marsupial-sys 0.2.0

ffi crate for the xkcp/k12 implementation of the kangarootwelve hash function
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/*
K12 based on the eXtended Keccak Code Package (XKCP)
https://github.com/XKCP/XKCP

KangarooTwelve, designed by Guido Bertoni, Joan Daemen, Michaël Peeters, Gilles Van Assche, Ronny Van Keer and Benoît Viguier.

Implementation by Gilles Van Assche and Ronny Van Keer, hereby denoted as "the implementer".

For more information, feedback or questions, please refer to the Keccak Team website:
https://keccak.team/

To the extent possible under law, the implementer has waived all copyright
and related or neighboring rights to the source code in this file.
http://creativecommons.org/publicdomain/zero/1.0/
*/

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "align.h"
#include "KangarooTwelve.h"
#include "testKangarooTwelve.h"
#include "testPerformance.h"

#define BENCH1GB

void printHelp()
{
        printf("Usage: KeccakTests command(s), where the commands can be\n");
        printf("  --help or -h              To display this page\n");
        printf("  --all or -a               All tests\n");
        printf("  --KangarooTwelve or -K12  Tests on KangarooTwelve\n");
        printf("  --speed or -s             Speed measuresments\n");
#ifdef BENCH1GB
        printf("  --1GB                     Just hash 1GB of data and exit\n");
#endif
}

#ifdef BENCH1GB
void bench1GB()
{
    #define INPUT_SIZE 1000000000
    static ALIGN(64) unsigned char input[INPUT_SIZE];
    static ALIGN(64) unsigned char output[32];
    KT128(input, INPUT_SIZE, output, 32, 0, 0);
    #undef INPUT_SIZE
}
#endif

int process(int argc, char* argv[])
{
    int i;
    int help = 0;
    int KangarooTwelve = 0;
    int speed = 0;

    if (argc <= 1)
        help = 1;

#ifdef BENCH1GB
    if (argc > 1 && strcmp("--1GB", argv[1]) == 0) {
        bench1GB();
        return 0;
    }
#endif

    for(i=1; i<argc; i++) {
        if ((strcmp("--help", argv[i]) == 0) || (strcmp("-h", argv[i]) == 0))
            help = 1;
        else if ((strcmp("--all", argv[i]) == 0) || (strcmp("-a", argv[i]) == 0))
           KangarooTwelve = speed = 1;
        else if ((strcmp("--KangarooTwelve", argv[i]) == 0) || (strcmp("-K12", argv[i]) == 0))
            KangarooTwelve = 1;
        else if ((strcmp("--speed", argv[i]) == 0) || (strcmp("-s", argv[i]) == 0))
            speed = 1;
        else {
            printf("Unrecognized command '%s'\n", argv[i]);
            return -1;
        }
    }
    if (help) {
        printHelp();
        return 0;
    }
    if (KangarooTwelve) {
        testKangarooTwelve();
    }
    if (speed) {
        testPerformance();
    }
    return 0;
}

int main(int argc, char* argv[])
{
    return process(argc, argv);
}