Print crypt.crypt("password","$1$ZDzPE45C$") So if we want to compute the MD5 hash for a password of “password” and a salt value of “ZDzPE45C”, we use: We can use the crypt library in Python to generate the hashed values. John the Ripper, though, is able to crack the hashed password, as it tries the salt with common words (of which “password” is one of the most comment): This is then salted with “ZDzPE45C” to give a hash of “圓72GZYCbB1WYtOkbm4/u.”. In the following example, the user (bill) has a password of “password”. So, if John The Ripper gets access to the salt, it can easily crack the hashed password as it will try the most common passwords, with the salt value. Unfortunately, you need to store the salt value, in order to check the hash value. Thus if an intruder just gets the hashed value, they will struggle to determine the orginal password. As the salt is fairly unique, it is unlikely that this hashed value will appear in a rainbow table. Where apr1 is the hashing method (Apache), "eOzoIRJ" is the salt, and "HEwFhY65w0riwDaC5V3G21" is the created hash value. The entry we get for the password file is thus: Designers have since moved to adding a salt string to the hash in order for it create a wider range of hash values:
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