[Acc] [PATCH 07/17] uadk_engine: ec: add BN_new memory check

From: Hao Fang fanghao11@huawei.com

Signed-off-by: Hao Fang fanghao11@huawei.com --- src/uadk_ec.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/src/uadk_ec.c b/src/uadk_ec.c index 78c403f..400040e 100644 --- a/src/uadk_ec.c +++ b/src/uadk_ec.c @@ -328,6 +328,10 @@ static int set_digest(handle_t sess, struct wd_dtb *e,

if (dlen << TRANS_BITS_BYTES_SHIFT > order_bits) { m = BN_new(); + if (!m) { + fprintf(stderr, "failed to BN_new BIGNUM m\n"); + return -1; + }

/* Need to truncate digest if it is too long: first truncate * whole bytes