test.c

#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "src/aegis128l/aegis128l.h"

static void
dump(const uint8_t *x, size_t len)
{
    for (size_t i = 0; i < len; i++) {
        printf("%02x", x[i]);
    }
    printf("\n");
}

int
main(int argc, char *argv[])
{
    if (aegis_init() != 0) {
        return 254;
    }
#define MACLEN 16
    uint8_t m[1000]          = { 0 };
    uint8_t c[1000 + MACLEN] = { 0 };
    uint8_t k[16]            = { 0 };
    uint8_t npub[16]         = { 0 };
    int     ret;

    aegis128l_encrypt(c, MACLEN, m, sizeof m, NULL, 0, npub, k);
    ret = aegis128l_decrypt(m, c, sizeof c, MACLEN, NULL, 0, npub, k);

    aegis128l_state st;
    size_t          pos = 0;
    size_t          written;

    memset(c, 0, sizeof c);
    aegis128l_state_init(&st, NULL, 0, npub, k);
    aegis128l_state_encrypt_update(&st, c, (sizeof c) - MACLEN, &written, m, 500);
    pos += written;
    printf("written: %zu\n", written);
    aegis128l_state_encrypt_update(&st, c + pos, (sizeof c) - MACLEN - pos, &written, m + 500,
                                   (sizeof m) - 500);
    pos += written;
    aegis128l_state_encrypt_detached_final(&st, c + pos, (sizeof c) - MACLEN - pos, &written,
                                           c + (sizeof m), MACLEN);
    dump(c, sizeof c);

    return 0;
}