examples/fips_validation/fips_validation_aes.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 MODE_STR    "AESVS"
#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      "IV = "
#define PT_STR      "PLAINTEXT = "
#define CT_STR      "CIPHERTEXT = "

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

struct {
    uint32_t type;
    const char *desc;
} aes_test_types[] = {
        {AESAVS_TYPE_GFXBOX, "GFSbox"},
        {AESAVS_TYPE_KEYSBOX, "KeySbox"},
        {AESAVS_TYPE_VARKEY, "VarKey"},
        {AESAVS_TYPE_VARTXT, "VarTxt"},
        {TDES_VARIABLE_TEXT, "VARIABLE PLAINTEXT/CIPHERTEXT"},
        {TDES_VARIABLE_TEXT, "KAT"},
        {AESAVS_TYPE_MMT, "MMT"},
        {AESAVS_TYPE_MCT, "MCT"},
};

struct aes_test_algo {
    const char *name;
    enum rte_crypto_cipher_algorithm algo;
} const algo_con[] = {
        {"CBC", RTE_CRYPTO_CIPHER_AES_CBC},
        {"ECB", RTE_CRYPTO_CIPHER_AES_ECB},
};

static int
parse_interim_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 aes_tests_interim[] = {
        {OP_ENC_STR, parse_interim_enc_dec, NULL},
        {OP_DEC_STR, parse_interim_enc_dec, NULL},
        {NULL, NULL, NULL} 
};

struct fips_test_callback aes_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 aes_tests_interim_vectors[] = {
        {OP_ENC_STR, parse_interim_enc_dec, NULL},
        {OP_DEC_STR, parse_interim_enc_dec, NULL},
        {NULL, NULL, NULL} 
};

struct fips_test_callback aes_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_aes_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_aes_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_aes_init(void)
{
    char *tmp;
    uint32_t i, j;

    for (i = 0; i < info.nb_vec_lines; i++) {
        char *line = info.vec[i];

        tmp = strstr(line, MODE_STR);
        if (tmp) {
            for (j = 0; j < RTE_DIM(aes_test_types); j++)
                if (strstr(line, aes_test_types[j].desc)) {
                    info.interim_info.aes_data.test_type =
                            aes_test_types[j].type;
                    break;
                }

            if (j >= RTE_DIM(aes_test_types))
                return -EINVAL;

            tmp = strstr(line, ALGO_STR);
            if (!tmp)
                return -EINVAL;

            tmp += strlen(ALGO_STR);
            for (j = 0; j < RTE_DIM(algo_con); j++)
                if (strcmp(algo_con[j].name, tmp) == 0) {
                    info.interim_info.aes_data.cipher_algo =
                        (uint32_t)algo_con[j].algo;
                    break;
                }
            if (j >= RTE_DIM(algo_con))
                return -EINVAL;

            continue;
        }

        tmp = strstr(line, OP_STR);
        if (tmp)
            continue;

        tmp = strstr(line, KEY_SIZE_STR);
        if (tmp) {
            tmp += strlen(KEY_SIZE_STR);
            if (parser_read_uint32
                    (&info.interim_info.aes_data.key_len,
                            tmp) < 0)
                return -EINVAL;

            info.interim_info.aes_data.key_len /= 8;

            continue;
        }
    }

    info.parse_writeback = parse_test_aes_writeback;
    info.callbacks = aes_tests_vectors;
    info.interim_callbacks = aes_tests_interim_vectors;
    info.writeback_callbacks = aes_writeback_callbacks;
    info.kat_check = rsp_test_aes_check;

    return 0;
}