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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Intel Corporation
*/
#include <string.h>
#include <stdio.h>
#include <rte_malloc.h>
#include <rte_cryptodev.h>
#include "fips_validation.h"
#define NEW_LINE_STR "#"
#define TEST_TYPE_KEY " for CBC"
#define TEST_CBCI_KEY " for CBCI"
#define ENC_STR "[ENCRYPT]"
#define DEC_STR "[DECRYPT]"
#define COUNT_STR "COUNT = "
#define KEY1_STR "KEY1 = "
#define KEY2_STR "KEY2 = "
#define KEY3_STR "KEY3 = "
#define KEYS_STR "KEYs = "
#define IV_STR "IV = "
#define PT_STR "PLAINTEXT = "
#define CT_STR "CIPHERTEXT = "
#define NK_STR "NumKeys = "
#define SET_STR " = "
#define PLAIN_TEXT 0
#define CIPHER_TEXT 1
#define KEY_TEXT 2
#define IV_TEXT 3
#define DEVICE_STR "# Config Info for : "
struct {
uint32_t type;
const char *desc;
} test_types[] = {
{TDES_INVERSE_PERMUTATION, "INVERSE PERMUTATION"},
{TDES_PERMUTATION, "PERMUTATION OPERATION"},
{TDES_SUBSTITUTION_TABLE, "SUBSTITUTION TABLE"},
{TDES_VARIABLE_KEY, "VARIABLE KEY"},
{TDES_VARIABLE_TEXT, "VARIABLE PLAINTEXT/CIPHERTEXT"},
{TDES_VARIABLE_TEXT, "KAT"},
{TDES_MCT, "Monte Carlo (Modes) Test"},
{TDES_MMT, "Multi block Message Test"},
};
static int
writeback_tdes_hex_str(const char *key, char *dst, struct fips_val *val);
static int
parse_tdes_uint8_hex_str(const char *key, char *src, struct fips_val *val);
static int
parse_tdes_interim(const char *key,
__attribute__((__unused__)) char *text,
struct fips_val *val);
struct fips_test_callback tdes_tests_vectors[] = {
{KEYS_STR, parse_tdes_uint8_hex_str, &vec.cipher_auth.key},
{KEY1_STR, parse_tdes_uint8_hex_str, &vec.cipher_auth.key},
{KEY2_STR, parse_tdes_uint8_hex_str, &vec.cipher_auth.key},
{KEY3_STR, parse_tdes_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 tdes_tests_interim_vectors[] = {
{ENC_STR, parse_tdes_interim, NULL},
{DEC_STR, parse_tdes_interim, NULL},
{NULL, NULL, NULL} /**< end pointer */
};
struct fips_test_callback tdes_writeback_callbacks[] = {
/** First element is used to pass COUNT string */
{COUNT_STR, NULL, NULL},
{IV_STR, writeback_hex_str, &vec.iv},
{KEY1_STR, writeback_tdes_hex_str, &vec.cipher_auth.key},
{KEY2_STR, writeback_tdes_hex_str, &vec.cipher_auth.key},
{KEY3_STR, writeback_tdes_hex_str, &vec.cipher_auth.key},
{KEYS_STR, writeback_tdes_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 */
};
static int
parse_tdes_interim(const char *key,
__attribute__((__unused__)) char *text,
__attribute__((__unused__)) struct fips_val *val)
{
if (strstr(key, ENC_STR))
info.op = FIPS_TEST_ENC_AUTH_GEN;
else if (strstr(key, DEC_STR))
info.op = FIPS_TEST_DEC_AUTH_VERIF;
else if (strstr(NK_STR, "NumKeys = 1"))
info.interim_info.tdes_data.nb_keys = 1;
else if (strstr(NK_STR, "NumKeys = 2"))
info.interim_info.tdes_data.nb_keys = 2;
else if (strstr(NK_STR, "NumKeys = 3"))
info.interim_info.tdes_data.nb_keys = 3;
else
return -EINVAL;
return 0;
}
static int
parse_tdes_uint8_hex_str(const char *key, char *src, struct fips_val *val)
{
uint8_t tmp_key[24] = {0};
uint32_t len, i;
src += strlen(key);
len = strlen(src) / 2;
if (val->val) {
memcpy(tmp_key, val->val, val->len);
rte_free(val->val);
}
val->val = rte_zmalloc(NULL, 24, 0);
if (!val->val)
return -1;
memcpy(val->val, tmp_key, 24);
if (strstr(key, KEYS_STR)) {
for (i = 0; i < len; i++) {
char byte[3] = {src[i * 2], src[i * 2 + 1], '\0'};
if (parser_read_uint8_hex(&val->val[i], byte) < 0)
goto error_exit;
}
memcpy(val->val + 8, val->val, 8);
memcpy(val->val + 16, val->val, 8);
} else if (strstr(key, KEY1_STR)) {
for (i = 0; i < len; i++) {
char byte[3] = {src[i * 2], src[i * 2 + 1], '\0'};
if (parser_read_uint8_hex(&val->val[i], byte) < 0)
goto error_exit;
}
if (info.interim_info.tdes_data.nb_keys == 2)
memcpy(val->val + 16, val->val, 8);
} else if (strstr(key, KEY2_STR)) {
for (i = 0; i < len; i++) {
char byte[3] = {src[i * 2], src[i * 2 + 1], '\0'};
if (parser_read_uint8_hex(&val->val[i + 8], byte) < 0)
goto error_exit;
}
} else if (strstr(key, KEY3_STR)) {
for (i = 0; i < len; i++) {
char byte[3] = {src[i * 2], src[i * 2 + 1], '\0'};
if (parser_read_uint8_hex(&val->val[i + 16], byte) < 0)
goto error_exit;
}
} else
return -EINVAL;
val->len = 24;
return 0;
error_exit:
rte_free(val->val);
memset(val, 0, sizeof(*val));
return -EINVAL;
}
static int
parse_test_tdes_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
writeback_tdes_hex_str(const char *key, char *dst, struct fips_val *val)
{
struct fips_val tmp_val = {0};
tmp_val.len = 8;
if (strstr(key, KEY1_STR))
tmp_val.val = val->val;
else if (strstr(key, KEY2_STR))
tmp_val.val = val->val + 8;
else if (strstr(key, KEY3_STR))
tmp_val.val = val->val + 16;
return writeback_hex_str(key, dst, &tmp_val);
}
static int
rsp_test_tdes_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_tdes_init(void)
{
uint32_t i;
for (i = 0; i < info.nb_vec_lines; i++) {
char *line = info.vec[i];
uint32_t j;
if (strstr(line, TEST_CBCI_KEY))
return -EPERM;
for (j = 0; j < RTE_DIM(test_types); j++)
if (strstr(line, test_types[j].desc)) {
info.interim_info.tdes_data.test_type =
test_types[j].type;
break;
}
}
info.parse_writeback = parse_test_tdes_writeback;
info.callbacks = tdes_tests_vectors;
info.interim_callbacks = tdes_tests_interim_vectors;
info.writeback_callbacks = tdes_writeback_callbacks;
info.kat_check = rsp_test_tdes_check;
return 0;
}
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