From: Arek Kusztal Date: Mon, 21 Feb 2022 10:48:30 +0000 (+0000) Subject: crypto/qat: add ECPM algorithm X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=6c25a68adcb4b84f63b0ad946665f042367c09c6;p=dpdk.git crypto/qat: add ECPM algorithm This patch adds Elliptic Curve Multiplication algorithm to Intel QuickAssist Technology PMD. Signed-off-by: Arek Kusztal --- diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index 593c2471ed..785e041324 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -176,6 +176,7 @@ The QAT ASYM PMD has support for: * ``RTE_CRYPTO_ASYM_XFORM_MODINV`` * ``RTE_CRYPTO_ASYM_XFORM_RSA`` * ``RTE_CRYPTO_ASYM_XFORM_ECDSA`` +* ``RTE_CRYPTO_ASYM_XFORM_ECPM`` Limitations ~~~~~~~~~~~ diff --git a/doc/guides/rel_notes/release_22_03.rst b/doc/guides/rel_notes/release_22_03.rst index ca66cbd9e5..36831ca4e4 100644 --- a/doc/guides/rel_notes/release_22_03.rst +++ b/doc/guides/rel_notes/release_22_03.rst @@ -140,6 +140,7 @@ New Features * Added support for CPM2.0b (4942) devices. * Added ECDSA algorithm support. + * Added ECPM algorithm support. * **Added an API to retrieve event port id of ethdev Rx adapter.** diff --git a/drivers/common/qat/qat_adf/qat_pke.h b/drivers/common/qat/qat_adf/qat_pke.h index 1fe5f6bd8e..092fc373de 100644 --- a/drivers/common/qat/qat_adf/qat_pke.h +++ b/drivers/common/qat/qat_adf/qat_pke.h @@ -252,4 +252,24 @@ get_ecdsa_function(struct rte_crypto_asym_xform *xform) return qat_function; } +static struct qat_asym_function +get_ecpm_function(struct rte_crypto_asym_xform *xform) +{ + struct qat_asym_function qat_function; + + switch (xform->ec.curve_id) { + case RTE_CRYPTO_EC_GROUP_SECP256R1: + qat_function.func_id = MATHS_POINT_MULTIPLICATION_GFP_L256; + qat_function.bytesize = 32; + break; + case RTE_CRYPTO_EC_GROUP_SECP521R1: + qat_function.func_id = MATHS_POINT_MULTIPLICATION_GFP_521; + qat_function.bytesize = 66; + break; + default: + qat_function.func_id = 0; + } + return qat_function; +} + #endif diff --git a/drivers/crypto/qat/qat_asym.c b/drivers/crypto/qat/qat_asym.c index 24dd3ee57f..af96cc6bd2 100644 --- a/drivers/crypto/qat/qat_asym.c +++ b/drivers/crypto/qat/qat_asym.c @@ -83,7 +83,7 @@ static const struct rte_driver cryptodev_qat_asym_driver = { what.length) #define SET_PKE_LN_EC(where, what, how, idx) \ - rte_memcpy(&where[idx * RTE_ALIGN_CEIL(how, 8)] + \ + rte_memcpy(where[idx] + \ RTE_ALIGN_CEIL(how, 8) - \ how, \ what.data, \ @@ -688,6 +688,84 @@ ecdsa_collect(struct rte_crypto_asym_op *asym_op, return RTE_CRYPTO_OP_STATUS_SUCCESS; } +static int +ecpm_set_input(struct rte_crypto_asym_op *asym_op, + struct icp_qat_fw_pke_request *qat_req, + struct qat_asym_op_cookie *cookie, + struct rte_crypto_asym_xform *xform) +{ + struct qat_asym_function qat_function; + uint32_t alg_bytesize, __rte_unused qat_alg_bytesize, func_id; + int curve_id; + + curve_id = pick_curve(xform); + if (curve_id < 0) { + QAT_LOG(ERR, "Incorrect elliptic curve"); + return -EINVAL; + } + + qat_function = get_ecpm_function(xform); + func_id = qat_function.func_id; + if (func_id == 0) { + QAT_LOG(ERR, "Cannot obtain functionality id"); + return -EINVAL; + } + alg_bytesize = qat_function.bytesize; + qat_alg_bytesize = RTE_ALIGN_CEIL(alg_bytesize, 8); + + SET_PKE_LN(cookie->input_array, asym_op->ecpm.scalar, + alg_bytesize, 0); + SET_PKE_LN(cookie->input_array, asym_op->ecpm.p.x, + alg_bytesize, 1); + SET_PKE_LN(cookie->input_array, asym_op->ecpm.p.y, + alg_bytesize, 2); + SET_PKE_LN_EC(cookie->input_array, curve[SECP256R1].a, + alg_bytesize, 3); + SET_PKE_LN_EC(cookie->input_array, curve[SECP256R1].b, + alg_bytesize, 4); + SET_PKE_LN_EC(cookie->input_array, curve[SECP256R1].p, + alg_bytesize, 5); + SET_PKE_LN_EC(cookie->input_array, curve[SECP256R1].h, + alg_bytesize, 6); + + cookie->alg_bytesize = alg_bytesize; + qat_req->pke_hdr.cd_pars.func_id = func_id; + qat_req->input_param_count = + QAT_ASYM_ECPM_IN_PARAMS; + qat_req->output_param_count = + QAT_ASYM_ECPM_OUT_PARAMS; + + HEXDUMP("k", cookie->input_array[0], qat_alg_bytesize); + HEXDUMP("xG", cookie->input_array[1], qat_alg_bytesize); + HEXDUMP("yG", cookie->input_array[2], qat_alg_bytesize); + HEXDUMP("a", cookie->input_array[3], qat_alg_bytesize); + HEXDUMP("b", cookie->input_array[4], qat_alg_bytesize); + HEXDUMP("q", cookie->input_array[5], qat_alg_bytesize); + HEXDUMP("h", cookie->input_array[6], qat_alg_bytesize); + + return 0; +} + +static uint8_t +ecpm_collect(struct rte_crypto_asym_op *asym_op, + struct qat_asym_op_cookie *cookie) +{ + uint8_t *r = asym_op->ecpm.r.x.data; + uint8_t *s = asym_op->ecpm.r.y.data; + uint32_t alg_bytesize = cookie->alg_bytesize; + + asym_op->ecpm.r.x.length = alg_bytesize; + asym_op->ecpm.r.y.length = alg_bytesize; + rte_memcpy(r, cookie->output_array[0], alg_bytesize); + rte_memcpy(s, cookie->output_array[1], alg_bytesize); + + HEXDUMP("rX", cookie->output_array[0], + alg_bytesize); + HEXDUMP("rY", cookie->output_array[1], + alg_bytesize); + return RTE_CRYPTO_OP_STATUS_SUCCESS; +} + static int asym_set_input(struct rte_crypto_asym_op *asym_op, struct icp_qat_fw_pke_request *qat_req, @@ -707,6 +785,9 @@ asym_set_input(struct rte_crypto_asym_op *asym_op, case RTE_CRYPTO_ASYM_XFORM_ECDSA: return ecdsa_set_input(asym_op, qat_req, cookie, xform); + case RTE_CRYPTO_ASYM_XFORM_ECPM: + return ecpm_set_input(asym_op, qat_req, + cookie, xform); default: QAT_LOG(ERR, "Invalid/unsupported asymmetric crypto xform"); return -EINVAL; @@ -783,6 +864,8 @@ qat_asym_collect_response(struct rte_crypto_op *rx_op, return rsa_collect(asym_op, cookie); case RTE_CRYPTO_ASYM_XFORM_ECDSA: return ecdsa_collect(asym_op, cookie); + case RTE_CRYPTO_ASYM_XFORM_ECPM: + return ecpm_collect(asym_op, cookie); default: QAT_LOG(ERR, "Not supported xform type"); return RTE_CRYPTO_OP_STATUS_ERROR; diff --git a/drivers/crypto/qat/qat_asym.h b/drivers/crypto/qat/qat_asym.h index 5e926125f2..6267c53bea 100644 --- a/drivers/crypto/qat/qat_asym.h +++ b/drivers/crypto/qat/qat_asym.h @@ -32,6 +32,8 @@ typedef uint64_t large_int_ptr; #define QAT_ASYM_ECDSA_RS_SIGN_OUT_PARAMS 2 #define QAT_ASYM_ECDSA_RS_VERIFY_IN_PARAMS 1 #define QAT_ASYM_ECDSA_RS_VERIFY_OUT_PARAMS 0 +#define QAT_ASYM_ECPM_IN_PARAMS 7 +#define QAT_ASYM_ECPM_OUT_PARAMS 2 /** * helper function to add an asym capability