[PATCH 03/18] crypto/cnxk: remove zero IV

Anoob Joseph anoobj at marvell.com
Mon Aug 8 10:05:51 CEST 2022


Zeroising AES-CMAC IV would be done in microcode. Extra clearing in DPDK
is not required.

Signed-off-by: Anoob Joseph <anoobj at marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree at marvell.com>
---
 drivers/crypto/cnxk/cnxk_se.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/crypto/cnxk/cnxk_se.h b/drivers/crypto/cnxk/cnxk_se.h
index a75003f2c6..5574dbfa04 100644
--- a/drivers/crypto/cnxk/cnxk_se.h
+++ b/drivers/crypto/cnxk/cnxk_se.h
@@ -91,10 +91,6 @@ pdcp_iv_copy(uint8_t *iv_d, uint8_t *iv_s, const uint8_t pdcp_alg_type,
 			memcpy(iv_d + 6, iv_s + 8, 17);
 		} else
 			memcpy(iv_d, iv_s, 16);
-	} else {
-		/* AES-CMAC EIA2, microcode expects 16B zeroized IV */
-		for (j = 0; j < 16; j++)
-			iv_d[j] = 0;
 	}
 }
 
-- 
2.25.1



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