DPDK  20.11.3
examples/fips_validation/fips_validation_gcm.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 <rte_malloc.h>
#include "fips_validation.h"
#define NEW_LINE_STR "#"
#define OP_STR "GCM "
#define PARAM_PREFIX "["
#define KEYLEN_STR "Keylen = "
#define IVLEN_STR "IVlen = "
#define PTLEN_STR "PTlen = "
#define AADLEN_STR "AADlen = "
#define TAGLEN_STR "Taglen = "
#define COUNT_STR "Count = "
#define KEY_STR "Key = "
#define IV_STR "IV = "
#define PT_STR "PT = "
#define CT_STR "CT = "
#define TAG_STR "Tag = "
#define AAD_STR "AAD = "
#define OP_ENC_STR "Encrypt"
#define OP_DEC_STR "Decrypt"
/* External/Internal IV generation, specified in file name, following NIST
* GCMVS Section 6.1
*/
#define OP_ENC_EXT_STR "ExtIV"
#define OP_ENC_INT_STR "IntIV"
#define NEG_TEST_STR "FAIL"
static int
parser_read_gcm_pt_len(const char *key, char *src,
__rte_unused struct fips_val *val)
{
int ret = parser_read_uint32_bit_val(key, src, &vec.pt);
if (ret < 0)
return ret;
if (vec.pt.len == 0) {
info.interim_info.gcm_data.is_gmac = 1;
test_ops.prepare_op = prepare_auth_op;
test_ops.prepare_xform = prepare_gmac_xform;
} else {
info.interim_info.gcm_data.is_gmac = 0;
test_ops.prepare_op = prepare_aead_op;
test_ops.prepare_xform = prepare_gcm_xform;
}
return ret;
}
static int
parse_gcm_aad_str(const char *key, char *src,
__rte_unused struct fips_val *val)
{
/* For GMAC test vector, AAD is treated as input */
if (info.interim_info.gcm_data.is_gmac) {
vec.pt.len = vec.aead.aad.len;
return parse_uint8_known_len_hex_str(key, src, &vec.pt);
} else /* gcm */
return parse_uint8_known_len_hex_str(key, src, &vec.aead.aad);
}
static int
parse_gcm_pt_ct_str(const char *key, char *src, struct fips_val *val)
{
/* According to NIST GCMVS section 6.1, IUT should generate IV data */
if (info.interim_info.gcm_data.gen_iv && vec.iv.len) {
uint32_t i;
if (!vec.iv.val) {
vec.iv.val = rte_malloc(0, vec.iv.len, 0);
if (!vec.iv.val)
return -ENOMEM;
}
for (i = 0; i < vec.iv.len; i++) {
int random = rand();
vec.iv.val[i] = (uint8_t)random;
}
}
/* if PTlen == 0, pt or ct will be handled by AAD later */
if (info.interim_info.gcm_data.is_gmac)
return 0;
return parse_uint8_known_len_hex_str(key, src, val);
}
struct fips_test_callback gcm_dec_vectors[] = {
{KEY_STR, parse_uint8_known_len_hex_str, &vec.aead.key},
{IV_STR, parse_uint8_known_len_hex_str, &vec.iv},
{CT_STR, parse_gcm_pt_ct_str, &vec.ct},
{AAD_STR, parse_gcm_aad_str, &vec.aead.aad},
{TAG_STR, parse_uint8_known_len_hex_str,
&vec.aead.digest},
{NULL, NULL, NULL}
};
struct fips_test_callback gcm_interim_vectors[] = {
{KEYLEN_STR, parser_read_uint32_bit_val, &vec.aead.key},
{IVLEN_STR, parser_read_uint32_bit_val, &vec.iv},
{PTLEN_STR, parser_read_gcm_pt_len, &vec.pt},
{PTLEN_STR, parser_read_uint32_bit_val, &vec.ct},
{AADLEN_STR, parser_read_uint32_bit_val, &vec.aead.aad},
{TAGLEN_STR, parser_read_uint32_bit_val,
&vec.aead.digest},
{NULL, NULL, NULL}
};
struct fips_test_callback gcm_enc_vectors[] = {
{KEY_STR, parse_uint8_known_len_hex_str, &vec.aead.key},
{IV_STR, parse_uint8_known_len_hex_str, &vec.iv},
{PT_STR, parse_gcm_pt_ct_str, &vec.pt},
{AAD_STR, parse_gcm_aad_str, &vec.aead.aad},
{NULL, NULL, NULL}
};
static int
parse_test_gcm_writeback(struct fips_val *val)
{
struct fips_val tmp_val;
if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
/* According to NIST GCMVS section 6.1, IUT should provide
* generate IV data
*/
if (info.interim_info.gcm_data.gen_iv) {
fprintf(info.fp_wr, "%s", IV_STR);
tmp_val.val = vec.iv.val;
tmp_val.len = vec.iv.len;
parse_write_hex_str(&tmp_val);
rte_free(vec.iv.val);
vec.iv.val = NULL;
}
fprintf(info.fp_wr, "%s", CT_STR);
if (!info.interim_info.gcm_data.is_gmac) {
tmp_val.val = val->val;
tmp_val.len = vec.pt.len;
parse_write_hex_str(&tmp_val);
} else
fprintf(info.fp_wr, "\n");
fprintf(info.fp_wr, "%s", TAG_STR);
tmp_val.val = val->val + vec.pt.len;
tmp_val.len = val->len - vec.pt.len;
parse_write_hex_str(&tmp_val);
} else {
if (vec.status == RTE_CRYPTO_OP_STATUS_SUCCESS) {
fprintf(info.fp_wr, "%s", PT_STR);
if (!info.interim_info.gcm_data.is_gmac) {
tmp_val.val = val->val;
tmp_val.len = vec.pt.len;
parse_write_hex_str(&tmp_val);
} else
fprintf(info.fp_wr, "\n");
} else
fprintf(info.fp_wr, "%s\n", NEG_TEST_STR);
}
return 0;
}
int
parse_test_gcm_init(void)
{
char *tmp;
uint32_t i;
for (i = 0; i < info.nb_vec_lines; i++) {
char *line = info.vec[i];
tmp = strstr(line, OP_STR);
if (tmp) {
if (strstr(line, OP_ENC_STR)) {
info.op = FIPS_TEST_ENC_AUTH_GEN;
info.callbacks = gcm_enc_vectors;
if (strstr(info.file_name, OP_ENC_INT_STR))
info.interim_info.gcm_data.gen_iv = 1;
} else if (strstr(line, OP_DEC_STR)) {
info.op = FIPS_TEST_DEC_AUTH_VERIF;
info.callbacks = gcm_dec_vectors;
} else
return -EINVAL;
}
}
info.interim_callbacks = gcm_interim_vectors;
info.parse_writeback = parse_test_gcm_writeback;
return 0;
}