X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Fqat%2Fqat_asym.c;h=4ddb0e5f2a1d75b82bbb0d2729126a85cf632a1c;hb=e162b8e910d2acd33d47844a776ea58e50231ce6;hp=708bafa5d5170cbcc088bf9af27f5474179755c1;hpb=f81cbc208fd0b18f48d1d7eaa6445a269e253c8d;p=dpdk.git diff --git a/drivers/crypto/qat/qat_asym.c b/drivers/crypto/qat/qat_asym.c index 708bafa5d5..4ddb0e5f2a 100644 --- a/drivers/crypto/qat/qat_asym.c +++ b/drivers/crypto/qat/qat_asym.c @@ -11,7 +11,7 @@ #define qat_asym_sz_2param(arg) (arg, sizeof(arg)/sizeof(*arg)) -static int __rte_unused qat_asym_get_sz_and_func_id(const uint32_t arr[][2], +static int qat_asym_get_sz_and_func_id(const uint32_t arr[][2], size_t arr_sz, size_t *size, uint32_t *func_id) { size_t i; @@ -27,7 +27,7 @@ static int __rte_unused qat_asym_get_sz_and_func_id(const uint32_t arr[][2], } static void qat_asym_build_req_tmpl(void *sess_private_data, - struct rte_crypto_asym_xform __rte_unused *xform) + struct rte_crypto_asym_xform *xform) { struct icp_qat_fw_pke_request *qat_req; @@ -50,9 +50,17 @@ static void qat_asym_build_req_tmpl(void *sess_private_data, qat_req->resrvd1 = 0; qat_req->resrvd2 = 0; qat_req->next_req_adr = 0; + + if (xform->xform_type == RTE_CRYPTO_ASYM_XFORM_MODEX) { + qat_req->output_param_count = 1; + qat_req->input_param_count = 3; + } else if (xform->xform_type == RTE_CRYPTO_ASYM_XFORM_MODINV) { + qat_req->output_param_count = 1; + qat_req->input_param_count = 2; + } } -static size_t __rte_unused max_of(int n, ...) +static size_t max_of(int n, ...) { va_list args; size_t len = 0, num; @@ -71,7 +79,7 @@ static size_t __rte_unused max_of(int n, ...) return len; } -static void __rte_unused qat_clear_arrays(struct qat_asym_op_cookie *cookie, +static void qat_clear_arrays(struct qat_asym_op_cookie *cookie, int in_count, int out_count, int in_size, int out_size) { int i; @@ -82,7 +90,7 @@ static void __rte_unused qat_clear_arrays(struct qat_asym_op_cookie *cookie, memset(cookie->output_array[i], 0x0, out_size); } -static int __rte_unused qat_asym_check_nonzero(rte_crypto_param n) +static int qat_asym_check_nonzero(rte_crypto_param n) { if (n.length < 8) { /* Not a case for any cryptograpic function except for DH @@ -120,12 +128,17 @@ qat_asym_build_request(void *in_op, { struct qat_asym_session *ctx; struct rte_crypto_op *op = (struct rte_crypto_op *)in_op; - struct rte_crypto_asym_op __rte_unused *asym_op = op->asym; + struct rte_crypto_asym_op *asym_op = op->asym; struct icp_qat_fw_pke_request *qat_req = (struct icp_qat_fw_pke_request *)out_msg; struct qat_asym_op_cookie *cookie = (struct qat_asym_op_cookie *)op_cookie; + uint64_t err = 0; + size_t alg_size; + size_t alg_size_in_bytes; + uint32_t func_id; + ctx = (struct qat_asym_session *)get_asym_session_private_data( op->asym->session, cryptodev_qat_asym_driver_id); rte_mov64((uint8_t *)qat_req, (const uint8_t *)&(ctx->req_tmpl)); @@ -134,7 +147,103 @@ qat_asym_build_request(void *in_op, qat_req->pke_mid.src_data_addr = cookie->input_addr; qat_req->pke_mid.dest_data_addr = cookie->output_addr; - goto error; + if (ctx->alg == QAT_PKE_MODEXP) { + err = qat_asym_check_nonzero(ctx->sess_alg_params.mod_exp.n); + if (err) { + QAT_LOG(ERR, "Empty modulus in modular exponentiation," + " aborting this operation"); + goto error; + } + + alg_size_in_bytes = max_of(3, asym_op->modex.base.length, + ctx->sess_alg_params.mod_exp.e.length, + ctx->sess_alg_params.mod_exp.n.length); + alg_size = alg_size_in_bytes << 3; + + if (qat_asym_get_sz_and_func_id(MOD_EXP_SIZE, + sizeof(MOD_EXP_SIZE)/sizeof(*MOD_EXP_SIZE), + &alg_size, &func_id)) { + err = QAT_ASYM_ERROR_INVALID_PARAM; + goto error; + } + + alg_size_in_bytes = alg_size >> 3; + rte_memcpy(cookie->input_array[0] + alg_size_in_bytes - + asym_op->modex.base.length + , asym_op->modex.base.data, + asym_op->modex.base.length); + rte_memcpy(cookie->input_array[1] + alg_size_in_bytes - + ctx->sess_alg_params.mod_exp.e.length + , ctx->sess_alg_params.mod_exp.e.data, + ctx->sess_alg_params.mod_exp.e.length); + rte_memcpy(cookie->input_array[2] + alg_size_in_bytes - + ctx->sess_alg_params.mod_exp.n.length, + ctx->sess_alg_params.mod_exp.n.data, + ctx->sess_alg_params.mod_exp.n.length); + cookie->alg_size = alg_size; + qat_req->pke_hdr.cd_pars.func_id = func_id; +#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG + QAT_DP_HEXDUMP_LOG(DEBUG, "base", + cookie->input_array[0], + alg_size_in_bytes); + QAT_DP_HEXDUMP_LOG(DEBUG, "exponent", + cookie->input_array[1], + alg_size_in_bytes); + QAT_DP_HEXDUMP_LOG(DEBUG, "modulus", + cookie->input_array[2], + alg_size_in_bytes); +#endif + } else if (ctx->alg == QAT_PKE_MODINV) { + err = qat_asym_check_nonzero(ctx->sess_alg_params.mod_inv.n); + if (err) { + QAT_LOG(ERR, "Empty modulus in modular multiplicative" + " inverse, aborting this operation"); + goto error; + } + + alg_size_in_bytes = max_of(2, asym_op->modinv.base.length, + ctx->sess_alg_params.mod_inv.n.length); + alg_size = alg_size_in_bytes << 3; + + if (ctx->sess_alg_params.mod_inv.n.data[ + ctx->sess_alg_params.mod_inv.n.length - 1] & 0x01) { + if (qat_asym_get_sz_and_func_id(MOD_INV_IDS_ODD, + sizeof(MOD_INV_IDS_ODD)/ + sizeof(*MOD_INV_IDS_ODD), + &alg_size, &func_id)) { + err = QAT_ASYM_ERROR_INVALID_PARAM; + goto error; + } + } else { + if (qat_asym_get_sz_and_func_id(MOD_INV_IDS_EVEN, + sizeof(MOD_INV_IDS_EVEN)/ + sizeof(*MOD_INV_IDS_EVEN), + &alg_size, &func_id)) { + err = QAT_ASYM_ERROR_INVALID_PARAM; + goto error; + } + } + + alg_size_in_bytes = alg_size >> 3; + rte_memcpy(cookie->input_array[0] + alg_size_in_bytes - + asym_op->modinv.base.length + , asym_op->modinv.base.data, + asym_op->modinv.base.length); + rte_memcpy(cookie->input_array[1] + alg_size_in_bytes - + ctx->sess_alg_params.mod_inv.n.length + , ctx->sess_alg_params.mod_inv.n.data, + ctx->sess_alg_params.mod_inv.n.length); + cookie->alg_size = alg_size; + qat_req->pke_hdr.cd_pars.func_id = func_id; +#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG + QAT_DP_HEXDUMP_LOG(DEBUG, "base", + cookie->input_array[0], + alg_size_in_bytes); + QAT_DP_HEXDUMP_LOG(DEBUG, "modulus", + cookie->input_array[1], + alg_size_in_bytes); +#endif + } #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG QAT_DP_HEXDUMP_LOG(DEBUG, "qat_req:", qat_req, @@ -145,7 +254,7 @@ error: qat_req->output_param_count = 0; qat_req->input_param_count = 0; qat_req->pke_hdr.service_type = ICP_QAT_FW_COMN_REQ_NULL; - cookie->error |= QAT_ASYM_ERROR_INVALID_PARAM; + cookie->error |= err; return 0; } @@ -154,11 +263,17 @@ void qat_asym_process_response(void **op, uint8_t *resp, void *op_cookie) { + struct qat_asym_session *ctx; struct icp_qat_fw_pke_resp *resp_msg = (struct icp_qat_fw_pke_resp *)resp; struct rte_crypto_op *rx_op = (struct rte_crypto_op *)(uintptr_t) (resp_msg->opaque); + struct rte_crypto_asym_op *asym_op = rx_op->asym; struct qat_asym_op_cookie *cookie = op_cookie; + size_t alg_size, alg_size_in_bytes; + + ctx = (struct qat_asym_session *)get_asym_session_private_data( + rx_op->asym->session, cryptodev_qat_asym_driver_id); *op = rx_op; rx_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; @@ -179,6 +294,50 @@ qat_asym_process_response(void **op, uint8_t *resp, } } + if (ctx->alg == QAT_PKE_MODEXP) { + alg_size = cookie->alg_size; + alg_size_in_bytes = alg_size >> 3; + uint8_t *modexp_result = asym_op->modex.result.data; + + if (rx_op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED) { + rte_memcpy(modexp_result + + (asym_op->modex.result.length - + ctx->sess_alg_params.mod_exp.n.length), + cookie->output_array[0] + alg_size_in_bytes + - ctx->sess_alg_params.mod_exp.n.length, + ctx->sess_alg_params.mod_exp.n.length + ); + rx_op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; +#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG + QAT_DP_HEXDUMP_LOG(DEBUG, "modexp_result", + cookie->output_array[0], + alg_size_in_bytes); +#endif + } + qat_clear_arrays(cookie, 3, 1, alg_size_in_bytes, + alg_size_in_bytes); + } else if (ctx->alg == QAT_PKE_MODINV) { + alg_size = cookie->alg_size; + alg_size_in_bytes = alg_size >> 3; + uint8_t *modinv_result = asym_op->modinv.result.data; + + if (rx_op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED) { + rte_memcpy(modinv_result + (asym_op->modinv.result.length + - ctx->sess_alg_params.mod_inv.n.length), + cookie->output_array[0] + alg_size_in_bytes + - ctx->sess_alg_params.mod_inv.n.length, + ctx->sess_alg_params.mod_inv.n.length); + rx_op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; +#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG + QAT_DP_HEXDUMP_LOG(DEBUG, "modinv_result", + cookie->output_array[0], + alg_size_in_bytes); +#endif + } + qat_clear_arrays(cookie, 2, 1, alg_size_in_bytes, + alg_size_in_bytes); + } + #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG QAT_DP_HEXDUMP_LOG(DEBUG, "resp_msg:", resp_msg, sizeof(struct icp_qat_fw_pke_resp)); @@ -191,24 +350,49 @@ qat_asym_session_configure(struct rte_cryptodev *dev, struct rte_cryptodev_asym_session *sess, struct rte_mempool *mempool) { - int err; + int err = 0; void *sess_private_data; + struct qat_asym_session *session; - err = -EINVAL; - goto error; if (rte_mempool_get(mempool, &sess_private_data)) { QAT_LOG(ERR, "Couldn't get object from session mempool"); return -ENOMEM; } + session = sess_private_data; + if (xform->xform_type == RTE_CRYPTO_ASYM_XFORM_MODEX) { + session->sess_alg_params.mod_exp.e = xform->modex.exponent; + session->sess_alg_params.mod_exp.n = xform->modex.modulus; + session->alg = QAT_PKE_MODEXP; + + if (xform->modex.exponent.length == 0 || + xform->modex.modulus.length == 0) { + QAT_LOG(ERR, "Invalid mod exp input parameter"); + err = -EINVAL; + goto error; + } + } else if (xform->xform_type == RTE_CRYPTO_ASYM_XFORM_MODINV) { + session->sess_alg_params.mod_inv.n = xform->modinv.modulus; + session->alg = QAT_PKE_MODINV; + + if (xform->modinv.modulus.length == 0) { + QAT_LOG(ERR, "Invalid mod inv input parameter"); + err = -EINVAL; + goto error; + } + } else { + QAT_LOG(ERR, "Invalid asymmetric crypto xform"); + err = -EINVAL; + goto error; + } qat_asym_build_req_tmpl(sess_private_data, xform); - set_asym_session_private_data(sess, dev->driver_id, sess_private_data); return 0; error: + rte_mempool_put(mempool, sess_private_data); return err; }