examples/fips_validation/fips_validation_xts.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (C) 2020 Marvell International Ltd.
 */

#include <string.h>
#include <stdio.h>
#include <time.h>

#include <rte_cryptodev.h>

#include "fips_validation.h"

#define MODE_STR    "XTS"
#define ALGO_STR    "test data for "
#define OP_STR      "State"
#define KEY_SIZE_STR    "Key Length : "

#define COUNT_STR   "COUNT = "
#define KEY_STR     "Key = "
#define IV_STR      "i = "
#define PT_STR      "PT = "
#define CT_STR      "CT = "

#define OP_ENC_STR  "ENCRYPT"
#define OP_DEC_STR  "DECRYPT"

static int
parse_interim_xts_enc_dec(const char *key,
        __rte_unused char *text,
        __rte_unused struct fips_val *val)
{
    if (strcmp(key, OP_ENC_STR) == 0)
        info.op = FIPS_TEST_ENC_AUTH_GEN;
    else if (strcmp(key, OP_DEC_STR) == 0)
        info.op = FIPS_TEST_DEC_AUTH_VERIF;
    else
        return -1;
    return 0;
}

struct fips_test_callback xts_tests_vectors[] = {
        {KEY_STR, parse_uint8_hex_str, &vec.cipher_auth.key},
        {IV_STR, parse_uint8_hex_str, &vec.iv},
        {PT_STR, parse_uint8_hex_str, &vec.pt},
        {CT_STR, parse_uint8_hex_str, &vec.ct},
        {NULL, NULL, NULL} 
};

struct fips_test_callback xts_tests_interim_vectors[] = {
        {OP_ENC_STR, parse_interim_xts_enc_dec, NULL},
        {OP_DEC_STR, parse_interim_xts_enc_dec, NULL},
        {NULL, NULL, NULL} 
};

struct fips_test_callback xts_writeback_callbacks[] = {
        {COUNT_STR, NULL, NULL},
        {IV_STR, writeback_hex_str, &vec.iv},
        {KEY_STR, writeback_hex_str, &vec.cipher_auth.key},
        {PT_STR, writeback_hex_str, &vec.pt},
        {CT_STR, writeback_hex_str, &vec.ct},
        {NULL, NULL, NULL} 
};

static int
parse_test_xts_writeback(struct fips_val *val)
{
    if (info.op == FIPS_TEST_ENC_AUTH_GEN)
        fprintf(info.fp_wr, "%s", CT_STR);
    else
        fprintf(info.fp_wr, "%s", PT_STR);

    parse_write_hex_str(val);
    return 0;
}

static int
rsp_test_xts_check(struct fips_val *val)
{
    struct fips_val *data;
    if (info.op == FIPS_TEST_ENC_AUTH_GEN)
        data = &vec.ct;
    else
        data = &vec.pt;

    if (memcmp(val->val, data->val, val->len) == 0)
        fprintf(info.fp_wr, "Success\n");
    else
        fprintf(info.fp_wr, "Failed\n");
    return 0;
}

int parse_test_xts_init(void)
{
    char *tmp;
    uint32_t i;
    for (i = 0; i < info.nb_vec_lines; i++) {
        char *line = info.vec[i];
        tmp = strstr(line, KEY_SIZE_STR);
        if (tmp) {
            tmp += (strlen(KEY_SIZE_STR) + strlen("AES"));
            if (parser_read_uint32(
                &info.interim_info.aes_data.key_len,
                    tmp) < 0)
                return -EINVAL;
            info.interim_info.aes_data.key_len =
            (info.interim_info.aes_data.key_len*2) / 8;
            continue;
        }

    }
    info.parse_writeback = parse_test_xts_writeback;
    info.callbacks = xts_tests_vectors;
    info.interim_callbacks = xts_tests_interim_vectors;
    info.writeback_callbacks = xts_writeback_callbacks;
    info.kat_check = rsp_test_xts_check;

    return 0;
}