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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2023 Marvell.
*/
#include <string.h>
#include <time.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#ifdef USE_OPENSSL
#include <openssl/bn.h>
#include <openssl/rand.h>
#endif /* USE_OPENSSL */
#include <rte_cryptodev.h>
#include <rte_malloc.h>
#include "fips_validation.h"
#define TESTTYPE_JSON_STR "testType"
#define CURVE_JSON_STR "curve"
#define PH_JSON_STR "preHash"
#define MSG_JSON_STR "message"
#define CTX_JSON_STR "context"
#define Q_JSON_STR "q"
#define SIG_JSON_STR "signature"
#ifdef USE_JANSSON
struct {
uint8_t type;
const char *desc;
} eddsa_test_types[] = {
{EDDSA_AFT, "AFT"},
{EDDSA_BFT, "BFT"}
};
struct {
enum rte_crypto_curve_id curve_id;
const char *desc;
} eddsa_curve_ids[] = {
{RTE_CRYPTO_EC_GROUP_ED25519, "ED-25519"},
{RTE_CRYPTO_EC_GROUP_ED448, "ED-448"},
};
struct {
uint8_t curve_len;
const char *desc;
} eddsa_curve_len[] = {
{64, "ED-25519"},
{114, "ED-448"},
};
#ifdef USE_OPENSSL
#define MAX_TRIES 10
static int
prepare_vec_eddsa(void)
{
BIGNUM *pkey = NULL, *order = NULL;
int ret = -1, j;
unsigned long pid;
/* For EdDSA prime fields, order of base points (RFC 8032 Section 5.1 and 5.2).
*/
static const char * const orderstr[] = {
"7237005577332262213973186563042994240857116359379907606001950938285454250989",
"181709681073901722637330951972001133588410340171829515070372549795146003961539585716195755291692375963310293709091662304773755859649779",
};
pid = getpid();
RAND_seed(&pid, sizeof(pid));
if (!RAND_status())
return -1;
order = BN_new();
if (!order)
goto err;
j = info.interim_info.eddsa_data.curve_id - RTE_CRYPTO_EC_GROUP_ED25519;
if (!BN_hex2bn(&order, orderstr[j]))
goto err;
pkey = BN_new();
if (!pkey)
goto err;
for (j = 0; j < MAX_TRIES; j++) {
/* pkey should be in [1, order - 1] */
if (!BN_rand_range(pkey, order))
goto err;
if (!BN_is_zero(pkey))
break;
}
if (j == MAX_TRIES)
goto err;
parse_uint8_hex_str("", BN_bn2hex(pkey), &vec.eddsa.pkey);
ret = 0;
err:
BN_free(order);
BN_free(pkey);
return ret;
}
#else
static int
prepare_vec_eddsa(void)
{
/*
* Generate EdDSA values.
*/
return -ENOTSUP;
}
#endif /* USE_OPENSSL */
static int
parse_test_eddsa_json_interim_writeback(struct fips_val *val)
{
RTE_SET_USED(val);
if (info.op == FIPS_TEST_ASYM_SIGGEN) {
/* For siggen tests, EdDSA values can be created soon after
* the test group data are parsed.
*/
if (vec.eddsa.pkey.val) {
rte_free(vec.eddsa.pkey.val);
vec.eddsa.pkey.val = NULL;
}
if (prepare_vec_eddsa() < 0)
return -1;
info.interim_info.eddsa_data.pubkey_gen = 1;
}
return 0;
}
static int
post_test_eddsa_json_interim_writeback(struct fips_val *val)
{
RTE_SET_USED(val);
if (info.op == FIPS_TEST_ASYM_KEYGEN) {
json_t *obj;
writeback_hex_str("", info.one_line_text, &vec.eddsa.q);
obj = json_string(info.one_line_text);
json_object_set_new(json_info.json_write_group, "q", obj);
}
return 0;
}
static int
parse_test_eddsa_json_writeback(struct fips_val *val)
{
json_t *tcId;
RTE_SET_USED(val);
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_ASYM_SIGGEN) {
json_t *obj;
writeback_hex_str("", info.one_line_text, &vec.eddsa.sign);
obj = json_string(info.one_line_text);
json_object_set_new(json_info.json_write_case, "signature", obj);
} else if (info.op == FIPS_TEST_ASYM_SIGVER) {
if (vec.status == RTE_CRYPTO_OP_STATUS_SUCCESS)
json_object_set_new(json_info.json_write_case, "testPassed", json_true());
else
json_object_set_new(json_info.json_write_case, "testPassed", json_false());
} else if (info.op == FIPS_TEST_ASYM_KEYGEN) {
json_t *obj;
writeback_hex_str("", info.one_line_text, &vec.eddsa.pkey);
obj = json_string(info.one_line_text);
json_object_set_new(json_info.json_write_case, "d", obj);
writeback_hex_str("", info.one_line_text, &vec.eddsa.q);
obj = json_string(info.one_line_text);
json_object_set_new(json_info.json_write_case, "q", obj);
}
return 0;
}
static int
parse_interim_str(const char *key, char *src, struct fips_val *val)
{
uint32_t i;
RTE_SET_USED(val);
if (strcmp(key, TESTTYPE_JSON_STR) == 0) {
for (i = 0; i < RTE_DIM(eddsa_test_types); i++)
if (strstr(src, eddsa_test_types[i].desc)) {
info.parse_writeback = parse_test_eddsa_json_writeback;
break;
}
if (!info.parse_writeback || i >= RTE_DIM(eddsa_test_types))
return -EINVAL;
} else if (strcmp(key, CURVE_JSON_STR) == 0) {
for (i = 0; i < RTE_DIM(eddsa_curve_ids); i++)
if (strstr(src, eddsa_curve_ids[i].desc)) {
info.interim_info.eddsa_data.curve_id = eddsa_curve_ids[i].curve_id;
info.interim_info.eddsa_data.curve_len =
eddsa_curve_len[i].curve_len;
break;
}
if (i >= RTE_DIM(eddsa_curve_ids))
return -EINVAL;
} else if (strcmp(key, PH_JSON_STR) == 0) {
info.interim_info.eddsa_data.prehash = false;
} else {
return -EINVAL;
}
return 0;
}
static int
parse_keygen_tc_str(const char *key, char *src, struct fips_val *val)
{
RTE_SET_USED(key);
RTE_SET_USED(src);
RTE_SET_USED(val);
if (info.op == FIPS_TEST_ASYM_KEYGEN) {
if (vec.eddsa.pkey.val) {
rte_free(vec.eddsa.pkey.val);
vec.eddsa.pkey.val = NULL;
}
if (prepare_vec_eddsa() < 0)
return -1;
info.interim_info.eddsa_data.pubkey_gen = 1;
}
return 0;
}
struct fips_test_callback eddsa_interim_json_vectors[] = {
{TESTTYPE_JSON_STR, parse_interim_str, NULL},
{CURVE_JSON_STR, parse_interim_str, NULL},
{NULL, NULL, NULL} /**< end pointer */
};
struct fips_test_callback eddsa_siggen_json_vectors[] = {
{MSG_JSON_STR, parse_uint8_hex_str, &vec.pt},
{CTX_JSON_STR, parse_uint8_hex_str, &vec.eddsa.ctx},
{NULL, NULL, NULL} /**< end pointer */
};
struct fips_test_callback eddsa_sigver_json_vectors[] = {
{MSG_JSON_STR, parse_uint8_hex_str, &vec.pt},
{Q_JSON_STR, parse_uint8_hex_str, &vec.eddsa.q},
{SIG_JSON_STR, parse_uint8_hex_str, &vec.eddsa.sign},
{NULL, NULL, NULL} /**< end pointer */
};
struct fips_test_callback eddsa_keygen_json_vectors[] = {
{"tcId", parse_keygen_tc_str, &vec.pt},
{NULL, NULL, NULL} /**< end pointer */
};
int
parse_test_eddsa_json_init(void)
{
json_t *mode_obj = json_object_get(json_info.json_vector_set, "mode");
const char *mode_str = json_string_value(mode_obj);
info.callbacks = NULL;
info.parse_writeback = NULL;
info.interim_callbacks = eddsa_interim_json_vectors;
info.post_interim_writeback = post_test_eddsa_json_interim_writeback;
info.parse_interim_writeback = parse_test_eddsa_json_interim_writeback;
if (strcmp(mode_str, "sigGen") == 0) {
info.op = FIPS_TEST_ASYM_SIGGEN;
info.callbacks = eddsa_siggen_json_vectors;
} else if (strcmp(mode_str, "sigVer") == 0) {
info.op = FIPS_TEST_ASYM_SIGVER;
info.callbacks = eddsa_sigver_json_vectors;
} else if (strcmp(mode_str, "keyGen") == 0) {
info.op = FIPS_TEST_ASYM_KEYGEN;
info.callbacks = eddsa_keygen_json_vectors;
} else {
return -EINVAL;
}
return 0;
}
#endif /* USE_JANSSON */
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