Encryption method using synchronized continuously calculated pseudo-random key

A method of securely receiving a digital message from a first processing device by a second processing device in accordance with a pseudo-random number whose digits are generated continuously and sequentially in real time by the first processing device such that the number of digits in the pseudo-random number generated by the first processing device increases with time, said method comprising:

• generating continuously and sequentially in real time, by the second processing device, the digits of the pseudo-random number such that the number of digits in the pseudo-random number generated by the second processing device increases with time;
• receiving, by the second processing device an encrypted message that had been generated by the first processing device, said encrypted message being a function of the digital message and the sequentially digits of the pseudo-random number generated by the first processing device;
• and
• decrypting, by the first processing device, the encrypted message to extract the digital message, said decrypting comprising calculating the inverse of the function.

A method of securely communicating a digital message between first and second information processing devices, the method comprising the steps of:

• said first and second information processing devices each continuously and sequentially generating and storing, in real time, the digits of a pseudo-random number such that the number of digits in the pseudo-random number generated by the first processing device and the second processing device increases with time;
• said first information processing device generating an encrypted message by calculating a function of the digital message and the sequentially generated digits of the pseudo-random number, said calculated function being the encrypted message;
• said first information processing device communicating the encrypted message to the second information processing device;
• and
• said second information processing device decrypting the encrypted message by calculating the inverse of the function to obtain the digital message.