[v4,04/12] cryptodev: clarify usage of private key in dh

Message ID 20220531040439.15862-5-arkadiuszx.kusztal@intel.com (mailing list archive)
State Changes Requested, archived
Delegated to: akhil goyal
Headers
Series cryptodev: rsa, dh, ecdh changes |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Arkadiusz Kusztal May 31, 2022, 4:04 a.m. UTC
  - Clarified usage of private key in Diffie-Hellman.
CSRNG capable device should generate private key and then
use it for public key generation.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
 lib/cryptodev/rte_crypto_asym.h | 5 +++++
 1 file changed, 5 insertions(+)
  

Comments

Fan Zhang May 31, 2022, 7:35 a.m. UTC | #1
> -----Original Message-----
> From: Kusztal, ArkadiuszX <arkadiuszx.kusztal@intel.com>
> Sent: Tuesday, May 31, 2022 5:05 AM
> To: dev@dpdk.org
> Cc: gakhil@marvell.com; Zhang, Roy Fan <roy.fan.zhang@intel.com>; Kusztal,
> ArkadiuszX <arkadiuszx.kusztal@intel.com>
> Subject: [PATCH v4 04/12] cryptodev: clarify usage of private key in dh
> 
> - Clarified usage of private key in Diffie-Hellman.
> CSRNG capable device should generate private key and then
> use it for public key generation.
> 
> Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
> ---
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
  

Patch

diff --git a/lib/cryptodev/rte_crypto_asym.h b/lib/cryptodev/rte_crypto_asym.h
index eb753b4016..619c0614bf 100644
--- a/lib/cryptodev/rte_crypto_asym.h
+++ b/lib/cryptodev/rte_crypto_asym.h
@@ -416,6 +416,11 @@  struct rte_crypto_dh_op_param {
 	 * Input - private key, when dh xform ke_type is one of:
 	 * RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE,
 	 * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
+	 *
+	 * In case priv_key.length is 0 and xform type is set with
+	 * RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE, CSRNG capable
+	 * device will generate a private key and use it for public
+	 * key generation.
 	 */
 
 	rte_crypto_uint shared_secret;