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- ┌────────────────────────────────────────────────────┐
- │ Encipher or Decipher a string of text. │
- └────────────────────────────────────────────────────┘
-
- This routine requires that you supply two strings of
- characters. The first is the text to be encrypted, and
- the second is one or more keywords which are used to
- encipher the text. Thereafter, the text cannot be
- decrypted until you supply the same key string again.
-
- The encryption algorithm XORs (eXclusive ORs) the key
- string with string to be encrypted. This allows you to
- reverse the procedure and decrypt the text, simply by
- calling the routine a second time.