examples/fips_validation: randomize message for conformance test

FIPS conformance tests require randomizing message based on SP 800-106.

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
This commit is contained in:
Gowrishankar Muthukrishnan 2022-10-12 11:42:38 +05:30 committed by Akhil Goyal
parent ae5ae3bf59
commit 8ee030b40d
2 changed files with 115 additions and 1 deletions

View File

@ -213,6 +213,7 @@ struct rsa_interim_data {
uint16_t saltlen;
enum rte_crypto_rsa_padding_type padding;
enum rte_crypto_rsa_priv_key_type privkey;
uint8_t random_msg;
};
#ifdef USE_JANSSON
@ -339,6 +340,9 @@ parse_test_tdes_json_init(void);
int
parse_test_rsa_json_init(void);
int
fips_test_randomize_message(struct fips_val *msg, struct fips_val *rand);
#endif /* USE_JANSSON */
int

View File

@ -18,11 +18,13 @@
#include "fips_validation.h"
#define CONFORMANCE_JSON_STR "conformance"
#define TESTTYPE_JSON_STR "testType"
#define SIGTYPE_JSON_STR "sigType"
#define MOD_JSON_STR "modulo"
#define HASH_JSON_STR "hashAlg"
#define SALT_JSON_STR "saltLen"
#define RV_JSON_STR "randomValue"
#define E_JSON_STR "e"
#define N_JSON_STR "n"
@ -30,6 +32,10 @@
#define MSG_JSON_STR "message"
#define SIG_JSON_STR "signature"
#define RV_BUF_LEN (1024/8)
#define RV_BIT_LEN (256)
#ifdef USE_JANSSON
struct {
uint8_t type;
@ -258,6 +264,13 @@ prepare_vec_rsa(void)
if (!BN_mod_inverse(qinv, q, p, ctx))
goto err;
if (info.interim_info.rsa_data.random_msg) {
if (!BN_generate_prime_ex(r, RV_BIT_LEN, 0, NULL, NULL, NULL))
goto err;
parse_uint8_hex_str("", BN_bn2hex(r), &vec.rsa.seed);
}
parse_uint8_hex_str("", BN_bn2hex(e), &vec.rsa.e);
parse_uint8_hex_str("", BN_bn2hex(p), &vec.rsa.p);
parse_uint8_hex_str("", BN_bn2hex(q), &vec.rsa.q);
@ -296,6 +309,11 @@ parse_test_rsa_json_interim_writeback(struct fips_val *val)
{
RTE_SET_USED(val);
if (info.interim_info.rsa_data.random_msg) {
json_object_set_new(json_info.json_write_group, "conformance",
json_string("SP800-106"));
}
if (info.op == FIPS_TEST_ASYM_SIGGEN) {
json_t *obj;
@ -366,6 +384,14 @@ parse_test_rsa_json_writeback(struct fips_val *val)
writeback_hex_str("", info.one_line_text, &vec.rsa.signature);
obj = json_string(info.one_line_text);
json_object_set_new(json_info.json_write_case, "signature", obj);
if (info.interim_info.rsa_data.random_msg) {
writeback_hex_str("", info.one_line_text, &vec.rsa.seed);
obj = json_string(info.one_line_text);
json_object_set_new(json_info.json_write_case, "randomValue", obj);
json_object_set_new(json_info.json_write_case, "randomValueLen",
json_integer(vec.rsa.seed.len * 8));
}
} 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());
@ -405,6 +431,8 @@ parse_interim_str(const char *key, char *src, struct fips_val *val)
if (i >= RTE_DIM(rsa_auth_algs))
return -EINVAL;
} else if (strcmp(key, CONFORMANCE_JSON_STR) == 0) {
info.interim_info.rsa_data.random_msg = 1;
} else if (strcmp(key, SALT_JSON_STR) == 0) {
info.interim_info.rsa_data.saltlen = atoi(src);
} else if (strcmp(key, TESTTYPE_JSON_STR) == 0) {
@ -435,6 +463,83 @@ parse_keygen_e_str(const char *key, char *src, struct fips_val *val)
return prepare_vec_rsa();
}
/*
* Message randomization function as per NIST SP 800-106.
*/
int
fips_test_randomize_message(struct fips_val *msg, struct fips_val *rand)
{
uint8_t m[FIPS_TEST_JSON_BUF_LEN], rv[RV_BUF_LEN];
uint32_t m_bitlen, rv_bitlen, count, remain, i, j;
uint16_t rv_len;
if (!msg->val || !rand->val || rand->len > RV_BUF_LEN
|| msg->len > FIPS_TEST_JSON_BUF_LEN)
return -EINVAL;
memset(rv, 0, sizeof(rv));
memcpy(rv, rand->val, rand->len);
rv_bitlen = rand->len * 8;
rv_len = rand->len;
memset(m, 0, sizeof(m));
memcpy(m, msg->val, msg->len);
m_bitlen = msg->len * 8;
if (m_bitlen >= (rv_bitlen - 1)) {
m[msg->len] = 0x80;
m_bitlen += 8;
} else {
m[msg->len] = 0x80;
m_bitlen += (rv_bitlen - m_bitlen - 8);
}
count = m_bitlen / rv_bitlen;
remain = m_bitlen % rv_bitlen;
for (i = 0; i < count * rv_len; i++)
m[i] ^= rv[i % rv_len];
for (j = 0; j < remain / 8; j++)
m[i + j] ^= rv[j];
m[i + j] = ((uint8_t *)&rv_bitlen)[0];
m[i + j + 1] = (((uint8_t *)&rv_bitlen)[1] >> 8) & 0xFF;
rte_free(msg->val);
msg->len = (rv_bitlen + m_bitlen + 16) / 8;
msg->val = rte_zmalloc(NULL, msg->len, 0);
if (!msg->val)
return -EPERM;
memcpy(msg->val, rv, rv_len);
memcpy(&msg->val[rv_len], m, (m_bitlen + 16) / 8);
return 0;
}
static int
parse_siggen_message_str(const char *key, char *src, struct fips_val *val)
{
int ret = 0;
parse_uint8_hex_str(key, src, val);
if (info.interim_info.rsa_data.random_msg)
ret = fips_test_randomize_message(val, &vec.rsa.seed);
return ret;
}
static int
parse_sigver_randomvalue_str(const char *key, char *src, struct fips_val *val)
{
int ret = 0;
parse_uint8_hex_str(key, src, val);
if (info.interim_info.rsa_data.random_msg)
ret = fips_test_randomize_message(&vec.pt, val);
return ret;
}
struct fips_test_callback rsa_keygen_interim_json_vectors[] = {
{MOD_JSON_STR, parse_interim_str, NULL},
{HASH_JSON_STR, parse_interim_str, NULL},
@ -446,6 +551,7 @@ struct fips_test_callback rsa_siggen_interim_json_vectors[] = {
{SIGTYPE_JSON_STR, parse_interim_str, NULL},
{MOD_JSON_STR, parse_interim_str, NULL},
{HASH_JSON_STR, parse_interim_str, NULL},
{CONFORMANCE_JSON_STR, parse_interim_str, NULL},
{SALT_JSON_STR, parse_interim_str, NULL},
{TESTTYPE_JSON_STR, parse_interim_str, NULL},
{NULL, NULL, NULL} /**< end pointer */
@ -455,6 +561,7 @@ struct fips_test_callback rsa_sigver_interim_json_vectors[] = {
{SIGTYPE_JSON_STR, parse_interim_str, NULL},
{MOD_JSON_STR, parse_interim_str, NULL},
{HASH_JSON_STR, parse_interim_str, NULL},
{CONFORMANCE_JSON_STR, parse_interim_str, NULL},
{SALT_JSON_STR, parse_interim_str, NULL},
{N_JSON_STR, parse_uint8_hex_str, &vec.rsa.n},
{E_JSON_STR, parse_uint8_hex_str, &vec.rsa.e},
@ -469,13 +576,14 @@ struct fips_test_callback rsa_keygen_json_vectors[] = {
};
struct fips_test_callback rsa_siggen_json_vectors[] = {
{MSG_JSON_STR, parse_uint8_hex_str, &vec.pt},
{MSG_JSON_STR, parse_siggen_message_str, &vec.pt},
{NULL, NULL, NULL} /**< end pointer */
};
struct fips_test_callback rsa_sigver_json_vectors[] = {
{MSG_JSON_STR, parse_uint8_hex_str, &vec.pt},
{SIG_JSON_STR, parse_uint8_hex_str, &vec.rsa.signature},
{RV_JSON_STR, parse_sigver_randomvalue_str, &vec.rsa.seed},
{NULL, NULL, NULL} /**< end pointer */
};
@ -491,6 +599,7 @@ parse_test_rsa_json_init(void)
info.parse_writeback = NULL;
info.interim_callbacks = NULL;
info.parse_interim_writeback = NULL;
info.interim_info.rsa_data.random_msg = 0;
if (strcmp(mode_str, "keyGen") == 0) {
info.op = FIPS_TEST_ASYM_KEYGEN;
@ -505,6 +614,7 @@ parse_test_rsa_json_init(void)
info.op = FIPS_TEST_ASYM_SIGVER;
info.callbacks = rsa_sigver_json_vectors;
info.interim_callbacks = rsa_sigver_interim_json_vectors;
info.parse_interim_writeback = parse_test_rsa_json_interim_writeback;
} else {
return -EINVAL;
}