[dpdk-dev] [PATCH v2] cryptodev: rework mod exp and mod inv comments
Shally Verma
shallyv at marvell.com
Wed Feb 6 06:07:41 CET 2019
HI Arek,
Acked with minor feedback.
>-----Original Message-----
>From: Arek Kusztal <arkadiuszx.kusztal at intel.com>
>Sent: 05 February 2019 23:50
>To: dev at dpdk.org
>Cc: akhil.goyal at nxp.com; fiona.trahe at intel.com; shally.verma at caviumnetworks.com; sunila.sahu at caviumnetworks.com;
>ashish.gupta at caviumnetworks.com; umesh.kartha at caviumnetworks.com; Arek Kusztal <arkadiuszx.kusztal at intel.com>
>Subject: [PATCH v2] cryptodev: rework mod exp and mod inv comments
>
>External Email
>
>This patch changes modular exponentiation and modular multiplicative
>inverse API comments to make it more precise.
>
>Signed-off-by: Arek Kusztal <arkadiuszx.kusztal at intel.com>
>---
>v2:
>- grammar fixes
>
> lib/librte_cryptodev/rte_crypto_asym.h | 44 ++++++++++++++++++++++------------
> 1 file changed, 29 insertions(+), 15 deletions(-)
>
Acked-by: Shally Verma <shally.verma at marvell.com>
>diff --git a/lib/librte_cryptodev/rte_crypto_asym.h b/lib/librte_cryptodev/rte_crypto_asym.h
>index 5e185b2..9582ee3 100644
>--- a/lib/librte_cryptodev/rte_crypto_asym.h
>+++ b/lib/librte_cryptodev/rte_crypto_asym.h
>@@ -72,8 +72,8 @@ enum rte_crypto_asym_xform_type {
> * Refer to rte_crypto_asym_op_type
> */
> RTE_CRYPTO_ASYM_XFORM_MODINV,
>- /**< Modular Inverse
>- * Perform Modulus inverse b^(-1) mod n
>+ /**< Modular Multiplicative Inverse
>+ * Perform Modular Multiplicative Inverse b^(-1) mod n
> */
> RTE_CRYPTO_ASYM_XFORM_MODEX,
> /**< Modular Exponentiation
>@@ -233,29 +233,39 @@ struct rte_crypto_rsa_xform {
> struct rte_crypto_modex_xform {
> rte_crypto_param modulus;
> /**< modulus
>- * Prime modulus of the modexp transform operation in octet-string
>- * network byte order format.
>+ * Pointer to the modulus data for modexp transform operation
>+ * in octet-string network byte order format, any positive integer
>+ *
This statement looks incomplete. You can write it "it should be positive integer " but is it required to be mentioned? Coz input is array of uint8_t so assumption is it will be positive.
...
> struct rte_crypto_modinv_xform {
> rte_crypto_param modulus;
> /**<
>- * Pointer to the prime modulus data for modular
>- * inverse operation in octet-string network byte
>- * order format.
>+ * Pointer to the modulus data for modular multiplicative inverse
>+ * operation in octet-string network byte order format,
>+ * positive integer
Same comment as above.
>+ *
>+ * In case this number is equal to zero the driver shall set
>+ * the crypto op status field to RTE_CRYPTO_OP_STATUS_ERROR
>+ *
>+ * This number shall be relatively prime to base
>+ * in corresponding Modular Multiplicative Inverse
>+ * rte_crypto_mod_op_param
> */
> };
>
>@@ -317,14 +327,18 @@ struct rte_crypto_dsa_xform {
>
...
>2.1.0
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