to<john-users-subscribe at lists.openwall.com>.You will be required to confirm your subscription by 'replying'to the automated confirmation request that will be sent to you.You will be able tounsubscribeat any time and we will not use your e-mailaddress for any other purpose or share it with a third party.However, if you post to the list, other subscribers and thoseviewing the archives may see your address(es) as specified on your message.The list archive is availablelocally and viaMARC.Additionally, there's alist of selected most useful and currently relevant postings on thecommunity wiki.

Contributed resources for John the Ripper: Community wiki withcustom builds,benchmarks, and more Custom builds for Windows (up to 1.8.0.13-jumbo) Custom builds for macOS (up to 1.8.0.9-jumbo) Custom builds for Solaris (packages up to 1.7.6, non-packaged up to 1.7.8-jumbo-7) Custom builds for Android (up to 1.8.0) Ubuntu snap package(documentation,announcement) OpenVMS and SYSUAF.DAT support(signature)by Jean-loup Gailly OpenVMS executables for Alpha and VAX(signature) Local copies ofthe above files by Jean-loup Gailly anda much newer implementation by David Jones

Local copies of these and many other related packages are alsoavailable from the Openwall file archive.

John the Ripper is part ofOwl,Debian GNU/Linux, Fedora Linux, Gentoo Linux, Mandriva Linux, SUSE Linux,and a number of other Linux distributions.It is in the ports/packages collections of FreeBSD, NetBSD, and OpenBSD.

John The Ripper Program

John the Ripper is a registered project withOpen Huband it is listed atSecTools.