The random keys distribution encryption routine. This is a strong encryption method based on a 4 number keys random number distribution . The 4 (5 - digit) number keys provide strong encryption protection due to message hashing that is provided on random number (s) generation where the inputed keys are used as random seeds . Each user choosen key is randomized and message hash is produced with a different randomizing method . Execution requires usage of the following command line switches:

1. eg r71 -a 11111 -b 22222 -c 33333 -d 44444 -e < filename to encrypt>
2. and to decrypt eg r71 -a 11111 -b 22222 -c 33333 -d 44444 -f < filename to decrypt>

where the numbers following the -a -b -c and -d switches are user chosen encryption 5 digit number keys.

The license of this software is Freeware, you can free download and free use this file encryption software.