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qat_sw_ec.c
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qat_sw_ec.c
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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2021-2022 Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* ====================================================================
*/
/*****************************************************************************
* @file qat_sw_ec.c
*
* This file provides multibuffer support for ECDH & ECDSA
*
*****************************************************************************/
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#define __USE_GNU
#include <pthread.h>
#include <openssl/rsa.h>
#include <openssl/err.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
/* Local includes */
#include "e_qat.h"
#include "qat_utils.h"
#include "qat_events.h"
#include "qat_fork.h"
#include "qat_evp.h"
#include "qat_sw_ec.h"
#include "qat_sw_request.h"
/* Crypto_mb includes */
#include "crypto_mb/ec_nistp256.h"
#include "crypto_mb/ec_nistp384.h"
#include "crypto_mb/ec_sm2.h"
static inline int mb_ec_check_curve(int curve_type)
{
int ret = 0;
switch (curve_type) {
case NID_X9_62_prime256v1:
ret = EC_P256;
break;
case NID_secp384r1:
ret = EC_P384;
break;
case NID_sm2:
ret = EC_SM2;
break;
default:
break;
}
return ret;
}
#ifdef ENABLE_QAT_SW_ECDSA
void process_ecdsa_sign_reqs(mb_thread_data *tlv, int bit_len)
{
ecdsa_sign_op_data *ecdsa_sign_req_array[MULTIBUFF_BATCH] = {0};
unsigned char *sign_r[MULTIBUFF_BATCH] = {0};
unsigned char *sign_s[MULTIBUFF_BATCH] = {0};;
const unsigned char *digest[MULTIBUFF_BATCH] = {0};
const BIGNUM *eph_key[MULTIBUFF_BATCH] = {0};
const BIGNUM *priv_key[MULTIBUFF_BATCH] = {0};
unsigned int sts = 0;
int local_request_no = 0;
int req_num = 0;
START_RDTSC(&ecdsa_cycles_sign_execute);
/* Build Arrays of pointers for call */
switch (bit_len) {
case EC_P256:
DEBUG("Dequeue ECDSA p256 sign reqs.\n");
while ((ecdsa_sign_req_array[req_num] =
mb_queue_ecdsap256_sign_dequeue(tlv->ecdsap256_sign_queue)) != NULL) {
sign_r[req_num] = ecdsa_sign_req_array[req_num]->sign_r;
sign_s[req_num] = ecdsa_sign_req_array[req_num]->sign_s;
digest[req_num] = ecdsa_sign_req_array[req_num]->digest;
eph_key[req_num] = ecdsa_sign_req_array[req_num]->eph_key;
priv_key[req_num] = ecdsa_sign_req_array[req_num]->priv_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
case EC_P384:
DEBUG("Dequeue ECDSA p384 sign reqs.\n");
while ((ecdsa_sign_req_array[req_num] =
mb_queue_ecdsap384_sign_dequeue(tlv->ecdsap384_sign_queue)) != NULL) {
sign_r[req_num] = ecdsa_sign_req_array[req_num]->sign_r;
sign_s[req_num] = ecdsa_sign_req_array[req_num]->sign_s;
digest[req_num] = ecdsa_sign_req_array[req_num]->digest;
eph_key[req_num] = ecdsa_sign_req_array[req_num]->eph_key;
priv_key[req_num] = ecdsa_sign_req_array[req_num]->priv_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
}
local_request_no = req_num;
switch (bit_len) {
case EC_P256:
DEBUG("Submitting %d ECDSA p256 sign requests\n", local_request_no);
sts = mbx_nistp256_ecdsa_sign_ssl_mb8(sign_r,
sign_s,
digest,
eph_key,
priv_key,
NULL);
break;
case EC_P384:
DEBUG("Submitting %d ECDSA p384 sign requests\n", local_request_no);
sts = mbx_nistp384_ecdsa_sign_ssl_mb8(sign_r,
sign_s,
digest,
eph_key,
priv_key,
NULL);
break;
}
for (req_num = 0; req_num < local_request_no; req_num++) {
if (ecdsa_sign_req_array[req_num]->sts != NULL) {
if (MBX_GET_STS(sts, req_num) == MBX_STATUS_OK) {
DEBUG("Multibuffer ECDSA Sign request[%d] success\n", req_num);
*ecdsa_sign_req_array[req_num]->sts = 1;
} else {
WARN("Multibuffer ECDSA Sign request[%d] failure - sts %d\n",
req_num, MBX_GET_STS(sts, req_num));
*ecdsa_sign_req_array[req_num]->sts = 0;
}
}
if (ecdsa_sign_req_array[req_num]->job) {
qat_wake_job(ecdsa_sign_req_array[req_num]->job,
ASYNC_STATUS_OK);
}
OPENSSL_cleanse(ecdsa_sign_req_array[req_num],
sizeof(ecdsa_sign_op_data));
mb_flist_ecdsa_sign_push(tlv->ecdsa_sign_freelist,
ecdsa_sign_req_array[req_num]);
}
# ifdef QAT_SW_HEURISTIC_TIMEOUT
switch (bit_len) {
case EC_P256:
mb_ecdsap256_sign_req_rates.req_this_period += local_request_no;
break;
case EC_P384:
mb_ecdsap384_sign_req_rates.req_this_period += local_request_no;
break;
}
# endif
STOP_RDTSC(&ecdsa_cycles_sign_execute, 1, "[ECDSA:sign_execute]");
DEBUG("Processed Final Request\n");
}
void process_ecdsa_sign_setup_reqs(mb_thread_data *tlv, int bit_len)
{
ecdsa_sign_setup_op_data *ecdsa_sign_setup_req_array[MULTIBUFF_BATCH] = {0};
BIGNUM *k_inv[MULTIBUFF_BATCH] = {0};
BIGNUM *sig_rp[MULTIBUFF_BATCH] = {0};
const BIGNUM *eph_key[MULTIBUFF_BATCH] = {0};
unsigned int sts = 0;
int local_request_no = 0;
int req_num = 0;
START_RDTSC(&ecdsa_cycles_sign_setup_execute);
/* Build Arrays of pointers for call */
switch (bit_len) {
case EC_P256:
DEBUG("Dequeue ECDSA p256 sign setup reqs.\n");
while ((ecdsa_sign_setup_req_array[req_num] =
mb_queue_ecdsap256_sign_setup_dequeue(tlv->ecdsap256_sign_setup_queue)) != NULL) {
k_inv[req_num] = ecdsa_sign_setup_req_array[req_num]->k_inv;
sig_rp[req_num] = ecdsa_sign_setup_req_array[req_num]->sig_rp;
eph_key[req_num] = ecdsa_sign_setup_req_array[req_num]->eph_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
case EC_P384:
DEBUG("Dequeue ECDSA p384 sign setup reqs.\n");
while ((ecdsa_sign_setup_req_array[req_num] =
mb_queue_ecdsap384_sign_setup_dequeue(tlv->ecdsap384_sign_setup_queue)) != NULL) {
k_inv[req_num] = ecdsa_sign_setup_req_array[req_num]->k_inv;
sig_rp[req_num] = ecdsa_sign_setup_req_array[req_num]->sig_rp;
eph_key[req_num] = ecdsa_sign_setup_req_array[req_num]->eph_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
}
local_request_no = req_num;
switch (bit_len) {
case EC_P256:
DEBUG("Submitting %d ECDSA p256 sign setup requests\n", local_request_no);
sts = mbx_nistp256_ecdsa_sign_setup_ssl_mb8(k_inv,
sig_rp,
eph_key,
NULL);
break;
case EC_P384:
DEBUG("Submitting %d ECDSA p384 sign setup requests\n", local_request_no);
sts = mbx_nistp384_ecdsa_sign_setup_ssl_mb8(k_inv,
sig_rp,
eph_key,
NULL);
break;
}
for (req_num = 0; req_num < local_request_no; req_num++) {
if (ecdsa_sign_setup_req_array[req_num]->sts != NULL) {
if (MBX_GET_STS(sts, req_num) == MBX_STATUS_OK) {
DEBUG("Multibuffer ECDSA Sign setup request[%d] success\n", req_num);
*ecdsa_sign_setup_req_array[req_num]->sts = 1;
} else {
WARN("Multibuffer ECDSA Sign setup request[%d] failure - sts %d\n",
req_num, MBX_GET_STS(sts, req_num));
*ecdsa_sign_setup_req_array[req_num]->sts = 0;
}
}
if (ecdsa_sign_setup_req_array[req_num]->job) {
qat_wake_job(ecdsa_sign_setup_req_array[req_num]->job,
ASYNC_STATUS_OK);
}
OPENSSL_cleanse(ecdsa_sign_setup_req_array[req_num],
sizeof(ecdsa_sign_setup_op_data));
mb_flist_ecdsa_sign_setup_push(tlv->ecdsa_sign_setup_freelist,
ecdsa_sign_setup_req_array[req_num]);
}
# ifdef QAT_SW_HEURISTIC_TIMEOUT
switch (bit_len) {
case EC_P256:
mb_ecdsap256_sign_setup_req_rates.req_this_period += local_request_no;
break;
case EC_P384:
mb_ecdsap384_sign_setup_req_rates.req_this_period += local_request_no;
break;
}
# endif
STOP_RDTSC(&ecdsa_cycles_sign_setup_execute, 1, "[ECDSA:sign_setup_execute]");
DEBUG("Processed Final Request\n");
}
void process_ecdsa_sign_sig_reqs(mb_thread_data *tlv, int bit_len)
{
ecdsa_sign_sig_op_data *ecdsa_sign_sig_req_array[MULTIBUFF_BATCH] = {0};
unsigned char *sign_r[MULTIBUFF_BATCH] = {0};
unsigned char *sign_s[MULTIBUFF_BATCH] = {0};;
const unsigned char *digest[MULTIBUFF_BATCH] = {0};
const BIGNUM *k_inv[MULTIBUFF_BATCH] = {0};
const BIGNUM *sig_rp[MULTIBUFF_BATCH] = {0};
const BIGNUM *priv_key[MULTIBUFF_BATCH] = {0};
unsigned int sts = 0;
int local_request_no = 0;
int req_num = 0;
START_RDTSC(&ecdsa_cycles_sign_sig_execute);
/* Build Arrays of pointers for call */
switch (bit_len) {
case EC_P256:
DEBUG("Dequeue ECDSA p256 sign sig reqs.\n");
while ((ecdsa_sign_sig_req_array[req_num] =
mb_queue_ecdsap256_sign_sig_dequeue(tlv->ecdsap256_sign_sig_queue)) != NULL) {
sign_r[req_num] = ecdsa_sign_sig_req_array[req_num]->sign_r;
sign_s[req_num] = ecdsa_sign_sig_req_array[req_num]->sign_s;
digest[req_num] = ecdsa_sign_sig_req_array[req_num]->digest;
sig_rp[req_num] = ecdsa_sign_sig_req_array[req_num]->sig_rp;
k_inv[req_num] = ecdsa_sign_sig_req_array[req_num]->k_inv;
priv_key[req_num] = ecdsa_sign_sig_req_array[req_num]->priv_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
case EC_P384:
DEBUG("Dequeue ECDSA p384 sign sig reqs.\n");
while ((ecdsa_sign_sig_req_array[req_num] =
mb_queue_ecdsap384_sign_sig_dequeue(tlv->ecdsap384_sign_sig_queue)) != NULL) {
sign_r[req_num] = ecdsa_sign_sig_req_array[req_num]->sign_r;
sign_s[req_num] = ecdsa_sign_sig_req_array[req_num]->sign_s;
digest[req_num] = ecdsa_sign_sig_req_array[req_num]->digest;
sig_rp[req_num] = ecdsa_sign_sig_req_array[req_num]->sig_rp;
k_inv[req_num] = ecdsa_sign_sig_req_array[req_num]->k_inv;
priv_key[req_num] = ecdsa_sign_sig_req_array[req_num]->priv_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
}
local_request_no = req_num;
switch (bit_len) {
case EC_P256:
DEBUG("Submitting %d ECDSA p256 sign sig requests\n", local_request_no);
sts = mbx_nistp256_ecdsa_sign_complete_ssl_mb8(sign_r,
sign_s,
digest,
sig_rp,
k_inv,
priv_key,
NULL);
break;
case EC_P384:
DEBUG("Submitting %d ECDSA p384 sign sig requests\n", local_request_no);
sts = mbx_nistp384_ecdsa_sign_complete_ssl_mb8(sign_r,
sign_s,
digest,
sig_rp,
k_inv,
priv_key,
NULL);
break;
}
for (req_num = 0; req_num < local_request_no; req_num++) {
if (ecdsa_sign_sig_req_array[req_num]->sts != NULL) {
if (MBX_GET_STS(sts, req_num) == MBX_STATUS_OK) {
DEBUG("Multibuffer ECDSA Sign sig request[%d] success\n", req_num);
*ecdsa_sign_sig_req_array[req_num]->sts = 1;
} else {
WARN("Multibuffer ECDSA Sign sig request[%d] failure - sts %d\n",
req_num, MBX_GET_STS(sts, req_num));
*ecdsa_sign_sig_req_array[req_num]->sts = 0;
}
}
if (ecdsa_sign_sig_req_array[req_num]->job) {
qat_wake_job(ecdsa_sign_sig_req_array[req_num]->job,
ASYNC_STATUS_OK);
}
OPENSSL_cleanse(ecdsa_sign_sig_req_array[req_num],
sizeof(ecdsa_sign_sig_op_data));
mb_flist_ecdsa_sign_sig_push(tlv->ecdsa_sign_sig_freelist,
ecdsa_sign_sig_req_array[req_num]);
}
# ifdef QAT_SW_HEURISTIC_TIMEOUT
mb_ecdsap256_sign_sig_req_rates.req_this_period += local_request_no;
# endif
STOP_RDTSC(&ecdsa_cycles_sign_sig_execute, 1, "[ECDSA:sign_sig_execute]");
DEBUG("Processed Final Request\n");
}
#endif
#ifdef ENABLE_QAT_SW_ECDH
void process_ecdh_keygen_reqs(mb_thread_data *tlv, int curve)
{
ecdh_keygen_op_data *ecdh_keygen_req_array[MULTIBUFF_BATCH] = {0};
BIGNUM *ecdh_keygen_x[MULTIBUFF_BATCH] = {0};
BIGNUM *ecdh_keygen_y[MULTIBUFF_BATCH] = {0};
BIGNUM *ecdh_keygen_z[MULTIBUFF_BATCH] = {0};
const BIGNUM* ecdh_keygen_privkey[MULTIBUFF_BATCH] = {0};
unsigned int ecdh_sts = 0;
int local_request_no = 0;
int req_num = 0;
START_RDTSC(&ecdh_cycles_keygen_execute);
/* Build Arrays of pointers for call */
switch (curve) {
case EC_P256:
DEBUG("Dequeue ECDHP256 keygen reqs.\n");
while ((ecdh_keygen_req_array[req_num] =
mb_queue_ecdhp256_keygen_dequeue(tlv->ecdhp256_keygen_queue)) != NULL) {
ecdh_keygen_x[req_num] = ecdh_keygen_req_array[req_num]->x;
ecdh_keygen_y[req_num] = ecdh_keygen_req_array[req_num]->y;
ecdh_keygen_z[req_num] = ecdh_keygen_req_array[req_num]->z;
ecdh_keygen_privkey[req_num] = ecdh_keygen_req_array[req_num]->priv_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
case EC_P384:
DEBUG("Dequeue ECDHP384 keygen reqs.\n");
while ((ecdh_keygen_req_array[req_num] =
mb_queue_ecdhp384_keygen_dequeue(tlv->ecdhp384_keygen_queue)) != NULL) {
ecdh_keygen_x[req_num] = ecdh_keygen_req_array[req_num]->x;
ecdh_keygen_y[req_num] = ecdh_keygen_req_array[req_num]->y;
ecdh_keygen_z[req_num] = ecdh_keygen_req_array[req_num]->z;
ecdh_keygen_privkey[req_num] = ecdh_keygen_req_array[req_num]->priv_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
case EC_SM2:
DEBUG("Dequeue SM2ECDH keygen reqs.\n");
while ((ecdh_keygen_req_array[req_num] =
mb_queue_sm2ecdh_keygen_dequeue(tlv->sm2ecdh_keygen_queue)) != NULL) {
ecdh_keygen_x[req_num] = ecdh_keygen_req_array[req_num]->x;
ecdh_keygen_y[req_num] = ecdh_keygen_req_array[req_num]->y;
ecdh_keygen_z[req_num] = ecdh_keygen_req_array[req_num]->z;
ecdh_keygen_privkey[req_num] = ecdh_keygen_req_array[req_num]->priv_key;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
}
local_request_no = req_num;
switch (curve) {
case EC_P256:
DEBUG("Submitting %d ECDH p256 Keygen requests\n", local_request_no);
ecdh_sts = mbx_nistp256_ecpublic_key_ssl_mb8(ecdh_keygen_x,
ecdh_keygen_y,
ecdh_keygen_z,
ecdh_keygen_privkey,
NULL);
break;
case EC_P384:
DEBUG("Submitting %d ECDH p384 Keygen requests\n", local_request_no);
ecdh_sts = mbx_nistp384_ecpublic_key_ssl_mb8(ecdh_keygen_x,
ecdh_keygen_y,
ecdh_keygen_z,
ecdh_keygen_privkey,
NULL);
break;
case EC_SM2:
DEBUG("Submitting %d ECDH sm2 Keygen requests\n", local_request_no);
ecdh_sts = mbx_sm2_ecpublic_key_ssl_mb8(ecdh_keygen_x,
ecdh_keygen_y,
ecdh_keygen_z,
ecdh_keygen_privkey,
NULL);
break;
}
for (req_num = 0; req_num < local_request_no; req_num++) {
if (ecdh_keygen_req_array[req_num]->sts != NULL) {
if (MBX_GET_STS(ecdh_sts, req_num) == MBX_STATUS_OK) {
DEBUG("Multibuffer keygen request[%d] success\n", req_num);
*ecdh_keygen_req_array[req_num]->sts = 1;
} else {
WARN("Multibuffer keygen request[%d] failure, sts %d \n",
req_num, MBX_GET_STS(ecdh_sts, req_num));
*ecdh_keygen_req_array[req_num]->sts = 0;
}
}
if (ecdh_keygen_req_array[req_num]->job) {
qat_wake_job(ecdh_keygen_req_array[req_num]->job,
ASYNC_STATUS_OK);
}
OPENSSL_cleanse(ecdh_keygen_req_array[req_num],
sizeof(ecdh_keygen_op_data));
mb_flist_ecdh_keygen_push(tlv->ecdh_keygen_freelist,
ecdh_keygen_req_array[req_num]);
}
# ifdef QAT_SW_HEURISTIC_TIMEOUT
switch (curve) {
case EC_P256:
mb_ecdhp256_keygen_req_rates.req_this_period += local_request_no;
break;
case EC_P384:
mb_ecdhp384_keygen_req_rates.req_this_period += local_request_no;
break;
case EC_SM2:
mb_sm2ecdh_keygen_req_rates.req_this_period += local_request_no;
break;
}
# endif
STOP_RDTSC(&ecdh_cycles_keygen_execute, 1, "[ECDH:keygen_execute]");
DEBUG("Processed Final Request\n");
}
void process_ecdh_compute_reqs(mb_thread_data *tlv, int curve)
{
ecdh_compute_op_data *ecdh_compute_req_array[MULTIBUFF_BATCH] = {0};
unsigned char *ecdh_compute_shared_key[MULTIBUFF_BATCH] = {0};
const BIGNUM *ecdh_compute_privkey[MULTIBUFF_BATCH] = {0};
const BIGNUM *ecdh_compute_x[MULTIBUFF_BATCH] = {0};
const BIGNUM *ecdh_compute_y[MULTIBUFF_BATCH] = {0};
const BIGNUM *ecdh_compute_z[MULTIBUFF_BATCH] = {0};
unsigned int ecdh_sts = 0;
int local_request_no = 0;
int req_num = 0;
START_RDTSC(&ecdh_cycles_compute_execute);
/* Build Arrays of pointers for call */
switch (curve) {
case EC_P256:
DEBUG("Dequeue ECDHP256 compute reqs.\n");
while ((ecdh_compute_req_array[req_num] =
mb_queue_ecdhp256_compute_dequeue(tlv->ecdhp256_compute_queue)) != NULL) {
ecdh_compute_shared_key[req_num] = ecdh_compute_req_array[req_num]->shared_key;
ecdh_compute_privkey[req_num] = ecdh_compute_req_array[req_num]->priv_key;
ecdh_compute_x[req_num] = ecdh_compute_req_array[req_num]->x;
ecdh_compute_y[req_num] = ecdh_compute_req_array[req_num]->y;
ecdh_compute_z[req_num] = ecdh_compute_req_array[req_num]->z;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
case EC_P384:
DEBUG("Dequeue ECDHP384 compute reqs.\n");
while ((ecdh_compute_req_array[req_num] =
mb_queue_ecdhp384_compute_dequeue(tlv->ecdhp384_compute_queue)) != NULL) {
ecdh_compute_shared_key[req_num] = ecdh_compute_req_array[req_num]->shared_key;
ecdh_compute_privkey[req_num] = ecdh_compute_req_array[req_num]->priv_key;
ecdh_compute_x[req_num] = ecdh_compute_req_array[req_num]->x;
ecdh_compute_y[req_num] = ecdh_compute_req_array[req_num]->y;
ecdh_compute_z[req_num] = ecdh_compute_req_array[req_num]->z;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
case EC_SM2:
DEBUG("Dequeue SM2ECDH compute reqs.\n");
while ((ecdh_compute_req_array[req_num] =
mb_queue_sm2ecdh_compute_dequeue(tlv->sm2ecdh_compute_queue)) != NULL) {
ecdh_compute_shared_key[req_num] = ecdh_compute_req_array[req_num]->shared_key;
ecdh_compute_privkey[req_num] = ecdh_compute_req_array[req_num]->priv_key;
ecdh_compute_x[req_num] = ecdh_compute_req_array[req_num]->x;
ecdh_compute_y[req_num] = ecdh_compute_req_array[req_num]->y;
ecdh_compute_z[req_num] = ecdh_compute_req_array[req_num]->z;
req_num++;
if (req_num == MULTIBUFF_MIN_BATCH)
break;
}
break;
}
local_request_no = req_num;
switch (curve) {
case EC_P256:
DEBUG("Submitting %d ECDH p256 Compute requests\n", local_request_no);
ecdh_sts = mbx_nistp256_ecdh_ssl_mb8(ecdh_compute_shared_key,
ecdh_compute_privkey,
ecdh_compute_x,
ecdh_compute_y,
ecdh_compute_z, /* Use Jacobian coordinates */
NULL);
break;
case EC_P384:
DEBUG("Submitting %d ECDH p384 Compute requests\n", local_request_no);
ecdh_sts = mbx_nistp384_ecdh_ssl_mb8(ecdh_compute_shared_key,
ecdh_compute_privkey,
ecdh_compute_x,
ecdh_compute_y,
ecdh_compute_z, /* Use Jacobian coordinates */
NULL);
break;
case EC_SM2:
DEBUG("Submitting %d SM2 ECDH Compute requests\n", local_request_no);
ecdh_sts = mbx_sm2_ecdh_ssl_mb8(ecdh_compute_shared_key,
ecdh_compute_privkey,
ecdh_compute_x,
ecdh_compute_y,
ecdh_compute_z, /* Use Jacobian coordinates */
NULL);
break;
}
for (req_num = 0; req_num < local_request_no; req_num++) {
if (ecdh_compute_req_array[req_num]->sts != NULL) {
if (MBX_GET_STS(ecdh_sts, req_num) == MBX_STATUS_OK) {
DEBUG("Multibuffer compute request[%d] success\n", req_num);
*ecdh_compute_req_array[req_num]->sts = 1;
} else {
WARN("Multibuffer compute request[%d] failure, sts %d \n",
req_num, MBX_GET_STS(ecdh_sts, req_num));
*ecdh_compute_req_array[req_num]->sts = 0;
}
}
if (ecdh_compute_req_array[req_num]->job) {
qat_wake_job(ecdh_compute_req_array[req_num]->job, ASYNC_STATUS_OK);
}
OPENSSL_cleanse(ecdh_compute_req_array[req_num],
sizeof(ecdh_compute_op_data));
mb_flist_ecdh_compute_push(tlv->ecdh_compute_freelist,
ecdh_compute_req_array[req_num]);
}
# ifdef QAT_SW_HEURISTIC_TIMEOUT
switch (curve) {
case EC_P256:
mb_ecdhp256_compute_req_rates.req_this_period += local_request_no;
break;
case EC_P384:
mb_ecdhp384_compute_req_rates.req_this_period += local_request_no;
break;
case EC_SM2:
mb_sm2ecdh_compute_req_rates.req_this_period += local_request_no;
break;
}
# endif
STOP_RDTSC(&ecdh_cycles_compute_execute, 1, "[ECDH:compute_execute]");
DEBUG("Processed Final Request\n");
}
#endif
#ifdef ENABLE_QAT_SW_ECDSA
int mb_ecdsa_sign(int type, const unsigned char *dgst, int dlen,
unsigned char *sig, unsigned int *siglen,
const BIGNUM *kinv, const BIGNUM *r, EC_KEY *eckey)
{
int ret = 0, len = 0, job_ret = 0, sts = 0, alloc_buf = 0, bit_len = 0;
BN_CTX *ctx = NULL;
ECDSA_SIG *s;
ASYNC_JOB *job;
size_t buflen;
static __thread int req_num = 0;
const EC_GROUP *group;
BIGNUM *k = NULL;
const BIGNUM *priv_key, *order;
const EC_POINT *pub_key = NULL;
BIGNUM *ecdsa_sig_r = NULL, *ecdsa_sig_s = NULL;
unsigned char *dgst_buf = NULL;
PFUNC_SIGN sign_pfunc = NULL;
ecdsa_sign_op_data *ecdsa_sign_req = NULL;
mb_thread_data *tlv = NULL;
DEBUG("Entering \n");
if (unlikely(dgst == NULL || dlen <= 0 ||
eckey == NULL)) {
*siglen = 0;
WARN("Invalid Input param\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_INPUT_PARAM_INVALID);
return ret;
}
group = EC_KEY_get0_group(eckey);
priv_key = EC_KEY_get0_private_key(eckey);
pub_key = EC_KEY_get0_public_key(eckey);
if (group == NULL || priv_key == NULL || pub_key == NULL) {
WARN("Either group, priv_key or pub_key are NULL\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_GROUP_PRIV_KEY_PUB_KEY_NULL);
return ret;
}
/* Check if curve is p256 or p384 */
if ((bit_len = mb_ec_check_curve(EC_GROUP_get_curve_name(group))) == 0) {
DEBUG("Curve type not supported, using SW Method %d\n",
EC_GROUP_get_curve_name(group));
goto use_sw_method;
}
/* Check if we are running asynchronously */
if ((job = ASYNC_get_current_job()) == NULL) {
DEBUG("Running synchronously using sw method\n");
goto use_sw_method;
}
/* Setup asynchronous notifications */
if (!qat_setup_async_event_notification(job)) {
DEBUG("Failed to setup async notifications, using sw method\n");
goto use_sw_method;
}
if (!EC_KEY_can_sign(eckey)) {
WARN("Curve doesn't support Signing\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_CURVE_DOES_NOT_SUPPORT_SIGNING);
return ret;
}
tlv = mb_check_thread_local();
if (NULL == tlv) {
WARN("Could not create thread local variables\n");
goto use_sw_method;
}
while ((ecdsa_sign_req =
mb_flist_ecdsa_sign_pop(tlv->ecdsa_sign_freelist)) == NULL) {
qat_wake_job(job, ASYNC_STATUS_EAGAIN);
qat_pause_job(job, ASYNC_STATUS_EAGAIN);
}
DEBUG("QAT SW ECDSA Started %p\n", ecdsa_sign_req);
START_RDTSC(&ecdsa_cycles_sign_setup);
/* Buffer up the requests and call the new functions when we have enough
* requests buffered up */
if ((s = ECDSA_SIG_new()) == NULL) {
mb_flist_ecdsa_sign_push(tlv->ecdsa_sign_freelist, ecdsa_sign_req);
WARN("Failure to allocate ECDSA_SIG\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_ECDSA_SIG_MALLOC_FAILURE);
return ret;
}
ecdsa_sig_r = BN_new();
ecdsa_sig_s = BN_new();
/* NULL checking of ecdsa_sig_r & ecdsa_sig_s done in ECDSA_SIG_set0() */
if (ECDSA_SIG_set0(s, ecdsa_sig_r, ecdsa_sig_s) == 0) {
mb_flist_ecdsa_sign_push(tlv->ecdsa_sign_freelist, ecdsa_sign_req);
WARN("Failure to allocate r and s values to assign to the ECDSA_SIG\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_ECDSA_SIG_SET_R_S_FAILURE);
goto err;
}
if ((ctx = BN_CTX_new()) == NULL) {
mb_flist_ecdsa_sign_push(tlv->ecdsa_sign_freelist, ecdsa_sign_req);
WARN("Failure to allocate ctx\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_CTX_MALLOC_FAILURE);
goto err;
}
BN_CTX_start(ctx);
k = BN_CTX_get(ctx);
if ((order = EC_GROUP_get0_order(group)) == NULL) {
mb_flist_ecdsa_sign_push(tlv->ecdsa_sign_freelist, ecdsa_sign_req);
WARN("Failure to get order from group\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_GET_ORDER_FAILURE);
goto err;
}
len = BN_num_bits(order);
buflen = (len + 7) / 8;
/* If digest size is less, expand length with zero as crypto_mb
* expects digest being sign length */
if (8 * dlen < len) {
dgst_buf = OPENSSL_zalloc(buflen);
if (dgst_buf == NULL) {
mb_flist_ecdsa_sign_push(tlv->ecdsa_sign_freelist, ecdsa_sign_req);
WARN("Failure to allocate dgst_buf\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_ECDSA_MALLOC_FAILURE);
goto err;
}
alloc_buf = 1;
memcpy(dgst_buf + buflen - dlen, dgst, dlen);
} else {
dgst_buf = (unsigned char *)dgst;
}
if (kinv == NULL || r == NULL) {
/* Get random k */
do {
if (!BN_priv_rand_range(k, order)) {
mb_flist_ecdsa_sign_push(tlv->ecdsa_sign_freelist, ecdsa_sign_req);
WARN("Failure in BN_priv_rand_range\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_RAND_GENERATE_FAILURE);
goto err;
}
} while (BN_is_zero(k));
} else {
BN_mod_inverse(k, kinv, order, ctx);
DEBUG("Not Generating Random K\n");
}
ecdsa_sign_req->sign_r = sig;
ecdsa_sign_req->sign_s = sig + buflen;
ecdsa_sign_req->digest = dgst_buf;
ecdsa_sign_req->eph_key = k;
ecdsa_sign_req->priv_key = priv_key;
ecdsa_sign_req->job = job;
ecdsa_sign_req->sts = &sts;
switch (bit_len) {
case EC_P256:
mb_queue_ecdsap256_sign_enqueue(tlv->ecdsap256_sign_queue, ecdsa_sign_req);
break;
case EC_P384:
mb_queue_ecdsap384_sign_enqueue(tlv->ecdsap384_sign_queue, ecdsa_sign_req);
break;
}
STOP_RDTSC(&ecdsa_cycles_sign_setup, 1, "[ECDSA:sign_setup]");
if (!enable_external_polling && (++req_num % MULTIBUFF_MAX_BATCH) == 0) {
DEBUG("Signal Polling thread, req_num %d\n", req_num);
if (qat_kill_thread(tlv->polling_thread, SIGUSR1) != 0) {
WARN("qat_kill_thread error\n");
/* If we fail the pthread_kill carry on as the timeout
* will catch processing the request in the polling thread */
}
}
DEBUG("Pausing: %p status = %d\n", ecdsa_sign_req, sts);
do {
/* If we get a failure on qat_pause_job then we will
* not flag an error here and quit because we have
* an asynchronous request in flight.
* We don't want to start cleaning up data
* structures that are still being used. If
* qat_pause_job fails we will just yield and
* loop around and try again until the request
* completes and we can continue. */
if ((job_ret = qat_pause_job(job, ASYNC_STATUS_OK)) == 0)
pthread_yield();
} while (QAT_CHK_JOB_RESUMED_UNEXPECTEDLY(job_ret));
DEBUG("Finished: %p status = %d\n", ecdsa_sign_req, sts);
if (sts) {
/* Convert the buffers to BN */
BN_bin2bn(sig, buflen, ecdsa_sig_r);
BN_bin2bn(sig + buflen, buflen, ecdsa_sig_s);
*siglen = i2d_ECDSA_SIG(s, &sig);
DEBUG("siglen %d, dlen %d\n", *siglen, dlen);
ECDSA_SIG_free(s);
ret = 1;
} else {
WARN("Failure in ECDSA Sign\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_ECDSA_SIGN_FAILURE);
goto err;
}
err:
if (!ret) {
ECDSA_SIG_free(s);
if (siglen != NULL)
*siglen = 0;
}
if (alloc_buf)
OPENSSL_free(dgst_buf);
if (ctx) {
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
return ret;
use_sw_method:
EC_KEY_METHOD_get_sign((EC_KEY_METHOD *) EC_KEY_OpenSSL(),
&sign_pfunc, NULL, NULL);
if (sign_pfunc == NULL) {
WARN("sign_pfunc is NULL\n");
QATerr(QAT_F_MB_ECDSA_SIGN, QAT_R_SW_GET_SIGN_PFUNC_NULL);
return ret;
}
return (*sign_pfunc)(type, dgst, dlen, sig, siglen, kinv, r, eckey);
}
int mb_ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in,
BIGNUM **kinvp, BIGNUM **rp)
{
int ret = 0, job_ret = 0, sts = 0, bit_len = 0;
const EC_GROUP *group;
const BIGNUM *priv_key;
ASYNC_JOB *job;
static __thread int req_num = 0;
BIGNUM *k = NULL, *r = NULL;
PFUNC_SIGN_SETUP sign_setup_pfunc = NULL;
ecdsa_sign_setup_op_data *ecdsa_sign_setup_req = NULL;
mb_thread_data *tlv = NULL;
DEBUG("Entering\n" );
if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL
|| (priv_key = EC_KEY_get0_private_key(eckey)) == NULL) {
WARN("eckey, group or priv_key is NULL\n");
QATerr(QAT_F_MB_ECDSA_SIGN_SETUP, QAT_R_EC_KEY_GROUP_PRIV_KEY_NULL);
return 0;
}
/* Check if curve is p256 or p384 */
if ((bit_len = mb_ec_check_curve(EC_GROUP_get_curve_name(group))) == 0) {
DEBUG("Curve type not supported, using SW Method %d\n",
EC_GROUP_get_curve_name(group));
goto use_sw_method;
}
/* Check if we are running asynchronously */
if ((job = ASYNC_get_current_job()) == NULL) {
DEBUG("Running synchronously using sw method\n");
goto use_sw_method;
}
/* Setup asynchronous notifications */
if (!qat_setup_async_event_notification(job)) {
DEBUG("Failed to setup async notifications, using sw method\n");
goto use_sw_method;
}
if (!EC_KEY_can_sign(eckey)) {
WARN("Curve doesn't support Signing\n");
QATerr(QAT_F_MB_ECDSA_SIGN_SETUP, QAT_R_CURVE_DOES_NOT_SUPPORT_SIGNING);
return ret;
}
tlv = mb_check_thread_local();
if (NULL == tlv) {
WARN("Could not create thread local variables\n");
goto use_sw_method;
}
while ((ecdsa_sign_setup_req =
mb_flist_ecdsa_sign_setup_pop(tlv->ecdsa_sign_setup_freelist)) == NULL) {
qat_wake_job(job, ASYNC_STATUS_EAGAIN);
qat_pause_job(job, ASYNC_STATUS_EAGAIN);
}
DEBUG("QAT SW ECDSA Started %p\n", ecdsa_sign_setup_req);
START_RDTSC(&ecdsa_cycles_sign_setup_setup);
/* Buffer up the requests and call the new functions when we have enough
* requests buffered up */
k = BN_new();
r = BN_new();
if (k == NULL || r == NULL) {
mb_flist_ecdsa_sign_setup_push(tlv->ecdsa_sign_setup_freelist, ecdsa_sign_setup_req);
WARN("Failure to allocate k or r\n");
QATerr(QAT_F_MB_ECDSA_SIGN_SETUP, QAT_R_ECDSA_MALLOC_FAILURE);
goto err;
}
ecdsa_sign_setup_req->k_inv = k;
ecdsa_sign_setup_req->sig_rp = r;
ecdsa_sign_setup_req->eph_key = priv_key;
ecdsa_sign_setup_req->job = job;
ecdsa_sign_setup_req->sts = &sts;
switch (bit_len) {
case EC_P256:
mb_queue_ecdsap256_sign_setup_enqueue(tlv->ecdsap256_sign_setup_queue, ecdsa_sign_setup_req);
break;
case EC_P384:
mb_queue_ecdsap384_sign_setup_enqueue(tlv->ecdsap384_sign_setup_queue, ecdsa_sign_setup_req);
break;
}
STOP_RDTSC(&ecdsa_cycles_sign_setup_setup, 1, "[ECDSA:sign_setup_setup]");
if (!enable_external_polling && (++req_num % MULTIBUFF_MAX_BATCH) == 0) {
DEBUG("Signal Polling thread, req_num %d\n", req_num);
if (qat_kill_thread(tlv->polling_thread, SIGUSR1) != 0) {
WARN("qat_kill_thread error\n");
/* If we fail the pthread_kill carry on as the timeout