3e8f9dc1a0
In the event of an error in the HMAC function, leaks can occur because the HMAC_CTX does not get cleaned up. Thanks to the BoringSSL project for reporting this issue. Reviewed-by: Richard Levitte <levitte@openssl.org> (cherry picked from commit e43a13c807e42688c72c4f3d001112bf0a110464)