Matt Caswell e2095c6531 Ensure that both the MD and key have been initialised before attempting to
create an HMAC

Inspired by BoringSSL commit 2fe7f2d0d9a6fcc75b4e594eeec306cc55acd594

Reviewed-by: Richard Levitte <levitte@openssl.org>
2015-03-25 12:54:11 +00:00
..
2015-03-25 12:54:03 +00:00
2015-03-24 12:05:05 +00:00