Define the Salting Process & It's Uses ?
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The salting process is a technique which is used to enhance the security of passwords stored in databases. When a user creates an account on a website or an application, they usually create a password to secure their account. However, storing these passwords directly in a database can pose a significant security risk, especially if the database is compromised by hackers.
The salting process involves adding a random string of characters, known as a "salt," to each password before storing it in the database. This salt is unique for each user and is generated randomly. By adding this additional random data to each password, even if two users have the same password, their stored passwords will look different in the database due to the unique salts.
One of the primary uses of the salting process is to prevent attackers from using precomputed tables, such as rainbow tables, to crack passwords. Rainbow tables are precomputed tables of hash values for commonly used passwords. Without salting, attackers can compare the hashed passwords in the database to entries in these tables to quickly find matching passwords. However, with the addition of salts, the hash values become unique even for identical passwords, making it impractical for attackers to use precomputed tables effectively.
Moreover, the salting process also helps mitigate the risk of brute force attacks. Even if attackers attempt to guess passwords by trying various combinations, they would need to compute the hash value for each guess individually, significantly slowing down the attack process.
In summary, the salting process adds an extra layer of security to password storage by incorporating unique random salts to each password. This technique effectively mitigates the risk of password cracking through precomputed tables and brute force attacks, thus enhancing the overall security of network systems.