RFR: JDK-8162723 : Array index overflow in Base64 utility class

[Anthony Scarpino]

On 10/10/2016 12:29 PM, Sean Mullan wrote:
> Please review this change to fix a potential array index overflow in the
> XML security Base64 encoding class. This is a direct import of the
> corresponding patch that has already been made to the Apache code.
>
> webrev: http://cr.openjdk.java.net/~mullan/webrevs/8162723/webrev.00/
>
> Thanks,
> Sean

Some of the typecasting seems excessive, but it's better to keep the 
code-bases synchronized than worry about harmless nits.

Looks good to me..

Tony