John the Ripper tool are able to perform various attacks and crack a lot of hash formats such as MD5, SHA1, Adler32, SHA512, MD2 etc. It will save your password in a different format so no one can read it even if your system compromise. It enhances security by encrypting input strings. Whenever you set your password it will take your password as an input string and with the help of hashing function, it converts that password into a hash (random combination of number and alphabet) and stores it in the database. Check the below image with syntax and example
It will save your password in a plain file as the same string you entered. Whenever you set a password it will directly store in the database as a text file that may be read easily if the system compromised. The best example is how our system password stores in the database. Let's understand hashing process with a real-life example. There are many formulas that can be used to hash a message Hash Function Example The algorithm that encrypts string into hash is the so-called hash function.Hashing is the process of converting an input of any length into a fixed-size string of text using the mathematical function (Hash Function) i.e, any text no matter how long it is can be converted into any random combination of numbers and alphabets through an algorithm It can be used to crack password-protected compressed files like Zip, Rar, Doc, pdf etc. It automatically detects types of password hashes, you can also customize this tool according to your wish. As the name, It is used to crack password hashes by using its most popular inbuilt program, rules and codes that are also an individual password cracker itself in a single package. John the Ripper is the name of the password cracker tool that is developed by Openwall. In this blog, I have shown what is John the Ripper, How to use John the Ripper, How John the Ripper password cracker works and practical tutorial on John the Ripper usage. John the Ripper is the tool that is used by most of the ethical hackers to perform dictionary attacks for password cracking. This is the blog where you will see one of the most famous and powerful tool for password cracking which is John the Ripper.
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