This patch adds Elliptic Curve Multiplication
algorithm to Intel QuickAssist Technology PMD.
Signed-off-by: Arek Kusztal <arkadiuszx.kusz...@intel.com>
---
doc/guides/cryptodevs/qat.rst | 1 +
doc/guides/rel_notes/release_22_03.rst | 5 ++
drivers/common/qat/qat_adf/qat_pke.h | 20 ++++++++
drivers/crypto/qat/qat_asym.c | 85 +++++++++++++++++++++++++++++++++-
drivers/crypto/qat/qat_asym.h | 2 +
5 files changed, 112 insertions(+), 1 deletion(-)
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 c060cb562a..dc26157819 100644
--- a/doc/guides/rel_notes/release_22_03.rst
+++ b/doc/guides/rel_notes/release_22_03.rst
@@ -154,6 +154,11 @@ New Features
* ECDSA algorithm is now supported by Intel QuickAssist
Technology asymmetric crypto PMD.
+* **Updated Intel QuickAssist Technology asymmetric crypto PMD.**
+
+ * ECPM algorithm is now supported by Intel QuickAssist
+ Technology asymmetric crypto PMD.
+
Removed Items
-------------
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, \
@@ -689,6 +689,84 @@ ecdsa_collect(struct rte_crypto_asym_op *asym_op,
}
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,
struct qat_asym_op_cookie *cookie,
@@ -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
--
2.13.6
