COMPLETE STATUS:

    Pure Java 1.2+ :: optimised
    Python 3       :: optimised
    C ISO C90      :: optimised
    Java/C JNI     :: under development
    Vala           :: correct, under development
    NASM           :: planned (maybe, after jni)
    Haskell        :: planned (maybe)
    Python 2       :: planned (maybe)
    Perl           :: planned (maybe)
    D              :: planned (maybe)
    Common Lisp    :: planned (perhaps)
    Scala          :: planned (perhaps)
    Magic          :: planned (perhaps)


**SHA-3/Keccak checksum calculator**

*USAGE:*

    sha3sum [option...] < FILE
    sha3sum [option...] file...

*OPTIONS:*

    -r BITRATE
    --bitrate      The bitrate to use for SHA-3.          (default: 576)
    
    -c CAPACITY
    --capacity     The capacity to use for SHA-3.         (default: 1024)
    
    -w WORDSIZE
    --wordsize     The word size to use for SHA-3.        (default: 64)
    
    -o OUTPUTSIZE
    --outputsize   The output size to use for SHA-3.      (default: 512)
    
    -s STATESIZE
    --statesize    The state size to use for SHA-3.       (default: 1600)
    
    -i ITERATIONS
    --iterations   The number of hash iterations to run.  (default: 1)
    
    -j SQUEEZES
    --squeezes      The number of hash squeezes to run.   (default: 1)
    
    -h
    --hex          Read the input in hexadecimal, rather than binary.
    
    -b
    --binary       Print the checksum in binary, rather than hexadecimal.
    
    -m
    --multi         Print the chechsum at all iterations.


If you want to contribute with an implementation in another
language, please try do some in the earliest version of the
language officially supported on GNU/Linux, unless there are
backwards incompatibilities (as is the case with Python.)
This helps for embedded devices.