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Create a class with all its attributes and test in order to start the process

The encrypt method takes a message String as an argument. It can optionally take a Key and Date as arguments to use for encryption. If the key is not included, generate a random key. If the date is not included, use today’s date.

The encrypt method returns a hash with three keys:

:encryption => the encrypted String
:key => the key used for encryption as a String
:date => the date used for encryption as a String in the form DDMMYY

The decrypt method takes a ciphertext String and the Key used for encryption as arguments. The decrypt method can optionally take a date as the third argument. If no date is given, this method should use today’s date for decryption.

The decrypt method returns a hash with three keys:

:decryption => the decrypted String
:key => the key used for decryption as a String
:date => the date used for decryption as a String in the form DDMMYY