[dpdk-dev] [PATCH v3 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.agra...@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 173ec8095..668832f16 100644
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
@@ -2657,6 +2657,10 @@ 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 27a31d065..e729ed7db 100644
--- a/drivers/crypto/dpaa_sec/dpaa_sec.c
+++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
@@ -2645,6 +2645,10 @@ 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