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crypto/qat: add ECDH key exchange algorithm

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This commit adds ECDH key exchange algorithm to Intel QuickAssist
Technology driver.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
Acked-by: Kai Ji <kai.ji@intel.com>
This commit is contained in:
Arek Kusztal 2022-10-20 16:09:39 +01:00 committed by Akhil Goyal
parent 841cea1c7e
commit 305e1f856f
4 changed files with 104 additions and 5 deletions
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7
doc/guides/cryptodevs/features/qat.ini
View File

@ -84,8 +84,11 @@ CHACHA20-POLY1305 = Y
;
[Asymmetric]
Modular Exponentiation = Y
Modular Inversion = Y
RSA = Y
Modular Inversion = Y
RSA = Y
ECDSA = Y
ECPM = Y
ECDH = Y
;
; Supported Operating systems of the 'qat' crypto driver.

1
doc/guides/cryptodevs/qat.rst
View File

@ -178,6 +178,7 @@ The QAT ASYM PMD has support for:
* ``RTE_CRYPTO_ASYM_XFORM_RSA``
* ``RTE_CRYPTO_ASYM_XFORM_ECDSA``
* ``RTE_CRYPTO_ASYM_XFORM_ECPM``
* ``RTE_CRYPTO_ASYM_XFORM_ECDH``
Limitations
~~~~~~~~~~~

3
doc/guides/rel_notes/release_22_11.rst
View File

@ -215,10 +215,11 @@ New Features
* Added symmetric hash algorithm ShangMi 3 (SM3).
* Added symmetric cipher algorithm ShangMi 4 (SM4) in ECB, CBC and CTR modes.
* **Updated Intel QuickAssist Technology (QAT) symmetric crypto driver.**
* **Updated Intel QuickAssist Technology (QAT) crypto driver.**
* Added support for SM3 hash algorithm.
* Added support for SM4 encryption algorithm in ECB, CBC and CTR modes.
* Added support for ECDH key exchange algorithm.
* **Updated Marvell cnxk crypto driver.**

98
drivers/crypto/qat/qat_asym.c
View File

@ -764,6 +764,94 @@ ecpm_collect(struct rte_crypto_asym_op *asym_op,
return RTE_CRYPTO_OP_STATUS_SUCCESS;
}
static int
ecdh_set_input(struct icp_qat_fw_pke_request *qat_req,
struct qat_asym_op_cookie *cookie,
const struct rte_crypto_asym_op *asym_op,
const struct rte_crypto_asym_xform *xform)
{
struct qat_asym_function qat_function;
uint32_t qat_func_alignsize, func_id;
int curve_id;
curve_id = pick_curve(xform);
if (curve_id < 0) {
QAT_LOG(DEBUG, "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;
}
qat_func_alignsize = RTE_ALIGN_CEIL(qat_function.bytesize, 8);
if (asym_op->ecdh.ke_type == RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE) {
SET_PKE_LN(asym_op->ecdh.priv_key, qat_func_alignsize, 0);
SET_PKE_LN_EC(curve[curve_id], x, 1);
SET_PKE_LN_EC(curve[curve_id], y, 2);
} else {
SET_PKE_LN(asym_op->ecdh.priv_key, qat_func_alignsize, 0);
SET_PKE_LN(asym_op->ecdh.pub_key.x, qat_func_alignsize, 1);
SET_PKE_LN(asym_op->ecdh.pub_key.y, qat_func_alignsize, 2);
}
SET_PKE_LN_EC(curve[curve_id], a, 3);
SET_PKE_LN_EC(curve[curve_id], b, 4);
SET_PKE_LN_EC(curve[curve_id], p, 5);
SET_PKE_LN_EC(curve[curve_id], h, 6);
cookie->alg_bytesize = curve[curve_id].bytesize;
cookie->qat_func_alignsize = qat_func_alignsize;
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_func_alignsize);
HEXDUMP("xG", cookie->input_array[1], qat_func_alignsize);
HEXDUMP("yG", cookie->input_array[2], qat_func_alignsize);
HEXDUMP("a", cookie->input_array[3], qat_func_alignsize);
HEXDUMP("b", cookie->input_array[4], qat_func_alignsize);
HEXDUMP("q", cookie->input_array[5], qat_func_alignsize);
HEXDUMP("h", cookie->input_array[6], qat_func_alignsize);
return 0;
}
static uint8_t
ecdh_collect(struct rte_crypto_asym_op *asym_op,
const struct qat_asym_op_cookie *cookie)
{
uint8_t *x, *y;
uint32_t alg_bytesize = cookie->alg_bytesize;
uint32_t qat_func_alignsize = cookie->qat_func_alignsize;
uint32_t ltrim = qat_func_alignsize - alg_bytesize;
if (asym_op->ecdh.ke_type == RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE) {
asym_op->ecdh.pub_key.x.length = alg_bytesize;
asym_op->ecdh.pub_key.y.length = alg_bytesize;
x = asym_op->ecdh.pub_key.x.data;
y = asym_op->ecdh.pub_key.y.data;
} else {
asym_op->ecdh.shared_secret.x.length = alg_bytesize;
asym_op->ecdh.shared_secret.y.length = alg_bytesize;
x = asym_op->ecdh.shared_secret.x.data;
y = asym_op->ecdh.shared_secret.y.data;
}
rte_memcpy(x, &cookie->output_array[0][ltrim], alg_bytesize);
rte_memcpy(y, &cookie->output_array[1][ltrim], alg_bytesize);
HEXDUMP("X", cookie->output_array[0],
qat_func_alignsize);
HEXDUMP("Y", cookie->output_array[1],
qat_func_alignsize);
return RTE_CRYPTO_OP_STATUS_SUCCESS;
}
static int
asym_set_input(struct icp_qat_fw_pke_request *qat_req,
struct qat_asym_op_cookie *cookie,
@ -781,6 +869,9 @@ asym_set_input(struct icp_qat_fw_pke_request *qat_req,
return ecdsa_set_input(qat_req, cookie, asym_op, xform);
case RTE_CRYPTO_ASYM_XFORM_ECPM:
return ecpm_set_input(qat_req, cookie, asym_op, xform);
case RTE_CRYPTO_ASYM_XFORM_ECDH:
return ecdh_set_input(qat_req, cookie,
asym_op, xform);
default:
QAT_LOG(ERR, "Invalid/unsupported asymmetric crypto xform");
return -EINVAL;
@ -867,6 +958,8 @@ qat_asym_collect_response(struct rte_crypto_op *op,
return ecdsa_collect(asym_op, cookie);
case RTE_CRYPTO_ASYM_XFORM_ECPM:
return ecpm_collect(asym_op, cookie);
case RTE_CRYPTO_ASYM_XFORM_ECDH:
return ecdh_collect(asym_op, cookie);
default:
QAT_LOG(ERR, "Not supported xform type");
return RTE_CRYPTO_OP_STATUS_ERROR;
@ -1099,7 +1192,7 @@ err:
}
static void
session_set_ecdsa(struct qat_asym_session *qat_session,
session_set_ec(struct qat_asym_session *qat_session,
struct rte_crypto_asym_xform *xform)
{
qat_session->xform.ec.curve_id = xform->ec.curve_id;
@ -1129,7 +1222,8 @@ qat_asym_session_configure(struct rte_cryptodev *dev __rte_unused,
break;
case RTE_CRYPTO_ASYM_XFORM_ECDSA:
case RTE_CRYPTO_ASYM_XFORM_ECPM:
session_set_ecdsa(qat_session, xform);
case RTE_CRYPTO_ASYM_XFORM_ECDH:
session_set_ec(qat_session, xform);
break;
default:
ret = -ENOTSUP;