examples/fips_validation/main.c

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

#include <sys/stat.h>
#include <getopt.h>
#include <dirent.h>

#include <rte_cryptodev.h>
#include <rte_malloc.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include <rte_string_fns.h>

#include "fips_validation.h"
#include "fips_dev_self_test.h"

enum {
#define OPT_REQ_FILE_PATH           "req-file"
    OPT_REQ_FILE_PATH_NUM = 256,
#define OPT_RSP_FILE_PATH           "rsp-file"
    OPT_RSP_FILE_PATH_NUM,
#define OPT_MBUF_DATAROOM           "mbuf-dataroom"
    OPT_MBUF_DATAROOM_NUM,
#define OPT_FOLDER                  "path-is-folder"
    OPT_FOLDER_NUM,
#define OPT_CRYPTODEV               "cryptodev"
    OPT_CRYPTODEV_NUM,
#define OPT_CRYPTODEV_ID            "cryptodev-id"
    OPT_CRYPTODEV_ID_NUM,
#define OPT_CRYPTODEV_ST            "self-test"
    OPT_CRYPTODEV_ST_NUM,
#define OPT_CRYPTODEV_BK_ID         "broken-test-id"
    OPT_CRYPTODEV_BK_ID_NUM,
#define OPT_CRYPTODEV_BK_DIR_KEY    "broken-test-dir"
    OPT_CRYPTODEV_BK_DIR_KEY_NUM,
#define OPT_USE_JSON                "use-json"
    OPT_USE_JSON_NUM,
};

struct fips_test_vector vec;
struct fips_test_interim_info info;

#ifdef USE_JANSSON
struct fips_test_json_info json_info;
#endif /* USE_JANSSON */

struct cryptodev_fips_validate_env {
    const char *req_path;
    const char *rsp_path;
    uint32_t is_path_folder;
    uint8_t dev_id;
    uint8_t dev_support_sgl;
    uint16_t mbuf_data_room;
    struct rte_mempool *mpool;
    struct rte_mempool *sess_mpool;
    struct rte_mempool *sess_priv_mpool;
    struct rte_mempool *op_pool;
    struct rte_mbuf *mbuf;
    uint8_t *digest;
    uint16_t digest_len;
    struct rte_crypto_op *op;
    struct rte_cryptodev_sym_session *sess;
    uint16_t self_test;
    struct fips_dev_broken_test_config *broken_test_config;
} env;

static int
cryptodev_fips_validate_app_int(void)
{
    struct rte_cryptodev_config conf = {rte_socket_id(), 1, 0};
    struct rte_cryptodev_qp_conf qp_conf = {128, NULL, NULL};
    struct rte_cryptodev_info dev_info;
    uint32_t sess_sz = rte_cryptodev_sym_get_private_session_size(
            env.dev_id);
    uint32_t nb_mbufs = UINT16_MAX / env.mbuf_data_room + 1;
    int ret;

    if (env.self_test) {
        ret = fips_dev_self_test(env.dev_id, env.broken_test_config);
        if (ret < 0) {
            rte_cryptodev_close(env.dev_id);

            return ret;
        }
    }

    ret = rte_cryptodev_configure(env.dev_id, &conf);
    if (ret < 0)
        return ret;

    rte_cryptodev_info_get(env.dev_id, &dev_info);
    if (dev_info.feature_flags & RTE_CRYPTODEV_FF_IN_PLACE_SGL)
        env.dev_support_sgl = 1;
    else
        env.dev_support_sgl = 0;

    env.mpool = rte_pktmbuf_pool_create("FIPS_MEMPOOL", nb_mbufs,
            0, 0, sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM +
            env.mbuf_data_room, rte_socket_id());
    if (!env.mpool)
        return ret;

    ret = rte_cryptodev_queue_pair_setup(env.dev_id, 0, &qp_conf,
            rte_socket_id());
    if (ret < 0)
        return ret;

    ret = -ENOMEM;

    env.sess_mpool = rte_cryptodev_sym_session_pool_create(
            "FIPS_SESS_MEMPOOL", 16, 0, 0, 0, rte_socket_id());
    if (!env.sess_mpool)
        goto error_exit;

    env.sess_priv_mpool = rte_mempool_create("FIPS_SESS_PRIV_MEMPOOL",
            16, sess_sz, 0, 0, NULL, NULL, NULL,
            NULL, rte_socket_id(), 0);
    if (!env.sess_priv_mpool)
        goto error_exit;

    env.op_pool = rte_crypto_op_pool_create(
            "FIPS_OP_POOL",
            RTE_CRYPTO_OP_TYPE_SYMMETRIC,
            1, 0,
            16,
            rte_socket_id());
    if (!env.op_pool)
        goto error_exit;

    env.op = rte_crypto_op_alloc(env.op_pool, RTE_CRYPTO_OP_TYPE_SYMMETRIC);
    if (!env.op)
        goto error_exit;

    qp_conf.mp_session = env.sess_mpool;
    qp_conf.mp_session_private = env.sess_priv_mpool;

    ret = rte_cryptodev_queue_pair_setup(env.dev_id, 0, &qp_conf,
            rte_socket_id());
    if (ret < 0)
        goto error_exit;

    ret = rte_cryptodev_start(env.dev_id);
    if (ret < 0)
        goto error_exit;

    return 0;

error_exit:

    rte_mempool_free(env.mpool);
    rte_mempool_free(env.sess_mpool);
    rte_mempool_free(env.sess_priv_mpool);
    rte_mempool_free(env.op_pool);

    return ret;
}

static void
cryptodev_fips_validate_app_uninit(void)
{
    rte_pktmbuf_free(env.mbuf);
    rte_crypto_op_free(env.op);
    rte_cryptodev_sym_session_clear(env.dev_id, env.sess);
    rte_cryptodev_sym_session_free(env.sess);
    rte_mempool_free(env.mpool);
    rte_mempool_free(env.sess_mpool);
    rte_mempool_free(env.sess_priv_mpool);
    rte_mempool_free(env.op_pool);
}

static int
fips_test_one_file(void);

#ifdef USE_JANSSON
static int
fips_test_one_json_file(void);
#endif /* USE_JANSSON */

static int
parse_cryptodev_arg(char *arg)
{
    int id = rte_cryptodev_get_dev_id(arg);

    if (id < 0) {
        RTE_LOG(ERR, USER1, "Error %i: invalid cryptodev name %s\n",
                id, arg);
        return id;
    }

    env.dev_id = (uint8_t)id;

    return 0;
}

static int
parse_cryptodev_id_arg(char *arg)
{
    uint32_t cryptodev_id;

    if (parser_read_uint32(&cryptodev_id, arg) < 0) {
        RTE_LOG(ERR, USER1, "Error %i: invalid cryptodev id %s\n",
                -EINVAL, arg);
        return -1;
    }


    if (!rte_cryptodev_is_valid_dev(cryptodev_id)) {
        RTE_LOG(ERR, USER1, "Error %i: invalid cryptodev id %s\n",
                cryptodev_id, arg);
        return -1;
    }

    env.dev_id = (uint8_t)cryptodev_id;

    return 0;
}

static void
cryptodev_fips_validate_usage(const char *prgname)
{
    uint32_t def_mbuf_seg_size = DEF_MBUF_SEG_SIZE;
    printf("%s [EAL options] --\n"
        "  --%s: REQUEST-FILE-PATH\n"
        "  --%s: RESPONSE-FILE-PATH\n"
        "  --%s: indicating both paths are folders\n"
        "  --%s: mbuf dataroom size (default %u bytes)\n"
        "  --%s: CRYPTODEV-NAME\n"
        "  --%s: CRYPTODEV-ID-NAME\n"
        "  --%s: self test indicator\n"
        "  --%s: self broken test ID\n"
        "  --%s: self broken test direction\n",
        prgname, OPT_REQ_FILE_PATH, OPT_RSP_FILE_PATH,
        OPT_FOLDER, OPT_MBUF_DATAROOM, def_mbuf_seg_size,
        OPT_CRYPTODEV, OPT_CRYPTODEV_ID, OPT_CRYPTODEV_ST,
        OPT_CRYPTODEV_BK_ID, OPT_CRYPTODEV_BK_DIR_KEY);
}

static int
cryptodev_fips_validate_parse_args(int argc, char **argv)
{
    int opt, ret;
    char *prgname = argv[0];
    char **argvopt;
    int option_index;
    struct option lgopts[] = {
        {OPT_REQ_FILE_PATH, required_argument,
                NULL, OPT_REQ_FILE_PATH_NUM},
        {OPT_RSP_FILE_PATH, required_argument,
                NULL, OPT_RSP_FILE_PATH_NUM},
        {OPT_FOLDER, no_argument,
                NULL, OPT_FOLDER_NUM},
        {OPT_MBUF_DATAROOM, required_argument,
                NULL, OPT_MBUF_DATAROOM_NUM},
        {OPT_CRYPTODEV, required_argument,
                NULL, OPT_CRYPTODEV_NUM},
        {OPT_CRYPTODEV_ID, required_argument,
                NULL, OPT_CRYPTODEV_ID_NUM},
        {OPT_CRYPTODEV_ST, no_argument,
                NULL, OPT_CRYPTODEV_ST_NUM},
        {OPT_CRYPTODEV_BK_ID, required_argument,
                NULL, OPT_CRYPTODEV_BK_ID_NUM},
        {OPT_CRYPTODEV_BK_DIR_KEY, required_argument,
                NULL, OPT_CRYPTODEV_BK_DIR_KEY_NUM},
        {NULL, 0, 0, 0}
    };

    argvopt = argv;

    env.mbuf_data_room = DEF_MBUF_SEG_SIZE;
    if (rte_cryptodev_count())
        env.dev_id = 0;
    else {
        cryptodev_fips_validate_usage(prgname);
        return -EINVAL;
    }

    while ((opt = getopt_long(argc, argvopt, "s:",
                  lgopts, &option_index)) != EOF) {

        switch (opt) {
        case OPT_REQ_FILE_PATH_NUM:
            env.req_path = optarg;
            break;

        case OPT_RSP_FILE_PATH_NUM:
            env.rsp_path = optarg;
            break;

        case OPT_FOLDER_NUM:
            env.is_path_folder = 1;
            break;

        case OPT_CRYPTODEV_NUM:
            ret = parse_cryptodev_arg(optarg);
            if (ret < 0) {
                cryptodev_fips_validate_usage(prgname);
                return -EINVAL;
            }
            break;

        case OPT_CRYPTODEV_ID_NUM:
            ret = parse_cryptodev_id_arg(optarg);
            if (ret < 0) {
                cryptodev_fips_validate_usage(prgname);
                return -EINVAL;
            }
            break;

        case OPT_CRYPTODEV_ST_NUM:
            env.self_test = 1;
            break;

        case OPT_CRYPTODEV_BK_ID_NUM:
            if (!env.broken_test_config) {
                env.broken_test_config = rte_malloc(
                    NULL,
                    sizeof(*env.broken_test_config),
                    0);
                if (!env.broken_test_config)
                    return -ENOMEM;

                env.broken_test_config->expect_fail_dir =
                    self_test_dir_enc_auth_gen;
            }

            if (parser_read_uint32(
                &env.broken_test_config->expect_fail_test_idx,
                    optarg) < 0) {
                rte_free(env.broken_test_config);
                cryptodev_fips_validate_usage(prgname);
                return -EINVAL;
            }
            break;

        case OPT_CRYPTODEV_BK_DIR_KEY_NUM:
            if (!env.broken_test_config) {
                env.broken_test_config = rte_malloc(
                    NULL,
                    sizeof(*env.broken_test_config),
                    0);
                if (!env.broken_test_config)
                    return -ENOMEM;

                env.broken_test_config->expect_fail_test_idx =
                    0;
            }

            if (strcmp(optarg, "enc") == 0)
                env.broken_test_config->expect_fail_dir =
                    self_test_dir_enc_auth_gen;
            else if (strcmp(optarg, "dec")
                    == 0)
                env.broken_test_config->expect_fail_dir =
                    self_test_dir_dec_auth_verify;
            else {
                rte_free(env.broken_test_config);
                cryptodev_fips_validate_usage(prgname);
                return -EINVAL;
            }
            break;


        case OPT_MBUF_DATAROOM_NUM:
            if (parser_read_uint16(&env.mbuf_data_room,
                    optarg) < 0) {
                cryptodev_fips_validate_usage(prgname);
                return -EINVAL;
            }

            if (env.mbuf_data_room == 0) {
                cryptodev_fips_validate_usage(prgname);
                return -EINVAL;
            }
            break;

        default:
            cryptodev_fips_validate_usage(prgname);
            return -EINVAL;
        }
    }

    if ((env.req_path == NULL && env.rsp_path != NULL) ||
            (env.req_path != NULL && env.rsp_path == NULL)) {
        RTE_LOG(ERR, USER1, "Missing req path or rsp path\n");
        cryptodev_fips_validate_usage(prgname);
        return -EINVAL;
    }

    if (env.req_path == NULL && env.self_test == 0) {
        RTE_LOG(ERR, USER1, "--self-test must be set if req path is missing\n");
        cryptodev_fips_validate_usage(prgname);
        return -EINVAL;
    }

    return 0;
}

int
main(int argc, char *argv[])
{
    int ret;

    ret = rte_eal_init(argc, argv);
    if (ret < 0) {
        RTE_LOG(ERR, USER1, "Error %i: Failed init\n", ret);
        return -1;
    }

    argc -= ret;
    argv += ret;

    ret = cryptodev_fips_validate_parse_args(argc, argv);
    if (ret < 0)
        rte_exit(EXIT_FAILURE, "Failed to parse arguments!\n");

    ret = cryptodev_fips_validate_app_int();
    if (ret < 0) {
        RTE_LOG(ERR, USER1, "Error %i: Failed init\n", ret);
        return -1;
    }

    if (env.req_path == NULL || env.rsp_path == NULL) {
        printf("No request, exit.\n");
        goto exit;
    }

    if (!env.is_path_folder) {
        printf("Processing file %s... ", env.req_path);

        ret = fips_test_init(env.req_path, env.rsp_path,
            rte_cryptodev_name_get(env.dev_id));
        if (ret < 0) {
            RTE_LOG(ERR, USER1, "Error %i: Failed test %s\n",
                    ret, env.req_path);
            goto exit;
        }

#ifdef USE_JANSSON
        if (info.file_type == FIPS_TYPE_JSON) {
            ret = fips_test_one_json_file();
            json_decref(json_info.json_root);
        }  else {
            ret = fips_test_one_file();
        }
#else /* USE_JANSSON */
        ret = fips_test_one_file();
#endif /* USE_JANSSON */

        if (ret < 0) {
            RTE_LOG(ERR, USER1, "Error %i: Failed test %s\n",
                    ret, env.req_path);
            goto exit;
        }

        printf("Done\n");

    } else {
        struct dirent *dir;
        DIR *d_req, *d_rsp;
        char req_path[1024];
        char rsp_path[1024];

        d_req = opendir(env.req_path);
        if (!d_req) {
            RTE_LOG(ERR, USER1, "Error %i: Path %s not exist\n",
                    -EINVAL, env.req_path);
            goto exit;
        }

        d_rsp = opendir(env.rsp_path);
        if (!d_rsp) {
            ret = mkdir(env.rsp_path, 0700);
            if (ret == 0)
                d_rsp = opendir(env.rsp_path);
            else {
                RTE_LOG(ERR, USER1, "Error %i: Invalid %s\n",
                        -EINVAL, env.rsp_path);
                goto exit;
            }
        }
        closedir(d_rsp);

        while ((dir = readdir(d_req)) != NULL) {
            if (strstr(dir->d_name, "req") == NULL)
                continue;

            snprintf(req_path, 1023, "%s/%s", env.req_path,
                    dir->d_name);
            snprintf(rsp_path, 1023, "%s/%s", env.rsp_path,
                    dir->d_name);
            strlcpy(strstr(rsp_path, "req"), "rsp", 4);

            printf("Processing file %s... ", req_path);

            ret = fips_test_init(req_path, rsp_path,
            rte_cryptodev_name_get(env.dev_id));
            if (ret < 0) {
                RTE_LOG(ERR, USER1, "Error %i: Failed test %s\n",
                        ret, req_path);
                break;
            }

#ifdef USE_JANSSON
            if (info.file_type == FIPS_TYPE_JSON) {
                ret = fips_test_one_json_file();
                json_decref(json_info.json_root);
            } else {
                ret = fips_test_one_file();
            }
#else /* USE_JANSSON */
            ret = fips_test_one_file();
#endif /* USE_JANSSON */

            if (ret < 0) {
                RTE_LOG(ERR, USER1, "Error %i: Failed test %s\n",
                        ret, req_path);
                break;
            }

            printf("Done\n");
        }

        closedir(d_req);
    }


exit:
    fips_test_clear();
    cryptodev_fips_validate_app_uninit();

    /* clean up the EAL */
    rte_eal_cleanup();

    return ret;

}

#define IV_OFF (sizeof(struct rte_crypto_op) + sizeof(struct rte_crypto_sym_op))
#define CRYPTODEV_FIPS_MAX_RETRIES  16

struct fips_test_ops test_ops;

static int
prepare_data_mbufs(struct fips_val *val)
{
    struct rte_mbuf *m, *head = 0;
    uint8_t *src = val->val;
    uint32_t total_len = val->len;
    uint16_t nb_seg;
    int ret = 0;

    rte_pktmbuf_free(env.mbuf);

    if (total_len > RTE_MBUF_MAX_NB_SEGS) {
        RTE_LOG(ERR, USER1, "Data len %u too big\n", total_len);
        return -EPERM;
    }

    nb_seg = total_len / env.mbuf_data_room;
    if (total_len % env.mbuf_data_room)
        nb_seg++;

    m = rte_pktmbuf_alloc(env.mpool);
    if (!m) {
        RTE_LOG(ERR, USER1, "Error %i: Not enough mbuf\n",
                -ENOMEM);
        return -ENOMEM;
    }
    head = m;

    while (nb_seg) {
        uint16_t len = RTE_MIN(total_len, env.mbuf_data_room);
        uint8_t *dst = (uint8_t *)rte_pktmbuf_append(m, len);

        if (!dst) {
            RTE_LOG(ERR, USER1, "Error %i: MBUF too small\n",
                    -ENOMEM);
            ret = -ENOMEM;
            goto error_exit;
        }

        memcpy(dst, src, len);

        if (head != m) {
            ret = rte_pktmbuf_chain(head, m);
            if (ret) {
                rte_pktmbuf_free(m);
                RTE_LOG(ERR, USER1, "Error %i: SGL build\n",
                        ret);
                goto error_exit;
            }
        }
        total_len -= len;

        if (total_len) {
            if (!env.dev_support_sgl) {
                RTE_LOG(ERR, USER1, "SGL not supported\n");
                ret = -EPERM;
                goto error_exit;
            }

            m = rte_pktmbuf_alloc(env.mpool);
            if (!m) {
                RTE_LOG(ERR, USER1, "Error %i: No memory\n",
                        -ENOMEM);
                goto error_exit;
            }
        } else
            break;

        src += len;
        nb_seg--;
    }

    if (total_len) {
        RTE_LOG(ERR, USER1, "Error %i: Failed to store all data\n",
                -ENOMEM);
        goto error_exit;
    }

    env.mbuf = head;

    return 0;

error_exit:
    rte_pktmbuf_free(head);
    return ret;
}

static int
prepare_cipher_op(void)
{
    struct rte_crypto_sym_op *sym = env.op->sym;
    uint8_t *iv = rte_crypto_op_ctod_offset(env.op, uint8_t *, IV_OFF);
    int ret;

    __rte_crypto_op_reset(env.op, RTE_CRYPTO_OP_TYPE_SYMMETRIC);

    memcpy(iv, vec.iv.val, vec.iv.len);

    if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
        ret = prepare_data_mbufs(&vec.pt);
        if (ret < 0)
            return ret;

        sym->cipher.data.length = vec.pt.len;
    } else {
        ret = prepare_data_mbufs(&vec.ct);
        if (ret < 0)
            return ret;

        sym->cipher.data.length = vec.ct.len;
    }

    rte_crypto_op_attach_sym_session(env.op, env.sess);

    sym->m_src = env.mbuf;
    sym->cipher.data.offset = 0;

    return 0;
}

int
prepare_auth_op(void)
{
    struct rte_crypto_sym_op *sym = env.op->sym;
    int ret;

    __rte_crypto_op_reset(env.op, RTE_CRYPTO_OP_TYPE_SYMMETRIC);

    if (vec.iv.len) {
        uint8_t *iv = rte_crypto_op_ctod_offset(env.op, uint8_t *,
                IV_OFF);
        memset(iv, 0, vec.iv.len);
        if (vec.iv.val)
            memcpy(iv, vec.iv.val, vec.iv.len);
    }

    ret = prepare_data_mbufs(&vec.pt);
    if (ret < 0)
        return ret;

    rte_free(env.digest);

    env.digest = rte_zmalloc(NULL, vec.cipher_auth.digest.len,
            RTE_CACHE_LINE_SIZE);
    if (!env.digest) {
        RTE_LOG(ERR, USER1, "Not enough memory\n");
        return -ENOMEM;
    }
    env.digest_len = vec.cipher_auth.digest.len;

    sym->m_src = env.mbuf;
    sym->auth.data.offset = 0;
    sym->auth.data.length = vec.pt.len;
    sym->auth.digest.data = env.digest;
    sym->auth.digest.phys_addr = rte_malloc_virt2iova(env.digest);

    if (info.op == FIPS_TEST_DEC_AUTH_VERIF)
        memcpy(env.digest, vec.cipher_auth.digest.val,
                vec.cipher_auth.digest.len);

    rte_crypto_op_attach_sym_session(env.op, env.sess);

    return 0;
}

int
prepare_aead_op(void)
{
    struct rte_crypto_sym_op *sym = env.op->sym;
    uint8_t *iv = rte_crypto_op_ctod_offset(env.op, uint8_t *, IV_OFF);
    int ret;

    __rte_crypto_op_reset(env.op, RTE_CRYPTO_OP_TYPE_SYMMETRIC);

    if (info.algo == FIPS_TEST_ALGO_AES_CCM)
        iv++;

    if (vec.iv.val)
        memcpy(iv, vec.iv.val, vec.iv.len);
    else
        /* if REQ file has iv length but not data, default as all 0 */
        memset(iv, 0, vec.iv.len);

    if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
        ret = prepare_data_mbufs(&vec.pt);
        if (ret < 0)
            return ret;

        rte_free(env.digest);
        env.digest = rte_zmalloc(NULL, vec.aead.digest.len,
                RTE_CACHE_LINE_SIZE);
        if (!env.digest) {
            RTE_LOG(ERR, USER1, "Not enough memory\n");
            return -ENOMEM;
        }
        env.digest_len = vec.cipher_auth.digest.len;

        sym->aead.data.length = vec.pt.len;
        sym->aead.digest.data = env.digest;
        sym->aead.digest.phys_addr = rte_malloc_virt2iova(env.digest);
    } else {
        ret = prepare_data_mbufs(&vec.ct);
        if (ret < 0)
            return ret;

        sym->aead.data.length = vec.ct.len;
        sym->aead.digest.data = vec.aead.digest.val;
        sym->aead.digest.phys_addr = rte_malloc_virt2iova(
                sym->aead.digest.data);
    }

    sym->m_src = env.mbuf;
    sym->aead.data.offset = 0;
    sym->aead.aad.data = vec.aead.aad.val;
    sym->aead.aad.phys_addr = rte_malloc_virt2iova(sym->aead.aad.data);

    rte_crypto_op_attach_sym_session(env.op, env.sess);

    return 0;
}

static int
prepare_aes_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_cipher_xform *cipher_xform = &xform->cipher;

    xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER;

    if (info.interim_info.aes_data.cipher_algo == RTE_CRYPTO_CIPHER_AES_CBC)
        cipher_xform->algo = RTE_CRYPTO_CIPHER_AES_CBC;
    else
        cipher_xform->algo = RTE_CRYPTO_CIPHER_AES_ECB;

    cipher_xform->op = (info.op == FIPS_TEST_ENC_AUTH_GEN) ?
            RTE_CRYPTO_CIPHER_OP_ENCRYPT :
            RTE_CRYPTO_CIPHER_OP_DECRYPT;
    cipher_xform->key.data = vec.cipher_auth.key.val;
    cipher_xform->key.length = vec.cipher_auth.key.len;
    if (cipher_xform->algo == RTE_CRYPTO_CIPHER_AES_CBC) {
        cipher_xform->iv.length = vec.iv.len;
        cipher_xform->iv.offset = IV_OFF;
    } else {
        cipher_xform->iv.length = 0;
        cipher_xform->iv.offset = 0;
    }
    cap_idx.algo.cipher = cipher_xform->algo;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_cipher(cap,
            cipher_xform->key.length,
            cipher_xform->iv.length) != 0) {
        RTE_LOG(ERR, USER1, "PMD %s key length %u IV length %u\n",
                info.device_name, cipher_xform->key.length,
                cipher_xform->iv.length);
        return -EPERM;
    }

    return 0;
}

static int
prepare_tdes_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_cipher_xform *cipher_xform = &xform->cipher;

    xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER;

    if (info.interim_info.tdes_data.test_mode == TDES_MODE_CBC)
        cipher_xform->algo = RTE_CRYPTO_CIPHER_3DES_CBC;
    else
        cipher_xform->algo = RTE_CRYPTO_CIPHER_3DES_ECB;
    cipher_xform->op = (info.op == FIPS_TEST_ENC_AUTH_GEN) ?
            RTE_CRYPTO_CIPHER_OP_ENCRYPT :
            RTE_CRYPTO_CIPHER_OP_DECRYPT;
    cipher_xform->key.data = vec.cipher_auth.key.val;
    cipher_xform->key.length = vec.cipher_auth.key.len;

    if (cipher_xform->algo == RTE_CRYPTO_CIPHER_3DES_CBC) {
        cipher_xform->iv.length = vec.iv.len;
        cipher_xform->iv.offset = IV_OFF;
    } else {
        cipher_xform->iv.length = 0;
        cipher_xform->iv.offset = 0;
    }
    cap_idx.algo.cipher = cipher_xform->algo;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_cipher(cap,
            cipher_xform->key.length,
            cipher_xform->iv.length) != 0) {
        RTE_LOG(ERR, USER1, "PMD %s key length %u IV length %u\n",
                info.device_name, cipher_xform->key.length,
                cipher_xform->iv.length);
        return -EPERM;
    }

    return 0;
}

static int
prepare_hmac_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_auth_xform *auth_xform = &xform->auth;

    xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;

    auth_xform->algo = info.interim_info.hmac_data.algo;
    auth_xform->op = RTE_CRYPTO_AUTH_OP_GENERATE;
    auth_xform->digest_length = vec.cipher_auth.digest.len;
    auth_xform->key.data = vec.cipher_auth.key.val;
    auth_xform->key.length = vec.cipher_auth.key.len;

    cap_idx.algo.auth = auth_xform->algo;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_auth(cap,
            auth_xform->key.length,
            auth_xform->digest_length, 0) != 0) {
        RTE_LOG(ERR, USER1, "PMD %s key length %u IV length %u\n",
                info.device_name, auth_xform->key.length,
                auth_xform->digest_length);
        return -EPERM;
    }

    return 0;
}

int
prepare_gcm_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_aead_xform *aead_xform = &xform->aead;

    xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;

    aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM;
    aead_xform->aad_length = vec.aead.aad.len;
    aead_xform->digest_length = vec.aead.digest.len;
    aead_xform->iv.offset = IV_OFF;
    aead_xform->iv.length = vec.iv.len;
    aead_xform->key.data = vec.aead.key.val;
    aead_xform->key.length = vec.aead.key.len;
    aead_xform->op = (info.op == FIPS_TEST_ENC_AUTH_GEN) ?
            RTE_CRYPTO_AEAD_OP_ENCRYPT :
            RTE_CRYPTO_AEAD_OP_DECRYPT;

    cap_idx.algo.aead = aead_xform->algo;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_AEAD;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_aead(cap,
            aead_xform->key.length,
            aead_xform->digest_length, aead_xform->aad_length,
            aead_xform->iv.length) != 0) {
        RTE_LOG(ERR, USER1,
            "PMD %s key_len %u tag_len %u aad_len %u iv_len %u\n",
                info.device_name, aead_xform->key.length,
                aead_xform->digest_length,
                aead_xform->aad_length,
                aead_xform->iv.length);
        return -EPERM;
    }

    return 0;
}

int
prepare_gmac_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_auth_xform *auth_xform = &xform->auth;

    xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;

    auth_xform->algo = RTE_CRYPTO_AUTH_AES_GMAC;
    auth_xform->op = (info.op == FIPS_TEST_ENC_AUTH_GEN) ?
            RTE_CRYPTO_AUTH_OP_GENERATE :
            RTE_CRYPTO_AUTH_OP_VERIFY;
    auth_xform->iv.offset = IV_OFF;
    auth_xform->iv.length = vec.iv.len;
    auth_xform->digest_length = vec.aead.digest.len;
    auth_xform->key.data = vec.aead.key.val;
    auth_xform->key.length = vec.aead.key.len;

    cap_idx.algo.auth = auth_xform->algo;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_auth(cap,
            auth_xform->key.length,
            auth_xform->digest_length,
            auth_xform->iv.length) != 0) {

        RTE_LOG(ERR, USER1,
            "PMD %s key length %u Digest length %u IV length %u\n",
                info.device_name, auth_xform->key.length,
                auth_xform->digest_length,
                auth_xform->iv.length);
        return -EPERM;
    }

    return 0;
}

static int
prepare_cmac_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_auth_xform *auth_xform = &xform->auth;

    xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;

    auth_xform->algo = RTE_CRYPTO_AUTH_AES_CMAC;
    auth_xform->op = (info.op == FIPS_TEST_ENC_AUTH_GEN) ?
            RTE_CRYPTO_AUTH_OP_GENERATE : RTE_CRYPTO_AUTH_OP_VERIFY;
    auth_xform->digest_length = vec.cipher_auth.digest.len;
    auth_xform->key.data = vec.cipher_auth.key.val;
    auth_xform->key.length = vec.cipher_auth.key.len;

    cap_idx.algo.auth = auth_xform->algo;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_auth(cap,
            auth_xform->key.length,
            auth_xform->digest_length, 0) != 0) {
        RTE_LOG(ERR, USER1, "PMD %s key length %u IV length %u\n",
                info.device_name, auth_xform->key.length,
                auth_xform->digest_length);
        return -EPERM;
    }

    return 0;
}

static int
prepare_ccm_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_aead_xform *aead_xform = &xform->aead;

    xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;

    aead_xform->algo = RTE_CRYPTO_AEAD_AES_CCM;
    aead_xform->aad_length = vec.aead.aad.len;
    aead_xform->digest_length = vec.aead.digest.len;
    aead_xform->iv.offset = IV_OFF;
    aead_xform->iv.length = vec.iv.len;
    aead_xform->key.data = vec.aead.key.val;
    aead_xform->key.length = vec.aead.key.len;
    aead_xform->op = (info.op == FIPS_TEST_ENC_AUTH_GEN) ?
            RTE_CRYPTO_AEAD_OP_ENCRYPT :
            RTE_CRYPTO_AEAD_OP_DECRYPT;

    cap_idx.algo.aead = aead_xform->algo;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_AEAD;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_aead(cap,
            aead_xform->key.length,
            aead_xform->digest_length, aead_xform->aad_length,
            aead_xform->iv.length) != 0) {
        RTE_LOG(ERR, USER1,
            "PMD %s key_len %u tag_len %u aad_len %u iv_len %u\n",
                info.device_name, aead_xform->key.length,
                aead_xform->digest_length,
                aead_xform->aad_length,
                aead_xform->iv.length);
        return -EPERM;
    }

    return 0;
}

static int
prepare_sha_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_auth_xform *auth_xform = &xform->auth;

    xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;

    auth_xform->algo = info.interim_info.sha_data.algo;
    auth_xform->op = RTE_CRYPTO_AUTH_OP_GENERATE;
    auth_xform->digest_length = vec.cipher_auth.digest.len;

    cap_idx.algo.auth = auth_xform->algo;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_auth(cap,
            auth_xform->key.length,
            auth_xform->digest_length, 0) != 0) {
        RTE_LOG(ERR, USER1, "PMD %s key length %u digest length %u\n",
                info.device_name, auth_xform->key.length,
                auth_xform->digest_length);
        return -EPERM;
    }

    return 0;
}

static int
prepare_xts_xform(struct rte_crypto_sym_xform *xform)
{
    const struct rte_cryptodev_symmetric_capability *cap;
    struct rte_cryptodev_sym_capability_idx cap_idx;
    struct rte_crypto_cipher_xform *cipher_xform = &xform->cipher;

    xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER;

    cipher_xform->algo = RTE_CRYPTO_CIPHER_AES_XTS;
    cipher_xform->op = (info.op == FIPS_TEST_ENC_AUTH_GEN) ?
            RTE_CRYPTO_CIPHER_OP_ENCRYPT :
            RTE_CRYPTO_CIPHER_OP_DECRYPT;
    cipher_xform->key.data = vec.cipher_auth.key.val;
    cipher_xform->key.length = vec.cipher_auth.key.len;
    cipher_xform->iv.length = vec.iv.len;
    cipher_xform->iv.offset = IV_OFF;

    cap_idx.algo.cipher = RTE_CRYPTO_CIPHER_AES_XTS;
    cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;

    cap = rte_cryptodev_sym_capability_get(env.dev_id, &cap_idx);
    if (!cap) {
        RTE_LOG(ERR, USER1, "Failed to get capability for cdev %u\n",
                env.dev_id);
        return -EINVAL;
    }

    if (rte_cryptodev_sym_capability_check_cipher(cap,
            cipher_xform->key.length,
            cipher_xform->iv.length) != 0) {
        RTE_LOG(ERR, USER1, "PMD %s key length %u IV length %u\n",
                info.device_name, cipher_xform->key.length,
                cipher_xform->iv.length);
        return -EPERM;
    }

    return 0;
}

static int
get_writeback_data(struct fips_val *val)
{
    struct rte_mbuf *m = env.mbuf;
    uint16_t data_len = rte_pktmbuf_pkt_len(m);
    uint16_t total_len = data_len + env.digest_len;
    uint8_t *src, *dst, *wb_data;

    /* in case val is reused for MCT test, try to free the buffer first */
    if (val->val) {
        free(val->val);
        val->val = NULL;
    }

    wb_data = dst = calloc(1, total_len);
    if (!dst) {
        RTE_LOG(ERR, USER1, "Error %i: Not enough memory\n", -ENOMEM);
        return -ENOMEM;
    }

    while (m && data_len) {
        uint16_t seg_len = RTE_MIN(rte_pktmbuf_data_len(m), data_len);

        src = rte_pktmbuf_mtod(m, uint8_t *);
        memcpy(dst, src, seg_len);
        m = m->next;
        data_len -= seg_len;
        dst += seg_len;
    }

    if (data_len) {
        RTE_LOG(ERR, USER1, "Error -1: write back data\n");
        free(wb_data);
        return -1;
    }

    if (env.digest)
        memcpy(dst, env.digest, env.digest_len);

    val->val = wb_data;
    val->len = total_len;

    return 0;
}

static int
fips_run_test(void)
{
    struct rte_crypto_sym_xform xform = {0};
    uint16_t n_deqd;
    int ret;

    ret = test_ops.prepare_xform(&xform);
    if (ret < 0)
        return ret;

    env.sess = rte_cryptodev_sym_session_create(env.sess_mpool);
    if (!env.sess)
        return -ENOMEM;

    ret = rte_cryptodev_sym_session_init(env.dev_id,
            env.sess, &xform, env.sess_priv_mpool);
    if (ret < 0) {
        RTE_LOG(ERR, USER1, "Error %i: Init session\n",
                ret);
        goto exit;
    }

    ret = test_ops.prepare_op();
    if (ret < 0) {
        RTE_LOG(ERR, USER1, "Error %i: Prepare op\n",
                ret);
        goto exit;
    }

    if (rte_cryptodev_enqueue_burst(env.dev_id, 0, &env.op, 1) < 1) {
        RTE_LOG(ERR, USER1, "Error: Failed enqueue\n");
        ret = -1;
        goto exit;
    }

    do {
        struct rte_crypto_op *deqd_op;

        n_deqd = rte_cryptodev_dequeue_burst(env.dev_id, 0, &deqd_op,
                1);
    } while (n_deqd == 0);

    vec.status = env.op->status;

exit:
    rte_cryptodev_sym_session_clear(env.dev_id, env.sess);
    rte_cryptodev_sym_session_free(env.sess);
    env.sess = NULL;

    return ret;
}

static int
fips_generic_test(void)
{
    struct fips_val val = {NULL, 0};
    int ret;

    if (info.file_type != FIPS_TYPE_JSON)
        fips_test_write_one_case();

    ret = fips_run_test();
    if (ret < 0) {
        if (ret == -EPERM || ret == -ENOTSUP) {
            if (info.file_type == FIPS_TYPE_JSON)
                return ret;

            fprintf(info.fp_wr, "Bypass\n\n");
            return 0;
        }

        return ret;
    }

    ret = get_writeback_data(&val);
    if (ret < 0)
        return ret;

    switch (info.file_type) {
    case FIPS_TYPE_REQ:
    case FIPS_TYPE_RSP:
    case FIPS_TYPE_JSON:
        if (info.parse_writeback == NULL)
            return -EPERM;
        ret = info.parse_writeback(&val);
        if (ret < 0)
            return ret;
        break;
    case FIPS_TYPE_FAX:
        if (info.kat_check == NULL)
            return -EPERM;
        ret = info.kat_check(&val);
        if (ret < 0)
            return ret;
        break;
    default:
        break;
    }

    if (info.file_type != FIPS_TYPE_JSON)
        fprintf(info.fp_wr, "\n");
    free(val.val);

    return 0;
}

static int
fips_mct_tdes_test(void)
{
#define TDES_BLOCK_SIZE     8
#define TDES_EXTERN_ITER    400
#define TDES_INTERN_ITER    10000
    struct fips_val val = {NULL, 0}, val_key;
    uint8_t prev_out[TDES_BLOCK_SIZE] = {0};
    uint8_t prev_prev_out[TDES_BLOCK_SIZE] = {0};
    uint8_t prev_in[TDES_BLOCK_SIZE] = {0};
    uint32_t i, j, k;
    int ret;
    int test_mode = info.interim_info.tdes_data.test_mode;

    for (i = 0; i < TDES_EXTERN_ITER; i++) {
        if ((i == 0) && (info.version == 21.4f)) {
            if (!(strstr(info.vec[0], "COUNT")))
                fprintf(info.fp_wr, "%s%u\n", "COUNT = ", 0);
        }

        if (i != 0)
            update_info_vec(i);

        fips_test_write_one_case();

        for (j = 0; j < TDES_INTERN_ITER; j++) {
            ret = fips_run_test();
            if (ret < 0) {
                if (ret == -EPERM) {
                    if (info.file_type == FIPS_TYPE_JSON)
                        return ret;

                    fprintf(info.fp_wr, "Bypass\n");
                    return 0;
                }
                return ret;
            }

            ret = get_writeback_data(&val);
            if (ret < 0)
                return ret;

            if (info.op == FIPS_TEST_DEC_AUTH_VERIF)
                memcpy(prev_in, vec.ct.val, TDES_BLOCK_SIZE);

            if (j == 0) {
                memcpy(prev_out, val.val, TDES_BLOCK_SIZE);

                if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
                    if (test_mode == TDES_MODE_ECB) {
                        memcpy(vec.pt.val, val.val,
                               TDES_BLOCK_SIZE);
                    } else {
                        memcpy(vec.pt.val, vec.iv.val,
                               TDES_BLOCK_SIZE);
                        memcpy(vec.iv.val, val.val,
                               TDES_BLOCK_SIZE);
                    }

                } else {
                    if (test_mode == TDES_MODE_ECB) {
                        memcpy(vec.ct.val, val.val,
                               TDES_BLOCK_SIZE);
                    } else {
                        memcpy(vec.iv.val, vec.ct.val,
                               TDES_BLOCK_SIZE);
                        memcpy(vec.ct.val, val.val,
                               TDES_BLOCK_SIZE);
                    }
                }
                continue;
            }

            if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
                if (test_mode == TDES_MODE_ECB) {
                    memcpy(vec.pt.val, val.val,
                           TDES_BLOCK_SIZE);
                } else {
                    memcpy(vec.iv.val, val.val,
                           TDES_BLOCK_SIZE);
                    memcpy(vec.pt.val, prev_out,
                           TDES_BLOCK_SIZE);
                }
            } else {
                if (test_mode == TDES_MODE_ECB) {
                    memcpy(vec.ct.val, val.val,
                           TDES_BLOCK_SIZE);
                } else {
                    memcpy(vec.iv.val, vec.ct.val,
                           TDES_BLOCK_SIZE);
                    memcpy(vec.ct.val, val.val,
                           TDES_BLOCK_SIZE);
                }
            }

            if (j == TDES_INTERN_ITER - 1)
                continue;

            memcpy(prev_out, val.val, TDES_BLOCK_SIZE);

            if (j == TDES_INTERN_ITER - 3)
                memcpy(prev_prev_out, val.val, TDES_BLOCK_SIZE);
        }

        info.parse_writeback(&val);
        fprintf(info.fp_wr, "\n");

        if (i == TDES_EXTERN_ITER - 1)
            continue;

        memcpy(&val_key, &vec.cipher_auth.key, sizeof(val_key));

        if (info.interim_info.tdes_data.nb_keys == 0) {
            if (memcmp(val_key.val, val_key.val + 8, 8) == 0)
                info.interim_info.tdes_data.nb_keys = 1;
            else if (memcmp(val_key.val, val_key.val + 16, 8) == 0)
                info.interim_info.tdes_data.nb_keys = 2;
            else
                info.interim_info.tdes_data.nb_keys = 3;

        }

        for (k = 0; k < TDES_BLOCK_SIZE; k++) {

            switch (info.interim_info.tdes_data.nb_keys) {
            case 3:
                val_key.val[k] ^= val.val[k];
                val_key.val[k + 8] ^= prev_out[k];
                val_key.val[k + 16] ^= prev_prev_out[k];
                break;
            case 2:
                val_key.val[k] ^= val.val[k];
                val_key.val[k + 8] ^= prev_out[k];
                val_key.val[k + 16] ^= val.val[k];
                break;
            default: /* case 1 */
                val_key.val[k] ^= val.val[k];
                val_key.val[k + 8] ^= val.val[k];
                val_key.val[k + 16] ^= val.val[k];
                break;
            }

        }

        for (k = 0; k < 24; k++)
            val_key.val[k] = (__builtin_popcount(val_key.val[k]) &
                    0x1) ?
                    val_key.val[k] : (val_key.val[k] ^ 0x1);

        if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
            if (test_mode == TDES_MODE_ECB) {
                memcpy(vec.pt.val, val.val, TDES_BLOCK_SIZE);
            } else {
                memcpy(vec.iv.val, val.val, TDES_BLOCK_SIZE);
                memcpy(vec.pt.val, prev_out, TDES_BLOCK_SIZE);
            }
        } else {
            if (test_mode == TDES_MODE_ECB) {
                memcpy(vec.ct.val, val.val, TDES_BLOCK_SIZE);
            } else {
                memcpy(vec.iv.val, prev_out, TDES_BLOCK_SIZE);
                memcpy(vec.ct.val, val.val, TDES_BLOCK_SIZE);
            }
        }
    }

    free(val.val);

    return 0;
}

static int
fips_mct_aes_ecb_test(void)
{
#define AES_BLOCK_SIZE  16
#define AES_EXTERN_ITER 100
#define AES_INTERN_ITER 1000
    struct fips_val val = {NULL, 0}, val_key;
    uint8_t prev_out[AES_BLOCK_SIZE] = {0};
    uint32_t i, j, k;
    int ret;

    for (i = 0; i < AES_EXTERN_ITER; i++) {
        if (i != 0)
            update_info_vec(i);

        fips_test_write_one_case();

        for (j = 0; j < AES_INTERN_ITER; j++) {
            ret = fips_run_test();
            if (ret < 0) {
                if (ret == -EPERM) {
                    if (info.file_type == FIPS_TYPE_JSON)
                        return ret;

                    fprintf(info.fp_wr, "Bypass\n");
                    return 0;
                }

                return ret;
            }

            ret = get_writeback_data(&val);
            if (ret < 0)
                return ret;

            if (info.op == FIPS_TEST_ENC_AUTH_GEN)
                memcpy(vec.pt.val, val.val, AES_BLOCK_SIZE);
            else
                memcpy(vec.ct.val, val.val, AES_BLOCK_SIZE);

            if (j == AES_INTERN_ITER - 1)
                continue;

            memcpy(prev_out, val.val, AES_BLOCK_SIZE);
        }

        info.parse_writeback(&val);
        fprintf(info.fp_wr, "\n");

        if (i == AES_EXTERN_ITER - 1)
            continue;

        memcpy(&val_key, &vec.cipher_auth.key, sizeof(val_key));
        for (k = 0; k < vec.cipher_auth.key.len; k++) {
            switch (vec.cipher_auth.key.len) {
            case 16:
                val_key.val[k] ^= val.val[k];
                break;
            case 24:
                if (k < 8)
                    val_key.val[k] ^= prev_out[k + 8];
                else
                    val_key.val[k] ^= val.val[k - 8];
                break;
            case 32:
                if (k < 16)
                    val_key.val[k] ^= prev_out[k];
                else
                    val_key.val[k] ^= val.val[k - 16];
                break;
            default:
                return -1;
            }
        }
    }

    free(val.val);

    return 0;
}
static int
fips_mct_aes_test(void)
{
#define AES_BLOCK_SIZE  16
#define AES_EXTERN_ITER 100
#define AES_INTERN_ITER 1000
    struct fips_val val[3] = {{NULL, 0},}, val_key,  pt, ct, iv;
    uint8_t prev_out[AES_BLOCK_SIZE] = {0};
    uint8_t prev_in[AES_BLOCK_SIZE] = {0};
    uint32_t i, j, k;
    int ret;

    if (info.interim_info.aes_data.cipher_algo == RTE_CRYPTO_CIPHER_AES_ECB)
        return fips_mct_aes_ecb_test();

    memset(&pt, 0, sizeof(struct fips_val));
    memset(&ct, 0, sizeof(struct fips_val));
    memset(&iv, 0, sizeof(struct fips_val));
    for (i = 0; i < AES_EXTERN_ITER; i++) {
        if (info.file_type != FIPS_TYPE_JSON) {
            if (i != 0)
                update_info_vec(i);

            fips_test_write_one_case();
        }

        for (j = 0; j < AES_INTERN_ITER; j++) {
            ret = fips_run_test();
            if (ret < 0) {
                if (ret == -EPERM) {
                    if (info.file_type == FIPS_TYPE_JSON)
                        return ret;

                    fprintf(info.fp_wr, "Bypass\n");
                    return 0;
                }

                return ret;
            }

            ret = get_writeback_data(&val[0]);
            if (ret < 0)
                return ret;

            if (info.op == FIPS_TEST_DEC_AUTH_VERIF)
                memcpy(prev_in, vec.ct.val, AES_BLOCK_SIZE);

            if (j == 0) {
                memcpy(prev_out, val[0].val, AES_BLOCK_SIZE);
                pt.len = vec.pt.len;
                pt.val = calloc(1, pt.len);
                memcpy(pt.val, vec.pt.val, pt.len);

                ct.len = vec.ct.len;
                ct.val = calloc(1, ct.len);
                memcpy(ct.val, vec.ct.val, ct.len);

                iv.len = vec.iv.len;
                iv.val = calloc(1, iv.len);
                memcpy(iv.val, vec.iv.val, iv.len);

                if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
                    memcpy(vec.pt.val, vec.iv.val, AES_BLOCK_SIZE);
                    memcpy(vec.iv.val, val[0].val, AES_BLOCK_SIZE);
                    val[1].val = pt.val;
                    val[1].len = pt.len;
                    val[2].val = iv.val;
                    val[2].len = iv.len;
                } else {
                    memcpy(vec.ct.val, vec.iv.val, AES_BLOCK_SIZE);
                    memcpy(vec.iv.val, prev_in, AES_BLOCK_SIZE);
                    val[1].val = ct.val;
                    val[1].len = ct.len;
                    val[2].val = iv.val;
                    val[2].len = iv.len;
                }
                continue;
            }

            if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
                memcpy(vec.iv.val, val[0].val, AES_BLOCK_SIZE);
                memcpy(vec.pt.val, prev_out, AES_BLOCK_SIZE);
            } else {
                memcpy(vec.iv.val, prev_in, AES_BLOCK_SIZE);
                memcpy(vec.ct.val, prev_out, AES_BLOCK_SIZE);
            }

            if (j == AES_INTERN_ITER - 1)
                continue;

            memcpy(prev_out, val[0].val, AES_BLOCK_SIZE);
        }

        info.parse_writeback(val);
        if (info.file_type != FIPS_TYPE_JSON)
            fprintf(info.fp_wr, "\n");

        if (i == AES_EXTERN_ITER - 1) {
            free(pt.val);
            free(ct.val);
            free(iv.val);
            continue;
        }

        memcpy(&val_key, &vec.cipher_auth.key, sizeof(val_key));
        for (k = 0; k < vec.cipher_auth.key.len; k++) {
            switch (vec.cipher_auth.key.len) {
            case 16:
                val_key.val[k] ^= val[0].val[k];
                break;
            case 24:
                if (k < 8)
                    val_key.val[k] ^= prev_out[k + 8];
                else
                    val_key.val[k] ^= val[0].val[k - 8];
                break;
            case 32:
                if (k < 16)
                    val_key.val[k] ^= prev_out[k];
                else
                    val_key.val[k] ^= val[0].val[k - 16];
                break;
            default:
                return -1;
            }
        }

        if (info.op == FIPS_TEST_DEC_AUTH_VERIF)
            memcpy(vec.iv.val, val[0].val, AES_BLOCK_SIZE);
    }

    free(val[0].val);

    return 0;
}

static int
fips_mct_sha_test(void)
{
#define SHA_EXTERN_ITER 100
#define SHA_INTERN_ITER 1000
#define SHA_MD_BLOCK    3
    /* val[0] is op result and other value is for parse_writeback callback */
    struct fips_val val[2] = {{NULL, 0},};
    struct fips_val  md[SHA_MD_BLOCK], msg;
    char temp[MAX_DIGEST_SIZE*2];
    int ret;
    uint32_t i, j;

    msg.len = SHA_MD_BLOCK * vec.cipher_auth.digest.len;
    msg.val = calloc(1, msg.len);
    memcpy(vec.cipher_auth.digest.val, vec.pt.val, vec.cipher_auth.digest.len);
    for (i = 0; i < SHA_MD_BLOCK; i++)
        md[i].val = rte_malloc(NULL, (MAX_DIGEST_SIZE*2), 0);

    rte_free(vec.pt.val);
    vec.pt.val = rte_malloc(NULL, (MAX_DIGEST_SIZE*SHA_MD_BLOCK), 0);

    if (info.file_type != FIPS_TYPE_JSON) {
        fips_test_write_one_case();
        fprintf(info.fp_wr, "\n");
    }

    for (j = 0; j < SHA_EXTERN_ITER; j++) {

        memcpy(md[0].val, vec.cipher_auth.digest.val,
            vec.cipher_auth.digest.len);
        md[0].len = vec.cipher_auth.digest.len;
        memcpy(md[1].val, vec.cipher_auth.digest.val,
            vec.cipher_auth.digest.len);
        md[1].len = vec.cipher_auth.digest.len;
        memcpy(md[2].val, vec.cipher_auth.digest.val,
            vec.cipher_auth.digest.len);
        md[2].len = vec.cipher_auth.digest.len;

        for (i = 0; i < SHA_MD_BLOCK; i++)
            memcpy(&msg.val[i * md[i].len], md[i].val, md[i].len);

        for (i = 0; i < (SHA_INTERN_ITER); i++) {

            memcpy(vec.pt.val, md[0].val,
                (size_t)md[0].len);
            memcpy((vec.pt.val + md[0].len), md[1].val,
                (size_t)md[1].len);
            memcpy((vec.pt.val + md[0].len + md[1].len),
                md[2].val,
                (size_t)md[2].len);
            vec.pt.len = md[0].len + md[1].len + md[2].len;

            ret = fips_run_test();
            if (ret < 0) {
                if (ret == -EPERM || ret == -ENOTSUP) {
                    if (info.file_type == FIPS_TYPE_JSON)
                        return ret;

                    fprintf(info.fp_wr, "Bypass\n\n");
                    return 0;
                }
                return ret;
            }

            ret = get_writeback_data(&val[0]);
            if (ret < 0)
                return ret;

            memcpy(md[0].val, md[1].val, md[1].len);
            md[0].len = md[1].len;
            memcpy(md[1].val, md[2].val, md[2].len);
            md[1].len = md[2].len;

            memcpy(md[2].val, (val[0].val + vec.pt.len),
                vec.cipher_auth.digest.len);
            md[2].len = vec.cipher_auth.digest.len;
        }

        memcpy(vec.cipher_auth.digest.val, md[2].val, md[2].len);
        vec.cipher_auth.digest.len = md[2].len;

        if (info.file_type != FIPS_TYPE_JSON) {
            fprintf(info.fp_wr, "COUNT = %u\n", j);
            writeback_hex_str("", temp, &vec.cipher_auth.digest);
            fprintf(info.fp_wr, "MD = %s\n\n", temp);
        }
        val[1].val = msg.val;
        val[1].len = msg.len;
        info.parse_writeback(val);
    }

    for (i = 0; i < (SHA_MD_BLOCK); i++)
        rte_free(md[i].val);

    rte_free(vec.pt.val);

    free(val[0].val);
    free(msg.val);

    return 0;
}


static int
init_test_ops(void)
{
    switch (info.algo) {
    case FIPS_TEST_ALGO_AES_CBC:
    case FIPS_TEST_ALGO_AES:
        test_ops.prepare_op = prepare_cipher_op;
        test_ops.prepare_xform  = prepare_aes_xform;
        if (info.interim_info.aes_data.test_type == AESAVS_TYPE_MCT)
            test_ops.test = fips_mct_aes_test;
        else
            test_ops.test = fips_generic_test;
        break;
    case FIPS_TEST_ALGO_HMAC:
        test_ops.prepare_op = prepare_auth_op;
        test_ops.prepare_xform = prepare_hmac_xform;
        test_ops.test = fips_generic_test;
        break;
    case FIPS_TEST_ALGO_TDES:
        test_ops.prepare_op = prepare_cipher_op;
        test_ops.prepare_xform  = prepare_tdes_xform;
        if (info.interim_info.tdes_data.test_type == TDES_MCT)
            test_ops.test = fips_mct_tdes_test;
        else
            test_ops.test = fips_generic_test;
        break;
    case FIPS_TEST_ALGO_AES_GCM:
        test_ops.prepare_op = prepare_aead_op;
        test_ops.prepare_xform = prepare_gcm_xform;
        test_ops.test = fips_generic_test;
        break;
    case FIPS_TEST_ALGO_AES_CMAC:
        test_ops.prepare_op = prepare_auth_op;
        test_ops.prepare_xform = prepare_cmac_xform;
        test_ops.test = fips_generic_test;
        break;
    case FIPS_TEST_ALGO_AES_CCM:
        test_ops.prepare_op = prepare_aead_op;
        test_ops.prepare_xform = prepare_ccm_xform;
        test_ops.test = fips_generic_test;
        break;
    case FIPS_TEST_ALGO_SHA:
        test_ops.prepare_op = prepare_auth_op;
        test_ops.prepare_xform = prepare_sha_xform;
        if (info.interim_info.sha_data.test_type == SHA_MCT)
            test_ops.test = fips_mct_sha_test;
        else
            test_ops.test = fips_generic_test;
        break;
    case FIPS_TEST_ALGO_AES_XTS:
        test_ops.prepare_op = prepare_cipher_op;
        test_ops.prepare_xform = prepare_xts_xform;
        test_ops.test = fips_generic_test;
        break;
    default:
        if (strstr(info.file_name, "TECB") ||
                strstr(info.file_name, "TCBC")) {
            info.algo = FIPS_TEST_ALGO_TDES;
            test_ops.prepare_op = prepare_cipher_op;
            test_ops.prepare_xform  = prepare_tdes_xform;
            if (info.interim_info.tdes_data.test_type == TDES_MCT)
                test_ops.test = fips_mct_tdes_test;
            else
                test_ops.test = fips_generic_test;
            break;
        }
        return -1;
    }

    return 0;
}

static void
print_test_block(void)
{
    uint32_t i;

    for (i = 0; i < info.nb_vec_lines; i++)
        printf("%s\n", info.vec[i]);

    printf("\n");
}

static int
fips_test_one_file(void)
{
    int fetch_ret = 0, ret;

    ret = init_test_ops();
    if (ret < 0) {
        RTE_LOG(ERR, USER1, "Error %i: Init test op\n", ret);
        return ret;
    }

    while (ret >= 0 && fetch_ret == 0) {
        fetch_ret = fips_test_fetch_one_block();
        if (fetch_ret < 0) {
            RTE_LOG(ERR, USER1, "Error %i: Fetch block\n",
                    fetch_ret);
            ret = fetch_ret;
            goto error_one_case;
        }

        if (info.nb_vec_lines == 0) {
            if (fetch_ret == -EOF)
                break;

            fprintf(info.fp_wr, "\n");
            continue;
        }

        ret = fips_test_parse_one_case();
        switch (ret) {
        case 0:
            ret = test_ops.test();
            if (ret == 0)
                break;
            RTE_LOG(ERR, USER1, "Error %i: test block\n",
                    ret);
            goto error_one_case;
        case 1:
            break;
        default:
            RTE_LOG(ERR, USER1, "Error %i: Parse block\n",
                    ret);
            goto error_one_case;
        }

        continue;
error_one_case:
        print_test_block();
    }

    fips_test_clear();

    if (env.digest) {
        rte_free(env.digest);
        env.digest = NULL;
    }
    rte_pktmbuf_free(env.mbuf);

    return ret;
}

#ifdef USE_JANSSON
static int
fips_test_json_init_writeback(void)
{
    json_t *session_info, *session_write;
    session_info = json_array_get(json_info.json_root, 0);
    session_write = json_object();
    json_info.json_write_root = json_array();

    json_object_set(session_write, "jwt",
        json_object_get(session_info, "jwt"));
    json_object_set(session_write, "url",
        json_object_get(session_info, "url"));
    json_object_set(session_write, "isSample",
        json_object_get(session_info, "isSample"));

    json_info.is_sample = json_boolean_value(
        json_object_get(session_info, "isSample"));

    json_array_append_new(json_info.json_write_root, session_write);
    return 0;
}

static int
fips_test_one_test_case(void)
{
    int ret;

    ret = fips_test_parse_one_json_case();

    switch (ret) {
    case 0:
        ret = test_ops.test();
        if ((ret == 0) || (ret == -EPERM || ret == -ENOTSUP))
            break;
        RTE_LOG(ERR, USER1, "Error %i: test block\n",
                ret);
        break;
    default:
        RTE_LOG(ERR, USER1, "Error %i: Parse block\n",
                ret);
    }
    return ret;
}

static int
fips_test_one_test_group(void)
{
    int ret;
    json_t *tests, *write_tests;
    size_t test_idx, tests_size;

    write_tests = json_array();
    json_info.json_write_group = json_object();
    json_object_set(json_info.json_write_group, "tgId",
        json_object_get(json_info.json_test_group, "tgId"));
    json_object_set_new(json_info.json_write_group, "tests", write_tests);

    switch (info.algo) {
    case FIPS_TEST_ALGO_AES_GCM:
        ret = parse_test_gcm_json_init();
        break;
    case FIPS_TEST_ALGO_HMAC:
        ret = parse_test_hmac_json_init();
        break;
    case FIPS_TEST_ALGO_AES_CMAC:
        ret = parse_test_cmac_json_init();
        break;
    case FIPS_TEST_ALGO_AES_XTS:
        ret = parse_test_xts_json_init();
        break;
    case FIPS_TEST_ALGO_AES_CBC:
    case FIPS_TEST_ALGO_AES:
        ret = parse_test_aes_json_init();
        break;
    case FIPS_TEST_ALGO_SHA:
        ret = parse_test_sha_json_init();
        break;
    default:
        return -EINVAL;
    }

    if (ret < 0)
        return ret;

    ret = fips_test_parse_one_json_group();
    if (ret < 0)
        return ret;

    ret = init_test_ops();
    if (ret < 0)
        return ret;

    tests = json_object_get(json_info.json_test_group, "tests");
    tests_size = json_array_size(tests);
    for (test_idx = 0; test_idx < tests_size; test_idx++) {
        json_info.json_test_case = json_array_get(tests, test_idx);
        if (fips_test_one_test_case() == 0)
            json_array_append_new(write_tests, json_info.json_write_case);
    }

    return 0;
}

static int
fips_test_one_vector_set(void)
{
    int ret;
    json_t *test_groups, *write_groups, *write_version, *write_set;
    size_t group_idx, num_groups;

    test_groups = json_object_get(json_info.json_vector_set, "testGroups");
    num_groups = json_array_size(test_groups);

    json_info.json_write_set = json_array();
    write_version = json_object();
    json_object_set_new(write_version, "acvVersion", json_string(ACVVERSION));
    json_array_append_new(json_info.json_write_set, write_version);

    write_set = json_object();
    json_array_append(json_info.json_write_set, write_set);
    write_groups = json_array();

    json_object_set(write_set, "vsId",
        json_object_get(json_info.json_vector_set, "vsId"));
    json_object_set(write_set, "algorithm",
        json_object_get(json_info.json_vector_set, "algorithm"));
    json_object_set(write_set, "revision",
        json_object_get(json_info.json_vector_set, "revision"));
    json_object_set_new(write_set, "isSample",
        json_boolean(json_info.is_sample));
    json_object_set_new(write_set, "testGroups", write_groups);

    ret = fips_test_parse_one_json_vector_set();
    if (ret < 0) {
        RTE_LOG(ERR, USER1, "Error: Unsupported or invalid vector set algorithm: %s\n",
            json_string_value(json_object_get(json_info.json_vector_set, "algorithm")));
        return ret;
    }

    for (group_idx = 0; group_idx < num_groups; group_idx++) {
        json_info.json_test_group = json_array_get(test_groups, group_idx);
        ret = fips_test_one_test_group();
        json_array_append_new(write_groups, json_info.json_write_group);
    }

    return 0;
}

static int
fips_test_one_json_file(void)
{
    size_t vector_set_idx, root_size;

    root_size = json_array_size(json_info.json_root);
    fips_test_json_init_writeback();

    for (vector_set_idx = 1; vector_set_idx < root_size; vector_set_idx++) {
        /* Vector set index starts at 1, the 0th index contains test session
         * information.
         */
        json_info.json_vector_set = json_array_get(json_info.json_root, vector_set_idx);
        fips_test_one_vector_set();
        json_array_append_new(json_info.json_write_root, json_info.json_write_set);
        json_incref(json_info.json_write_set);
    }

    json_dumpf(json_info.json_write_root, info.fp_wr, JSON_INDENT(4));
    json_decref(json_info.json_write_root);

    return 0;
}
#endif /* USE_JANSSON */