<< Is there any way to decrypt dat encrypted using the crypt function? If
not, then what purpose does that function have? >>
Crypt cannot be decrypted. One use of the function is for storing passwords
on a server where people can access them. If you crypt the passwords before
you store them on the server, nobody can see the actual passwords. Now when
someone tries to login with one of those passwords, you crypt the password
he enters, compare it with the version on the server, and if they match,
it's the right password.
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