RFR 6483657: MSCAPI provider does not create unique alias names

[Vincent Ryan]

Your fix looks good.
Thanks.

> On 31 Mar 2016, at 16:57, Ivan Gerasimov <ivan.gerasimov at oracle.com> wrote:
> 
> Hello!
> 
> Could you please help review the fix for this long standing issue?
> Windows-MY allows non-unique aliases, but our implementation of KeyStore does not take it into account.
> 
> To help to deal with such keystores with multiple same-named aliases it is proposed to internally remap the keystore entries to aliases that artificially made unique.
> 
> I was meaning to create a regression test, but found no easy way to test this behavior, as the keytool program doesn't allow creating same-named aliases.
> All existing regression tests pass well however.
> 
> BUGURL: https://bugs.openjdk.java.net/browse/JDK-6483657
> WEBREV: http://cr.openjdk.java.net/~igerasim/6483657/00/webrev/
> 
> With kind regards,
> Ivan
>