fusionbench.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "picotls/fusion.h"

int main(int argc, char **argv)
{
    static const uint8_t key[16] = {}, iv[12] = {}, aad[13] = {};
    ptls_fusion_aesgcm_context_t ctx;
    size_t textlen = 16384;

    if (sscanf(argv[1], "%zu", &textlen) != 1) {
        fprintf(stderr, "failed to obtain text length from argument\n");
        return 1;
    }

    uint8_t *text = malloc(textlen + 16);
    memset(text, 0, textlen + 16);

    ptls_fusion_aesgcm_init(&ctx, key);

    for (int i = 0; i < 1000000; ++i)
        ptls_fusion_aesgcm_encrypt(&ctx, iv, aad, sizeof(aad), text, text, textlen);


    for (int i = 0; i < 16; ++i)
        printf("%02x", text[textlen + i]);
    printf("\n");

    return 0;
}