[dpdk-dev] [PATCH v3 05/11] cryptodev: add information about message format when signing with RSA
Arek Kusztal
arkadiuszx.kusztal at intel.com
Tue Jul 16 20:52:58 CEST 2019
This patch adds information about format of the message should have
before sending it to the signing operation when using RSA algorithm.
Signed-off-by: Arek Kusztal <arkadiuszx.kusztal at intel.com>
---
lib/librte_cryptodev/rte_crypto_asym.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/lib/librte_cryptodev/rte_crypto_asym.h b/lib/librte_cryptodev/rte_crypto_asym.h
index 16c86c9..ad484de 100644
--- a/lib/librte_cryptodev/rte_crypto_asym.h
+++ b/lib/librte_cryptodev/rte_crypto_asym.h
@@ -408,6 +408,15 @@ struct rte_crypto_rsa_op_param {
* When RTE_CRYPTO_ASYM_OP_DECRYPT op_type used length in bytes
* of this field needs to be greater or equal to the length of
* corresponding RSA key in bytes.
+ *
+ * When RTE_CRYPTO_ASYM_OP_SIGN op_type used and following padding
+ * type:
+ * - padding PKCS1_5:
+ * data provided should contain `algorithmIdentifier` in DER encoded
+ * format concatenated with message digest (as per spec rfc8017 9.2)
+ * - padding PSS
+ * data provided should contain message digest of the message
+ * to be signed
*/
--
2.1.0
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