richardsonjf / cipher Goto Github PK

1.COMPILATION:

gcc -o cipher cip.c

2.PARAMETERS:

a)./cipher arg1  
arg1 = -h(-help) - read help file
 
b)./cipher arg1 arg2 arg3
arg1 = -e(-encrypt) or -d(-decrypt) - crypt/decrypt file
arg2 = input file
arg3 = output file

3.KEYS:

Key must be in hex format and consist of 16 numbers.
For example:
ABCDEF1234567890
42fbaa9876141677