examples/fips_validation/fips_validation_hmac.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2018 Intel Corporation
 */

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

#include <rte_cryptodev.h>

#include "fips_validation.h"

#define ALGO_PREFIX "[L="
#define KEYLEN_STR  "Klen = "
#define TAGLEN_STR  "Tlen = "

#define COUNT_STR   "Count = "
#define KEY_STR     "Key = "
#define PT_STR      "Msg = "
#define TAG_STR     "Mac = "

struct hash_size_conversion {
    const char *str;
    enum rte_crypto_auth_algorithm algo;
} hsc[] = {
        {"20", RTE_CRYPTO_AUTH_SHA1_HMAC},
        {"28", RTE_CRYPTO_AUTH_SHA224_HMAC},
        {"32", RTE_CRYPTO_AUTH_SHA256_HMAC},
        {"48", RTE_CRYPTO_AUTH_SHA384_HMAC},
        {"64", RTE_CRYPTO_AUTH_SHA512_HMAC},
};

static int
parse_interim_algo(__attribute__((__unused__)) const char *key,
        char *text,
        __attribute__((__unused__)) struct fips_val *val)
{

    uint32_t i;

    for (i = 0; i < RTE_DIM(hsc); i++) {
        if (strstr(text, hsc[i].str)) {
            info.interim_info.hmac_data.algo = hsc[i].algo;
            break;
        }
    }

    if (i == RTE_DIM(hsc))
        return -1;

    return 0;
}

struct fips_test_callback hmac_tests_vectors[] = {
        {KEYLEN_STR, parser_read_uint32_val, &vec.cipher_auth.key},
        {TAGLEN_STR, parser_read_uint32_val, &vec.cipher_auth.digest},
        {KEY_STR, parse_uint8_hex_str, &vec.cipher_auth.key},
        {PT_STR, parse_uint8_hex_str, &vec.pt},
        {TAG_STR, parse_uint8_hex_str, &vec.cipher_auth.digest},
        {NULL, NULL, NULL} 
};

struct fips_test_callback hmac_tests_interim_vectors[] = {
        {ALGO_PREFIX, parse_interim_algo, NULL},
        {NULL, NULL, NULL} 
};

static int
parse_test_hmac_writeback(struct fips_val *val)
{
    struct fips_val val_local;

    fprintf(info.fp_wr, "%s", TAG_STR);

    val_local.val = val->val + vec.pt.len;
    val_local.len = vec.cipher_auth.digest.len;

    parse_write_hex_str(&val_local);
    return 0;
}

static int
rsp_test_hmac_check(struct fips_val *val)
{
    if (memcmp(val->val + vec.pt.len, vec.cipher_auth.digest.val,
            vec.cipher_auth.digest.len) == 0)
        fprintf(info.fp_wr, "Success\n");
    else
        fprintf(info.fp_wr, "Failed\n");

    return 0;
}

int
parse_test_hmac_init(void)
{
    info.op = FIPS_TEST_ENC_AUTH_GEN;
    info.parse_writeback = parse_test_hmac_writeback;
    info.callbacks = hmac_tests_vectors;
    info.interim_callbacks = hmac_tests_interim_vectors;
    info.writeback_callbacks = NULL;
    info.kat_check = rsp_test_hmac_check;

    return 0;
}