[PATCH v2 4/4] crypto/qat: add ecdh public key verification

[Ji, Kai]

Code may need rebase, otherwise 

Acked-by: Kai Ji <kai.ji at intel.com>

> -----Original Message-----
> From: Kusztal, ArkadiuszX <arkadiuszx.kusztal at intel.com>
> Sent: Thursday, October 20, 2022 4:10 PM
> To: dev at dpdk.org
> Cc: gakhil at marvell.com; Ji, Kai <kai.ji at intel.com>; Kusztal, ArkadiuszX
> <arkadiuszx.kusztal at intel.com>
> Subject: [PATCH v2 4/4] crypto/qat: add ecdh public key verification
> 
> This commit adds verification option for elliptic curve points when used along
> ECDH algorithm.
> 
> Signed-off-by: Arek Kusztal <arkadiuszx.kusztal at intel.com>
> ---
<snip>
> +
> +	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 =
> +			5;
[KJ] do we need new line here ?
> +	qat_req->output_param_count =
> +			0;
> +
> +	HEXDUMP("x", cookie->input_array[0], qat_func_alignsize);
> +	HEXDUMP("y", cookie->input_array[1], qat_func_alignsize);
> +	HEXDUMP("p", 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);
> +
> +	return 0;
> +}
> +
>  static uint8_t
>  ecdh_collect(struct rte_crypto_asym_op *asym_op,
>  		const struct qat_asym_op_cookie *cookie) @@ -830,6 +877,9
> @@ ecdh_collect(struct rte_crypto_asym_op *asym_op,
>  	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_VERIFY)
> +		return RTE_CRYPTO_OP_STATUS_SUCCESS;
> +
>  	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; @@ -870,8
> +920,14 @@ asym_set_input(struct icp_qat_fw_pke_request *qat_req,
>  	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,
> +		if (asym_op->ecdh.ke_type ==
> +			RTE_CRYPTO_ASYM_KE_PUB_KEY_VERIFY) {
> +			return ecdh_verify_set_input(qat_req, cookie,
>  				asym_op, xform);
> +		} else {
> +			return ecdh_set_input(qat_req, cookie,
> +				asym_op, xform);
> +		}
>  	default:
>  		QAT_LOG(ERR, "Invalid/unsupported asymmetric crypto
> xform");
>  		return -EINVAL;
> --
> 2.13.6