RFR 8151788: NullPointerException from ntlm.Client.type3

[Pavel Rappo]

What's the difference between no security buffer and an empty one (from the
com.sun.security.ntlm.Client#type3's perspective)?

> On 12 Jul 2016, at 15:25, Wang Weijun <weijun.wang at oracle.com> wrote:
> 
> When there is no offset, there is no security buffer at all. When the length is zero, the security buffer is an empty byte array.