LEA is a simple algorithm for file encryption that uses some boolean algebra and modular arithmetic. It can test the stream and generates numbers with a logical order. Using bytes as increments and decrements you can choose between a normal encryption without pseudo-random data generator or steganography with/without random data emulating binary executables. By default it includes a VMS Alpha Executable and a Linux IA32 ELF you can add to the binaries on a standard header included in the distribution and editing the steganographic routine, the fake binary included works on all the Linux distributions over IA32. Tested on HP-UX IA64, FreeBSD IA-32, Linux IA64 and Linux IA32.
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