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/* 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"
#define ALGO_JSON_STR "algorithm"
#define TESTTYPE_JSON_STR "testType"
#define DIR_JSON_STR "direction"
#define KEYLEN_JSON_STR "keyLen"
#define TWEAKMODE_JSON_STR "tweakMode"
#define KEY_JSON_STR "key"
#define DATAUNITLEN_JSON_STR "dataUnitLen"
#define PAYLOADLEN_JSON_STR "payloadLen"
#define TWEAKVALUE_JSON_STR "tweakValue"
#define SEQNUMBER_JSON_STR "sequenceNumber"
#define PT_JSON_STR "pt"
#define CT_JSON_STR "ct"
#define OP_ENC_JSON_STR "encrypt"
#define OP_DEC_JSON_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} /**< end pointer */
};
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} /**< end pointer */
};
struct fips_test_callback xts_writeback_callbacks[] = {
/** First element is used to pass COUNT string */
{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} /**< end pointer */
};
#ifdef USE_JANSSON
static int
parser_xts_read_keylen(const char *key, char *src, struct fips_val *val)
{
int ret;
ret = parser_read_uint32_bit_val(key, src, val);
if (ret < 0)
return ret;
val->len *= 2;
return 0;
}
static int
parser_xts_read_tweakval(const char *key, char *src, struct fips_val *val)
{
char num_str[4] = {0};
int ret;
if (info.interim_info.xts_data.tweak_mode == XTS_TWEAK_MODE_HEX) {
ret = parse_uint8_hex_str(key, src, val);
} else if (info.interim_info.xts_data.tweak_mode == XTS_TWEAK_MODE_NUMBER) {
snprintf(num_str, RTE_DIM(num_str), "%x", atoi(src));
ret = parse_uint8_hex_str(key, num_str, val);
} else {
ret = -1;
}
return ret;
}
struct fips_test_callback xts_dec_json_vectors[] = {
{KEY_JSON_STR, parse_uint8_known_len_hex_str, &vec.cipher_auth.key},
{TWEAKVALUE_JSON_STR, parser_xts_read_tweakval, &vec.iv},
{CT_JSON_STR, parse_uint8_hex_str, &vec.ct},
{NULL, NULL, NULL} /**< end pointer */
};
struct fips_test_callback xts_interim_json_vectors[] = {
{KEYLEN_JSON_STR, parser_xts_read_keylen, &vec.cipher_auth.key},
{NULL, NULL, NULL} /**< end pointer */
};
struct fips_test_callback xts_enc_json_vectors[] = {
{KEY_JSON_STR, parse_uint8_known_len_hex_str, &vec.cipher_auth.key},
{TWEAKVALUE_JSON_STR, parser_xts_read_tweakval, &vec.iv},
{SEQNUMBER_JSON_STR, parser_xts_read_tweakval, &vec.iv},
{PT_JSON_STR, parse_uint8_hex_str, &vec.pt},
{NULL, NULL, NULL} /**< end pointer */
};
static int
parse_test_xts_json_writeback(struct fips_val *val)
{
struct fips_val tmp_val;
json_t *tcId;
tcId = json_object_get(json_info.json_test_case, "tcId");
json_info.json_write_case = json_object();
json_object_set(json_info.json_write_case, "tcId", tcId);
if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
json_t *ct;
tmp_val.val = val->val;
tmp_val.len = vec.pt.len;
writeback_hex_str("", info.one_line_text, &tmp_val);
ct = json_string(info.one_line_text);
json_object_set_new(json_info.json_write_case, CT_JSON_STR, ct);
tmp_val.val = val->val + vec.pt.len;
tmp_val.len = val->len - vec.pt.len;
writeback_hex_str("", info.one_line_text, &tmp_val);
} else {
if (vec.status == RTE_CRYPTO_OP_STATUS_SUCCESS) {
tmp_val.val = val->val;
tmp_val.len = vec.ct.len;
writeback_hex_str("", info.one_line_text, &tmp_val);
json_object_set_new(json_info.json_write_case, PT_JSON_STR,
json_string(info.one_line_text));
} else {
json_object_set_new(json_info.json_write_case, "testPassed", json_false());
}
}
return 0;
}
int
parse_test_xts_json_init(void)
{
if (json_info.json_test_group) {
json_t *direction_obj, *tweakmode_obj;
const char *direction_str, *tweakmode_str;
direction_obj = json_object_get(json_info.json_test_group, DIR_JSON_STR);
direction_str = json_string_value(direction_obj);
if (strcmp(direction_str, OP_ENC_JSON_STR) == 0) {
info.op = FIPS_TEST_ENC_AUTH_GEN;
info.callbacks = xts_enc_json_vectors;
} else if (strcmp(direction_str, OP_DEC_JSON_STR) == 0) {
info.op = FIPS_TEST_DEC_AUTH_VERIF;
info.callbacks = xts_dec_json_vectors;
} else {
return -EINVAL;
}
tweakmode_obj = json_object_get(json_info.json_test_group, TWEAKMODE_JSON_STR);
tweakmode_str = json_string_value(tweakmode_obj);
if (strcmp(tweakmode_str, "hex") == 0)
info.interim_info.xts_data.tweak_mode = XTS_TWEAK_MODE_HEX;
else
info.interim_info.xts_data.tweak_mode = XTS_TWEAK_MODE_NUMBER;
info.interim_callbacks = xts_interim_json_vectors;
}
info.parse_writeback = parse_test_xts_json_writeback;
return 0;
}
#endif /* USE_JANSSON */
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;
}
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