Since most people choose easy-to-remember passwords, JtR is often very effective even with its out-of-the-box wordlists of passwords. These wordlists provide JtR with thousands of possible passwords from which it can generate the corresponding hash values to make a high-value guess of the target password. JtR also includes its own wordlists of common passwords for 20+ languages. JtR autodetects the encryption on the hashed data and compares it against a large plain-text file that contains popular passwords, hashing each password, and then stopping it when it finds a match. JtR supports several common encryption technologies out-of-the-box for UNIX and Windows-based systems.
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John the Ripper has an official free version, a community enhanced version, and also a pro version. John The Ripper is a combination of the number of password crackers in one package makes it one of the best password testing and breaking program which autodetects password hashes and customizable password cracker.
Such as crypt password hash types( MD5, DES or Blowfish).Īlso, Password stored in MySQL, LDAP, and others. John The Ripper uses a wide variety of password cracking techniques against user accounts of many operating systems, password encryptions, and hashes. John The Ripper widely used to reduce the risk of network security causes by weak passwords as well as to measure other security flaws regarding encryptions. John the Ripper initially developed for UNIX operating system but now it works in Fifteen different platforms. John the ripper is an advanced password cracking tool used by many which is free and open source.