Hi Arek,
Are you planning for a formal patch for adding asym capabilities?
> This commit adds basic structs to handle asymmetric crypto capability.
>
> Signed-off-by: Arek Kusztal <arkadiuszx.kusz...@intel.com>
> ---
> lib/cryptodev/rte_crypto_asym.h | 47 +++++++++++++++++++++++++++++++++
> lib/cryptodev/rte_cryptodev.h | 8 ++++++
> 2 files changed, 55 insertions(+)
>
> diff --git a/lib/cryptodev/rte_crypto_asym.h b/lib/cryptodev/rte_crypto_asym.h
> index cd24d4b07b..2d58fffee5 100644
> --- a/lib/cryptodev/rte_crypto_asym.h
> +++ b/lib/cryptodev/rte_crypto_asym.h
> @@ -386,6 +386,26 @@ struct rte_crypto_rsa_op_param {
> */
> };
>
> +struct rte_crypto_rsa_capability {
> + uint64_t padding_type;
> + /* Supported padding */
> + union {
> + uint64_t hash;
> + /* Supported hash functions, at least one
> + * shall be supported */
> + uint64_t mgf;
> + /* Supported masdk generation functions,
> + * at least one shall be supported */
> + } padding;
> + uint32_t max_key_len;
> + /* Maximum supported key length */
> + uint8_t sign_message;
> + /* If zero input should contain message digest,
> + * otherwise it should be plain message */
> + uint8_t pkcs_plain_padding;
> + /* PKCS1_5 padding without algorithm identifier */
> +};
> +
> /**
> * Diffie-Hellman Operations params.
> * @note:
> @@ -416,6 +436,19 @@ struct rte_crypto_dh_op_param {
> */
> };
>
> +struct rte_crypto_dh_capability {
> + union {
> + uint32_t group_size;
> + /**< Maximum size of underliying mod group */
> + uint64_t curves;
> + /**< Supported elliptic curve ids */
> + /* uint64_t fixed_groups; ? */
> + /**< Supported fixed groups */
> + /* uint8_t custom_curves; ? */
> + /**< Supported custom curves */
> + };
> +};
> +
> /**
> * DSA Operations params
> *
> @@ -484,6 +517,13 @@ struct rte_crypto_ecdsa_op_param {
> */
> };
>
> +struct rte_crypto_ecdsa_capability {
> + uint64_t curves;
> + /**< Supported elliptic curve ids */
> + /* uint8_t custom_curves; ? */
> + /**< Supported custom curves */
> +};
> +
> /**
> * Structure for EC point multiplication operation param
> */
> @@ -498,6 +538,13 @@ struct rte_crypto_ecpm_op_param {
> /**< Scalar to multiply the input point */
> };
>
> +struct rte_crypto_ecpm_capability {
> + uint64_t curves;
> + /**< Supported elliptic curve ids */
> + /* uint8_t custom_curves; ? */
> + /**< Supported custom curves */
> +};
> +
> /**
> * Asymmetric crypto transform data
> *
> diff --git a/lib/cryptodev/rte_cryptodev.h b/lib/cryptodev/rte_cryptodev.h
> index 45d33f4a50..79026dbb80 100644
> --- a/lib/cryptodev/rte_cryptodev.h
> +++ b/lib/cryptodev/rte_cryptodev.h
> @@ -176,6 +176,14 @@ struct rte_cryptodev_asymmetric_xform_capability {
> /**< Range of modulus length supported by modulus based
> xform.
> * Value 0 mean implementation default
> */
> + struct rte_crypto_ecdsa_capability ecdsa;
> + /**< ECDSA capability */
> + struct rte_crypto_ecpm_capability ecpm;
> + /**< ECPM capability */
> + struct rte_crypto_rsa_capability rsa;
> + /**< RSA capability */
> + struct rte_crypto_dh_capability dh;
> + /**< DH capability */
> };
> };
>
> --
> 2.30.2
