[PATCH] crypto/openssl: validate incorrect signature in verify op

[Gowrishankar Muthukrishnan]

Return correct error status when incorrect signature is
used in RSA verify op.

Fixes: d7bd42f6db19 ("crypto/openssl: update RSA routine with 3.0 EVP API")
Cc: sta...@dpdk.org

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukri...@marvell.com>
---
 drivers/crypto/openssl/rte_openssl_pmd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c 
b/drivers/crypto/openssl/rte_openssl_pmd.c
index b090611bd0..239688ed47 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd.c
@@ -2710,6 +2710,8 @@ process_openssl_rsa_op_evp(struct rte_crypto_op *cop,
                return ret;
        }
 
+       cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+
        switch (op->rsa.op_type) {
        case RTE_CRYPTO_ASYM_OP_ENCRYPT:
                if (EVP_PKEY_encrypt_init(rsa_ctx) != 1)
@@ -2807,6 +2809,7 @@ process_openssl_rsa_op_evp(struct rte_crypto_op *cop,
                                op->rsa.sign.data,
                                op->rsa.sign.length) <= 0) {
                        OPENSSL_free(tmp);
+                       ret = 0;
                        goto err_rsa;
                }
 
-- 
2.25.1