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qat_hw_rsa.c
1770 lines (1589 loc) · 62 KB
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qat_hw_rsa.c
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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2016-2024 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_hw_rsa.c
*
* This file contains the engine implementations for RSA operations
*
*****************************************************************************/
/* macros defined to allow use of the cpu get and set affinity functions */
#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>
#include "qat_utils.h"
#include "e_qat.h"
#include "qat_hw_callback.h"
#include "qat_hw_polling.h"
#include "qat_events.h"
#ifdef ENABLE_QAT_FIPS
# include "qat_prov_cmvp.h"
#endif
#include "cpa.h"
#include "cpa_types.h"
#include "cpa_cy_rsa.h"
#include "cpa_cy_ln.h"
#include "qat_hw_rsa.h"
#include "qat_hw_asym_common.h"
#include "icp_sal_poll.h"
#include "qat_hw_rsa_crt.h"
#include "qat_evp.h"
#ifdef ENABLE_QAT_SW_RSA
# include "qat_sw_rsa.h"
#endif
/* To specify the RSA op sizes supported by QAT engine */
#ifdef QAT_INSECURE_ALGO
# define RSA_QAT_RANGE_MIN 512
#else
# define RSA_QAT_RANGE_MIN 2048
#endif
#if defined(QAT20_OOT) || defined(QAT_HW_INTREE)
# define RSA_QAT_RANGE_MAX 8192
#else
# define RSA_QAT_RANGE_MAX 4096
#endif
#define NO_PADDING 0
#define PADDING 1
#ifdef ENABLE_QAT_HW_RSA
/*
* The RSA range check is performed so that if the op sizes are not in the
* range supported by QAT engine then fall back to software
*/
static inline int qat_rsa_range_check(int plen)
{
return ((plen >= RSA_QAT_RANGE_MIN) && (plen <= RSA_QAT_RANGE_MAX));
}
/******************************************************************************
* function:
* qat_rsaCallbackFn(void *pCallbackTag, CpaStatus status,
* void *pOpData, CpaFlatBuffer * pOut)
*
* @param pCallbackTag [IN] - Opaque User Data for this specific call. Will
* be returned unchanged in the callback.
* @param status [IN] - Status result of the RSA operation.
* @param pOpData [IN] - Structure containing all the data needed to
* perform the RSA encryption operation.
* @param pOut [IN] - Pointer to buffer into which the result of
* the RSA encryption is written.
* description:
* Callback function used by RSA operations to indicate completion.
* Calls back to qat_crypto_callbackFn() as functionally it does the same.
*
******************************************************************************/
static void qat_rsaCallbackFn(void *pCallbackTag, CpaStatus status, void *pOpData,
CpaFlatBuffer * pOut)
{
# ifdef QAT_BORINGSSL
CpaBufferList pBuffer;
pBuffer.pBuffers = pOut;
qat_crypto_callbackFn(pCallbackTag, status, CPA_CY_SYM_OP_CIPHER, pOpData,
&pBuffer, CPA_TRUE);
# else
if (enable_heuristic_polling) {
QAT_ATOMIC_DEC(num_asym_requests_in_flight);
}
qat_crypto_callbackFn(pCallbackTag, status, CPA_CY_SYM_OP_CIPHER, pOpData,
NULL, CPA_TRUE);
# endif /* QAT_BORINGSSL */
}
static void
rsa_decrypt_op_buf_free(CpaCyRsaDecryptOpData * dec_op_data,
CpaFlatBuffer * out_buf, int qat_svm)
{
CpaCyRsaPrivateKeyRep2 *key = NULL;
DEBUG("- Started\n");
if (dec_op_data) {
if (dec_op_data->inputData.pData && !qat_svm)
qaeCryptoMemFreeNonZero(dec_op_data->inputData.pData);
if (dec_op_data->pRecipientPrivateKey) {
key = &dec_op_data->pRecipientPrivateKey->privateKeyRep2;
QAT_CLEANSE_MEMFREE_NONZERO_FLATBUFF(key->prime1P, qat_svm);
QAT_CLEANSE_MEMFREE_NONZERO_FLATBUFF(key->prime2Q, qat_svm);
QAT_CLEANSE_MEMFREE_NONZERO_FLATBUFF(key->exponent1Dp, qat_svm);
QAT_CLEANSE_MEMFREE_NONZERO_FLATBUFF(key->exponent2Dq, qat_svm);
QAT_CLEANSE_MEMFREE_NONZERO_FLATBUFF(key->coefficientQInv, qat_svm);
OPENSSL_free(dec_op_data->pRecipientPrivateKey);
}
OPENSSL_free(dec_op_data);
}
if (out_buf) {
if (out_buf->pData && !qat_svm)
qaeCryptoMemFreeNonZero(out_buf->pData);
OPENSSL_free(out_buf);
}
DEBUG("- Finished\n");
}
static int qat_rsa_decrypt(CpaCyRsaDecryptOpData * dec_op_data, int rsa_len,
CpaFlatBuffer * output_buf, int * fallback, int inst_num, int qat_svm)
{
/* Used for RSA Decrypt and RSA Sign */
op_done_t op_done;
CpaStatus sts = CPA_STATUS_FAIL;
int sync_mode_ret = 0;
thread_local_variables_t *tlv = NULL;
# ifdef QAT_BORINGSSL
op_done_t *op_done_bssl = NULL;
# else
int job_ret = 0;
# endif
DEBUG("- Started\n");
tlv = qat_check_create_local_variables();
if (NULL == tlv) {
WARN("could not create local variables\n");
QATerr(QAT_F_QAT_RSA_DECRYPT, ERR_R_INTERNAL_ERROR);
return 0;
}
#if defined(QAT_BORINGSSL)
qat_init_op_done(&op_done, qat_svm);
#else
qat_init_op_done(&op_done);
#endif
if (op_done.job != NULL) {
if (qat_setup_async_event_notification(op_done.job) == 0) {
WARN("Failed to setup async event notifications\n");
QATerr(QAT_F_QAT_RSA_DECRYPT, ERR_R_INTERNAL_ERROR);
qat_cleanup_op_done(&op_done);
return 0;
}
} else {
/*
* Sync mode
* Work-around:
* When num_requests_in_flight increased, the internal polling thread
* will begin to poll the instance.
*/
QAT_INC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
if (qat_use_signals()) {
if (tlv->localOpsInFlight == 1) {
if (sem_post(&hw_polling_thread_sem) != 0) {
WARN("hw sem_post failed!, hw_polling_thread_sem address: %p.\n",
&hw_polling_thread_sem);
QATerr(QAT_F_QAT_RSA_DECRYPT, ERR_R_INTERNAL_ERROR);
QAT_DEC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
return 0;
}
}
}
qat_cleanup_op_done(&op_done);
sync_mode_ret = qat_rsa_decrypt_CRT(dec_op_data, rsa_len, output_buf, fallback);
QAT_DEC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
return sync_mode_ret;
}
# ifdef QAT_BORINGSSL
op_done_bssl = (op_done_t*)op_done.job->copy_op_done(&op_done,
sizeof(op_done), (void (*)(void *, void *, int))rsa_decrypt_op_buf_free);
#endif
STOP_RDTSC(&qat_hw_rsa_dec_req_prepare, 1, "[QAT HW RSA: prepare]");
/*
* cpaCyRsaDecrypt() is the function called for RSA Sign in the API.
* For that particular case the dec_op_data [IN] contains both the
* private key value and the message (hash) value. The output_buf [OUT]
* stores the signature as the output once the request is fully completed.
* The sts return value contains 0 (CPA_STATUS_SUCCESS) if the request
* was successfully submitted.
*/
CRYPTO_QAT_LOG("- RSA\n");
do {
START_RDTSC(&qat_hw_rsa_dec_req_submit);
if (sts == CPA_STATUS_RETRY &&
(inst_num = get_instance(QAT_INSTANCE_ASYM, qat_svm))
== QAT_INVALID_INSTANCE) {
WARN("Failed to get an instance\n");
if (qat_get_sw_fallback_enabled()) {
CRYPTO_QAT_LOG("Failed to get an instance - fallback to SW - %s\n", __func__);
*fallback = 1;
} else {
QATerr(QAT_F_QAT_RSA_DECRYPT, ERR_R_INTERNAL_ERROR);
}
# ifdef QAT_BORINGSSL
op_done.job->free_op_done(op_done_bssl);
# endif
qat_clear_async_event_notification(op_done.job);
qat_cleanup_op_done(&op_done);
return 0;
}
DUMP_RSA_DECRYPT(qat_instance_handles[inst_num], &op_done, dec_op_data, output_buf);
# ifdef QAT_BORINGSSL
sts = cpaCyRsaDecrypt(qat_instance_handles[inst_num], qat_rsaCallbackFn,
op_done_bssl,
dec_op_data, output_buf);
/* No need for wake up job or pause job here */
#else
sts = cpaCyRsaDecrypt(qat_instance_handles[inst_num], qat_rsaCallbackFn,
&op_done,
dec_op_data, output_buf);
STOP_RDTSC(&qat_hw_rsa_dec_req_submit, 1, "[QAT HW RSA: submit]");
if (sts == CPA_STATUS_RETRY) {
DEBUG("cpaCyRsaDecrypt Retry \n");
if (qat_rsa_coexist) {
START_RDTSC(&qat_hw_rsa_dec_req_retry);
++num_rsa_priv_retry;
qat_sw_rsa_priv_req += QAT_SW_SWITCH_MB8;
*fallback = 1;
qat_cleanup_op_done(&op_done);
STOP_RDTSC(&qat_hw_rsa_dec_req_retry, 1, "[QAT HW RSA: retry]");
return 0;
} else {
if ((qat_wake_job(op_done.job, ASYNC_STATUS_EAGAIN) == 0) ||
(qat_pause_job(op_done.job, ASYNC_STATUS_EAGAIN) == 0)) {
WARN("qat_wake_job or qat_pause_job failed\n");
break;
}
}
}
# endif /* QAT_BORINGSSL */
}
while (sts == CPA_STATUS_RETRY);
if (sts != CPA_STATUS_SUCCESS) {
WARN("Failed to submit request to qat - status = %d\n", sts);
if (qat_get_sw_fallback_enabled() && (sts == CPA_STATUS_RESTARTING || sts == CPA_STATUS_FAIL)) {
CRYPTO_QAT_LOG("Failed to submit request to qat inst_num %d device_id %d - fallback to SW - %s\n",
inst_num,
qat_instance_details[inst_num].qat_instance_info.physInstId.packageId,
__func__);
*fallback = 1;
} else if (sts == CPA_STATUS_UNSUPPORTED) {
WARN("Algorithm Unsupported in QAT_HW! Using OpenSSL SW\n");
*fallback = 1;
} else {
QATerr(QAT_F_QAT_RSA_DECRYPT, ERR_R_INTERNAL_ERROR);
}
# ifdef QAT_BORINGSSL
op_done.job->free_op_done(op_done_bssl);
# endif
qat_clear_async_event_notification(op_done.job);
qat_cleanup_op_done(&op_done);
return 0;
}
QAT_INC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
if (qat_use_signals()) {
if (tlv->localOpsInFlight == 1) {
if (sem_post(&hw_polling_thread_sem) != 0) {
WARN("hw sem_post failed!, hw_polling_thread_sem address: %p.\n",
&hw_polling_thread_sem);
QATerr(QAT_F_QAT_RSA_DECRYPT, ERR_R_INTERNAL_ERROR);
QAT_DEC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
# ifdef QAT_BORINGSSL
op_done.job->free_op_done(op_done_bssl);
# endif
return 0;
}
}
}
# ifdef QAT_BORINGSSL
qat_cleanup_op_done(&op_done);
return -1; /* Async mode for BoringSSL */
# else
if (qat_get_sw_fallback_enabled()) {
CRYPTO_QAT_LOG("Submit success qat inst_num %d device_id %d - %s\n",
inst_num,
qat_instance_details[inst_num].qat_instance_info.physInstId.packageId,
__func__);
}
if (enable_heuristic_polling) {
QAT_ATOMIC_INC(num_asym_requests_in_flight);
}
if (qat_rsa_coexist)
++num_rsa_hw_priv_reqs;
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(op_done.job, ASYNC_STATUS_OK)) == 0)
sched_yield();
}
while (!op_done.flag ||
QAT_CHK_JOB_RESUMED_UNEXPECTEDLY(job_ret));
DUMP_RSA_DECRYPT_OUTPUT(output_buf);
QAT_DEC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
if (op_done.verifyResult != CPA_TRUE) {
WARN("Verification of result failed\n");
if (qat_get_sw_fallback_enabled() && op_done.status == CPA_STATUS_FAIL) {
CRYPTO_QAT_LOG("Verification of result failed for qat inst_num %d device_id %d - fallback to SW - %s\n",
inst_num,
qat_instance_details[inst_num].qat_instance_info.physInstId.packageId,
__func__);
*fallback = 1;
} else {
QATerr(QAT_F_QAT_RSA_DECRYPT, ERR_R_INTERNAL_ERROR);
}
qat_cleanup_op_done(&op_done);
return 0;
}
qat_cleanup_op_done(&op_done);
DEBUG("- Finished\n");
return 1;
# endif /* QAT_BORINGSSL */
}
static int
build_decrypt_op_buf(int flen, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding,
CpaCyRsaDecryptOpData ** dec_op_data,
CpaFlatBuffer ** output_buffer, int alloc_pad,
int inst_num, int qat_svm)
{
int rsa_len = 0;
int padding_result = 0;
CpaCyRsaPrivateKey *cpa_prv_key = NULL;
const BIGNUM *p = NULL;
const BIGNUM *q = NULL;
const BIGNUM *dmp1 = NULL;
const BIGNUM *dmq1 = NULL;
const BIGNUM *iqmp = NULL;
DEBUG("- Started\n");
RSA_get0_factors((const RSA*)rsa, &p, &q);
RSA_get0_crt_params((const RSA*)rsa, &dmp1, &dmq1, &iqmp);
if (p == NULL || q == NULL || dmp1 == NULL || dmq1 == NULL || iqmp == NULL) {
WARN("Either p %p, q %p, dmp1 %p, dmq1 %p, iqmp %p are NULL\n",
p, q, dmp1, dmq1, iqmp);
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, QAT_R_P_Q_DMP_DMQ_IQMP_NULL);
return 0;
}
DEBUG("flen = %d, padding = %d \n", flen, padding);
/* output signature should have same length as the RSA size */
rsa_len = RSA_size(rsa);
/* Padding check */
if ((padding != RSA_NO_PADDING) &&
(padding != RSA_PKCS1_PADDING) &&
(padding != RSA_PKCS1_OAEP_PADDING) &&
# ifndef QAT_OPENSSL_3
(padding != RSA_SSLV23_PADDING) &&
# endif
(padding != RSA_X931_PADDING)) {
WARN("Unknown Padding %d\n", padding);
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, QAT_R_PADDING_UNKNOWN);
return 0;
}
cpa_prv_key =
(CpaCyRsaPrivateKey *) OPENSSL_zalloc(sizeof(CpaCyRsaPrivateKey));
if (NULL == cpa_prv_key) {
WARN("Failed to allocate cpa_prv_key\n");
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, QAT_R_PRIV_KEY_MALLOC_FAILURE);
return 0;
}
/* output and input data MUST allocate memory for sign process */
/* memory allocation for DecOpdata[IN] */
*dec_op_data = OPENSSL_zalloc(sizeof(CpaCyRsaDecryptOpData));
if (NULL == *dec_op_data) {
WARN("Failed to allocate dec_op_data\n");
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, QAT_R_DEC_OP_DATA_MALLOC_FAILURE);
OPENSSL_free(cpa_prv_key);
return 0;
}
/* Setup the DecOpData structure */
(*dec_op_data)->pRecipientPrivateKey = cpa_prv_key;
cpa_prv_key->version = CPA_CY_RSA_VERSION_TWO_PRIME;
/* Setup the private key rep type 2 structure */
cpa_prv_key->privateKeyRepType = CPA_CY_RSA_PRIVATE_KEY_REP_TYPE_2;
if (qat_BN_to_FB(&cpa_prv_key->privateKeyRep2.prime1P, p, qat_svm) != 1 ||
qat_BN_to_FB(&cpa_prv_key->privateKeyRep2.prime2Q, q, qat_svm) != 1 ||
qat_BN_to_FB(&cpa_prv_key->privateKeyRep2.exponent1Dp, dmp1, qat_svm) != 1 ||
qat_BN_to_FB(&cpa_prv_key->privateKeyRep2.exponent2Dq, dmq1, qat_svm) != 1 ||
qat_BN_to_FB(&cpa_prv_key->privateKeyRep2.coefficientQInv, iqmp, qat_svm) != 1) {
WARN("Failed to convert privateKeyRep2 elements to flatbuffer\n");
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, QAT_R_P_Q_DMP_DMQ_CONVERT_TO_FB_FAILURE);
return 0;
}
if (qat_svm)
(*dec_op_data)->inputData.pData = (Cpa8U *) from;
else
(*dec_op_data)->inputData.pData = (Cpa8U *) qaeCryptoMemAlloc(
((padding != RSA_NO_PADDING) && alloc_pad) ? rsa_len : flen,
__FILE__,__LINE__);
if (NULL == (*dec_op_data)->inputData.pData) {
WARN("Failed to allocate (*dec_op_data)->inputData.pData\n");
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, QAT_R_INPUT_DATA_MALLOC_FAILURE);
return 0;
}
(*dec_op_data)->inputData.dataLenInBytes =
(padding != RSA_NO_PADDING) && alloc_pad ? rsa_len : flen;
if (alloc_pad) {
switch (padding) {
case RSA_PKCS1_PADDING:
padding_result =
RSA_padding_add_PKCS1_type_1((*dec_op_data)->inputData.pData,
rsa_len, from, flen);
break;
case RSA_X931_PADDING:
padding_result =
RSA_padding_add_X931((*dec_op_data)->inputData.pData,
rsa_len, from, flen);
break;
case RSA_NO_PADDING:
padding_result =
RSA_padding_add_none((*dec_op_data)->inputData.pData,
rsa_len, from, flen);
break;
default:
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, RSA_R_UNKNOWN_PADDING_TYPE);
break;
}
} else {
padding_result =
RSA_padding_add_none((*dec_op_data)->inputData.pData,
rsa_len, from, flen);
}
if (padding_result <= 0) {
WARN("Failed to add padding\n");
/* Error is raised within the padding function. */
return 0;
}
*output_buffer = OPENSSL_zalloc(sizeof(CpaFlatBuffer));
if (NULL == *output_buffer) {
WARN("Failed to allocate output_buffer\n");
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, QAT_R_OUTPUT_BUF_MALLOC_FAILURE);
return 0;
}
/*
* Memory allocation for DecOpdata[IN] the size of outputBuffer
* should big enough to contain RSA_size
*/
if (qat_svm)
(*output_buffer)->pData = (Cpa8U *) to;
else
(*output_buffer)->pData =
(Cpa8U *) qaeCryptoMemAlloc(rsa_len, __FILE__, __LINE__);
if (NULL == (*output_buffer)->pData) {
WARN("Failed to allocate output_buffer->pData\n");
QATerr(QAT_F_BUILD_DECRYPT_OP_BUF, QAT_R_RSA_OUTPUT_BUF_PDATA_MALLOC_FAILURE);
return 0;
}
(*output_buffer)->dataLenInBytes = rsa_len;
DEBUG("- Finished\n");
return 1;
}
static void
rsa_encrypt_op_buf_free(CpaCyRsaEncryptOpData * enc_op_data,
CpaFlatBuffer * out_buf, int qat_svm)
{
DEBUG("- Started\n");
if (enc_op_data) {
if (enc_op_data->pPublicKey) {
QAT_CLEANSE_MEMFREE_NONZERO_FLATBUFF(enc_op_data->pPublicKey->modulusN, qat_svm);
QAT_CLEANSE_MEMFREE_NONZERO_FLATBUFF(enc_op_data->pPublicKey->publicExponentE, qat_svm);
OPENSSL_free(enc_op_data->pPublicKey);
}
if (enc_op_data->inputData.pData) {
OPENSSL_cleanse(enc_op_data->inputData.pData, enc_op_data->inputData.dataLenInBytes);
QAT_MEM_FREE_NONZERO_BUFF(enc_op_data->inputData.pData,qat_svm);
}
OPENSSL_free(enc_op_data);
}
if (out_buf) {
if (out_buf->pData && !qat_svm) {
qaeCryptoMemFreeNonZero(out_buf->pData);
}
OPENSSL_free(out_buf);
}
DEBUG("- Finished\n");
}
static int qat_rsa_encrypt(CpaCyRsaEncryptOpData * enc_op_data,
CpaFlatBuffer * output_buf, int * fallback, int inst_num, int qat_svm)
{
/* Used for RSA Encrypt and RSA Verify */
op_done_t op_done;
CpaStatus sts = CPA_STATUS_FAIL;
int qatPerformOpRetries = 0;
int job_ret = 0;
thread_local_variables_t *tlv = NULL;
int iMsgRetry = getQatMsgRetryCount();
useconds_t ulPollInterval = getQatPollInterval();
DEBUG("- Started\n");
tlv = qat_check_create_local_variables();
if (NULL == tlv) {
WARN("could not create local variables\n");
QATerr(QAT_F_QAT_RSA_ENCRYPT, ERR_R_INTERNAL_ERROR);
return 0;
}
#if defined(QAT_BORINGSSL) && defined(ENABLE_QAT_HW_RSA)
qat_init_op_done(&op_done, qat_svm);
#else
qat_init_op_done(&op_done);
#endif
if (op_done.job != NULL) {
if (qat_setup_async_event_notification(op_done.job) == 0) {
WARN("Failed to setup async event notification\n");
QATerr(QAT_F_QAT_RSA_ENCRYPT, ERR_R_INTERNAL_ERROR);
qat_cleanup_op_done(&op_done);
return 0;
}
}
/*
* cpaCyRsaEncrypt() is the function called for RSA verify in the API.
* For that particular case the enc_op_data [IN] contains both the
* public key value and the signature value. The output_buf [OUT]
* stores the message as the output once the request is fully completed.
* The sts return value contains 0 (CPA_STATUS_SUCCESS) if the request
* was successfully submitted.
*/
CRYPTO_QAT_LOG("RSA - %s\n", __func__);
do {
if (sts == CPA_STATUS_RETRY &&
(inst_num = get_instance(QAT_INSTANCE_ASYM, qat_svm))
== QAT_INVALID_INSTANCE) {
WARN("Failed to get an instance\n");
if (qat_get_sw_fallback_enabled()) {
CRYPTO_QAT_LOG("Failed to get an instance - fallback to SW - %s\n", __func__);
*fallback = 1;
} else {
QATerr(QAT_F_QAT_RSA_ENCRYPT, ERR_R_INTERNAL_ERROR);
}
if (op_done.job != NULL) {
qat_clear_async_event_notification(op_done.job);
}
qat_cleanup_op_done(&op_done);
return 0;
}
DUMP_RSA_ENCRYPT(qat_instance_handles[inst_num], &op_done, enc_op_data, output_buf);
sts = cpaCyRsaEncrypt(qat_instance_handles[inst_num], qat_rsaCallbackFn, &op_done,
enc_op_data, output_buf);
if (sts == CPA_STATUS_RETRY) {
DEBUG("cpaCyRsaDecrypt Retry \n");
if (op_done.job == NULL) {
usleep(ulPollInterval +
(qatPerformOpRetries % QAT_RETRY_BACKOFF_MODULO_DIVISOR));
qatPerformOpRetries++;
if (iMsgRetry != QAT_INFINITE_MAX_NUM_RETRIES) {
if (qatPerformOpRetries >= iMsgRetry) {
WARN("No. of retries exceeded max retry : %d\n", iMsgRetry);
break;
}
}
} else {
if (qat_rsa_coexist) {
++num_rsa_pub_retry;
qat_sw_rsa_pub_req += QAT_SW_SWITCH_MB8;
*fallback = 1;
qat_cleanup_op_done(&op_done);
return 0;
} else {
if ((qat_wake_job(op_done.job, ASYNC_STATUS_EAGAIN) == 0) ||
(qat_pause_job(op_done.job, ASYNC_STATUS_EAGAIN) == 0)) {
WARN("qat_wake_job or qat_pause_job failed\n");
break;
}
}
}
}
}
while (sts == CPA_STATUS_RETRY);
if (sts != CPA_STATUS_SUCCESS) {
WARN("Failed to submit request to qat - status = %d\n", sts);
if (qat_get_sw_fallback_enabled() && (sts == CPA_STATUS_RESTARTING || sts == CPA_STATUS_FAIL)) {
CRYPTO_QAT_LOG("Failed to submit request to qat inst_num %d device_id %d - fallback to SW - %s\n",
inst_num,
qat_instance_details[inst_num].qat_instance_info.physInstId.packageId,
__func__);
*fallback = 1;
} else if (sts == CPA_STATUS_UNSUPPORTED) {
WARN("Algorithm Unsupported in QAT_HW! Using OpenSSL SW\n");
*fallback = 1;
} else {
QATerr(QAT_F_QAT_RSA_ENCRYPT, ERR_R_INTERNAL_ERROR);
}
if (op_done.job != NULL) {
qat_clear_async_event_notification(op_done.job);
}
qat_cleanup_op_done(&op_done);
return 0;
}
QAT_INC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
if (qat_use_signals()) {
if (tlv->localOpsInFlight == 1) {
if (sem_post(&hw_polling_thread_sem) != 0) {
WARN("hw sem_post failed!, hw_polling_thread_sem address: %p.\n",
&hw_polling_thread_sem);
QATerr(QAT_F_QAT_RSA_ENCRYPT, ERR_R_INTERNAL_ERROR);
QAT_DEC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
return 0;
}
}
}
if (qat_get_sw_fallback_enabled()) {
CRYPTO_QAT_LOG("Submit success qat inst_num %d device_id %d - %s\n",
inst_num,
qat_instance_details[inst_num].qat_instance_info.physInstId.packageId,
__func__);
}
if (enable_heuristic_polling) {
QAT_ATOMIC_INC(num_asym_requests_in_flight);
}
if (qat_rsa_coexist)
++num_rsa_hw_pub_reqs;
do {
if(op_done.job != NULL) {
/* 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(op_done.job, ASYNC_STATUS_OK)) == 0)
sched_yield();
} else {
if(getEnableInlinePolling())
icp_sal_CyPollInstance(qat_instance_handles[inst_num], 0);
else
sched_yield();
}
} while (!op_done.flag ||
QAT_CHK_JOB_RESUMED_UNEXPECTEDLY(job_ret));
DUMP_RSA_ENCRYPT_OUTPUT(output_buf);
QAT_DEC_IN_FLIGHT_REQS(num_requests_in_flight, tlv);
if (op_done.verifyResult != CPA_TRUE) {
WARN("Verification of result failed\n");
if (qat_get_sw_fallback_enabled() && op_done.status == CPA_STATUS_FAIL) {
CRYPTO_QAT_LOG("Verification of result failed for qat inst_num %d device_id %d - fallback to SW - %s\n",
inst_num,
qat_instance_details[inst_num].qat_instance_info.physInstId.packageId,
__func__);
*fallback = 1;
} else {
QATerr(QAT_F_QAT_RSA_ENCRYPT, ERR_R_INTERNAL_ERROR);
}
qat_cleanup_op_done(&op_done);
return 0;
}
qat_cleanup_op_done(&op_done);
return 1;
}
static int
build_encrypt_op_buf(int flen, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding,
CpaCyRsaEncryptOpData ** enc_op_data,
CpaFlatBuffer ** output_buffer, int alloc_pad, int qat_svm)
{
CpaCyRsaPublicKey *cpa_pub_key = NULL;
int rsa_len = 0;
int padding_result = 0;
const BIGNUM *n = NULL;
const BIGNUM *e = NULL;
const BIGNUM *d = NULL;
DEBUG("- Started\n");
RSA_get0_key((const RSA*)rsa, &n, &e, &d);
/* Note: not checking 'd' as it is not used */
if (n == NULL || e == NULL) {
WARN("RSA key values n = %p or e = %p are NULL\n", n, e);
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, QAT_R_N_E_NULL);
return 0;
}
DEBUG("flen =%d, padding = %d \n", flen, padding);
rsa_len = RSA_size(rsa);
if ((padding != RSA_NO_PADDING) &&
(padding != RSA_PKCS1_PADDING) &&
(padding != RSA_PKCS1_OAEP_PADDING) &&
# ifndef QAT_OPENSSL_3
(padding != RSA_SSLV23_PADDING) &&
# endif
(padding != RSA_X931_PADDING)) {
WARN("Unknown Padding %d\n", padding);
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, QAT_R_UNKNOWN_PADDING);
return 0;
}
cpa_pub_key = OPENSSL_zalloc(sizeof(CpaCyRsaPublicKey));
if (NULL == cpa_pub_key) {
WARN("Public Key zalloc failed\n");
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, QAT_R_PUB_KEY_MALLOC_FAILURE);
return 0;
}
/* Output and input data MUST allocate memory for RSA verify process */
/* Memory allocation for EncOpData[IN] */
*enc_op_data = OPENSSL_zalloc(sizeof(CpaCyRsaEncryptOpData));
if (NULL == *enc_op_data) {
WARN("Failed to allocate enc_op_data\n");
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, QAT_R_ENC_OP_DATA_MALLOC_FAILURE);
OPENSSL_free(cpa_pub_key);
return 0;
}
/* Setup the Encrypt operation Data structure */
(*enc_op_data)->pPublicKey = cpa_pub_key;
/* Passing Public key from big number format to big endian order binary */
if (qat_BN_to_FB(&cpa_pub_key->modulusN, n, qat_svm) != 1 ||
qat_BN_to_FB(&cpa_pub_key->publicExponentE, e, qat_svm) != 1) {
WARN("Failed to convert cpa_pub_key elements to flatbuffer\n");
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, QAT_R_N_E_CONVERT_TO_FB_FAILURE);
return 0;
}
(*enc_op_data)->inputData.pData = (Cpa8U *) qat_mem_alloc(
((padding != RSA_NO_PADDING) && alloc_pad) ? rsa_len : flen, qat_svm,
__FILE__,__LINE__);
if (NULL == (*enc_op_data)->inputData.pData) {
WARN("Failed to allocate (*enc_op_data)->inputData.pData\n");
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, QAT_R_INPUT_DATA_MALLOC_FAILURE);
return 0;
}
(*enc_op_data)->inputData.dataLenInBytes =
((padding != RSA_NO_PADDING) && alloc_pad) ? rsa_len : flen;
if (alloc_pad) {
switch (padding) {
case RSA_PKCS1_PADDING:
padding_result =
RSA_padding_add_PKCS1_type_2((*enc_op_data)->inputData.pData,
rsa_len, from, flen);
break;
case RSA_PKCS1_OAEP_PADDING:
padding_result =
RSA_padding_add_PKCS1_OAEP((*enc_op_data)->inputData.pData,
rsa_len, from, flen, NULL, 0);
break;
# ifndef QAT_OPENSSL_3
case RSA_SSLV23_PADDING:
padding_result =
RSA_padding_add_SSLv23((*enc_op_data)->inputData.pData,
rsa_len, from, flen);
break;
# endif
case RSA_NO_PADDING:
padding_result =
RSA_padding_add_none((*enc_op_data)->inputData.pData,
rsa_len, from, flen);
break;
default:
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, RSA_R_UNKNOWN_PADDING_TYPE);
break;
}
} else {
padding_result =
RSA_padding_add_none((*enc_op_data)->inputData.pData,
rsa_len, from, flen);
}
if (padding_result <= 0) {
WARN("Failed to add padding\n");
/* Error is raised within the padding function. */
return 0;
}
/*
* Memory allocation for outputBuffer[OUT] OutputBuffer size initialize
* as the size of rsa size
*/
(*output_buffer) =
(CpaFlatBuffer *) OPENSSL_zalloc(sizeof(CpaFlatBuffer));
if (NULL == (*output_buffer)) {
WARN("Failed to allocate output_buffer\n");
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, QAT_R_OUTPUT_BUF_MALLOC_FAILURE);
return 0;
}
/*
* outputBuffer size should large enough to hold the Hash value but
* smaller than (RSA_size(rsa)-11)
*/
(*output_buffer)->dataLenInBytes = rsa_len;
if (!qat_svm)
(*output_buffer)->pData = qaeCryptoMemAlloc(rsa_len, __FILE__, __LINE__);
else
(*output_buffer)->pData = (Cpa8U *) to;
if (NULL == (*output_buffer)->pData) {
WARN("Failed to allocate (*output_buffer)->pData\n");
QATerr(QAT_F_BUILD_ENCRYPT_OP_BUF, QAT_R_OUTPUT_BUF_PDATA_MALLOC_FAILURE);
return 0;;
}
DEBUG("- Finished\n");
return 1;
}
/******************************************************************************
* function:
* qat_rsa_priv_enc (int flen,
* const unsigned char *from,
* unsigned char *to,
* RSA *rsa,
* int padding)
*
* @param flen [IN] - length in bytes of input file
* @param from [IN] - pointer to the input file
* @param to [OUT] - pointer to output signature
* @param rsa [IN] - pointer to private key structure
* @param padding [IN] - Padding scheme
*
* description: Perform an RSA private encrypt (RSA Sign)
* We use the decrypt implementation to achieve this.
******************************************************************************/
int qat_rsa_priv_enc(int flen, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding)
{
int rsa_len = 0;
CpaCyRsaDecryptOpData *dec_op_data = NULL;
CpaFlatBuffer *output_buffer = NULL;
int sts = 1, fallback = 0, dec_ret = 0;
int inst_num = QAT_INVALID_INSTANCE;
int qat_svm = QAT_INSTANCE_ANY;
# ifndef DISABLE_QAT_HW_LENSTRA_PROTECTION
unsigned char *ver_msg = NULL;
const BIGNUM *n = NULL;
const BIGNUM *e = NULL;
const BIGNUM *d = NULL;
int lenstra_ret = 0;
# endif
#ifdef ENABLE_QAT_HW_KPT
if (rsa && qat_check_rsa_wpk(rsa) > 0) {
if (is_kpt_mode()) {
DEBUG("Run the qat_rsa_priv_enc in KPT mode.\n");
return qat_hw_kpt_rsa_priv_enc(flen, from, to, rsa, padding);
}
else {
WARN("Use the WPK in Non-KPT mode, return failed.\n");
return 0;
}
}
#endif
DEBUG("QAT HW RSA Started.\n");
#ifdef ENABLE_QAT_FIPS
qat_fips_get_approved_status();
#endif
if ((qat_sw_rsa_priv_req > 0) || qat_get_qat_offload_disabled()) {
fallback = 1;
goto exit;
}
START_RDTSC(&qat_hw_rsa_dec_req_prepare);
/* Parameter Checking */
/*
* The input message length should be less than or equal to RSA size and also have
* minimum space of at least 11 bytes of padding if using PKCS1 padding.
*/
if (unlikely(rsa == NULL || from == NULL || to == NULL || flen <= 0)) {
WARN("RSA key, input or output is NULL or invalid length, \
flen = %d\n", flen);
QATerr(QAT_F_QAT_RSA_PRIV_ENC, QAT_R_RSA_FROM_TO_NULL);
return 0;
}
rsa_len = RSA_size(rsa);
/*
* If the op sizes are not in the range supported by QAT engine then fall
* back to software
*/