A program allows a user to save passwords used to log in to websites. A stored password is then inserted automatically when the user logs in to the corresponding website. A global 2D array Secret of type STRING stores the passwords together with the website domain name where they are used. Secret contains 1000 elements organised as 500 rows by 2 columns. Unused elements contain the empty string (""). These may occur anywhere in the array. An example of a part of the array is: Array element Value Secret [27, 1] "thiswebsite.com" Secret [27, 2] "............" Secret [28, 1] "thatwebsite.com" Secret [28, 2] "............" Note: • For security, the passwords are stored in an encrypted form, shown as "............" in the example. • The passwords cannot be used without being decrypted. • You may assume the encrypted form of a password will NOT be an empty string. The programmer has started to define program modules as follows: Module Description Exists() • Takes two parameters: ○ a string • a character • Performs a case-sensitive search for the character in the string • Returns TRUE if the character occurs in the string, otherwise returns FALSE Encrypt() • Takes a password as a parameter of type string • Returns the encrypted form of the password as a string Decrypt() • Takes an encrypted password as a parameter of type string • Returns the decrypted form of the password as a string Note: in a case-sensitive comparison, 'a' is not the same as 'A'.