[dpdk-dev] [PATCH v2 09/13] crypto/dpaa2_sec: enable warning with truncated sha256

[Hemant Agrawal]

This patch throw the warning when using truncted digest
len for SHA256 case.

Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c | 4 ++++
 drivers/crypto/dpaa_sec/dpaa_sec.c          | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
index c6b6444aa..32e6c71a9 100644
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
@@ -2660,6 +2660,10 @@ dpaa2_sec_ipsec_proto_init(struct rte_crypto_cipher_xform *cipher_xform,
 	case RTE_CRYPTO_AUTH_SHA256_HMAC:
 		authdata->algtype = OP_PCL_IPSEC_HMAC_SHA2_256_128;
 		authdata->algmode = OP_ALG_AAI_HMAC;
+		if (session->digest_length != 16)
+			DPAA2_SEC_WARN(
+			"+++Using sha256-hmac truncated len is non-standard,"
+			"it will not work with lookaside proto");
 		break;
 	case RTE_CRYPTO_AUTH_SHA384_HMAC:
 		authdata->algtype = OP_PCL_IPSEC_HMAC_SHA2_384_192;
diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c b/drivers/crypto/dpaa_sec/dpaa_sec.c
index 24a5a7239..aec5af1c5 100644
--- a/drivers/crypto/dpaa_sec/dpaa_sec.c
+++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
@@ -2667,6 +2667,10 @@ dpaa_sec_ipsec_proto_init(struct rte_crypto_cipher_xform *cipher_xform,
 	case RTE_CRYPTO_AUTH_SHA256_HMAC:
 		session->auth_key.alg = OP_PCL_IPSEC_HMAC_SHA2_256_128;
 		session->auth_key.algmode = OP_ALG_AAI_HMAC;
+		if (session->digest_length != 16)
+			DPAA_SEC_WARN(
+			"+++Using sha256-hmac truncated len is non-standard,"
+			"it will not work with lookaside proto");
 		break;
 	case RTE_CRYPTO_AUTH_SHA384_HMAC:
 		session->auth_key.alg = OP_PCL_IPSEC_HMAC_SHA2_384_192;
-- 
2.17.1