From acae59bb29ddc769743ab4a8ae373b5ff2f42b57 Mon Sep 17 00:00:00 2001 From: J Mohan Rao Arisankala Date: Wed, 24 Feb 2016 13:03:10 +0530 Subject: [PATCH] EC_KEY_priv2buf (): check parameter sanity In EC_KEY_priv2buf(), check for pbuf sanity. If invoked with NULL, gracefully returns the key length. Signed-off-by: Rich Salz Reviewed-by: Matt Caswell --- crypto/ec/ec_key.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/crypto/ec/ec_key.c b/crypto/ec/ec_key.c index c382e7e41e..439cfa27cc 100644 --- a/crypto/ec/ec_key.c +++ b/crypto/ec/ec_key.c @@ -583,8 +583,8 @@ size_t EC_KEY_priv2buf(const EC_KEY *eckey, unsigned char **pbuf) size_t len; unsigned char *buf; len = EC_KEY_priv2oct(eckey, NULL, 0); - if (len == 0) - return 0; + if (len == 0 || pbuf == NULL) + return len; buf = OPENSSL_malloc(len); if (buf == NULL) return 0; -- 2.40.0