Hello,

we seem to be confusing a few topics here.

1.  There used to be patent issues with RSA, but the patent expired.  See the RSA web site for that.  If the patent hadn't expired
and RSA applied for one in said country, you would have to pay royalties to use the algorithm.

You should email RSA asking this, but I believe the patent expired (and I assume that is in all countries) in September of 2002. 
This means you can use RSA without having to pay royalties.

2.  There is an issue of exporting crypto from one country to another country.  In the US, crypto products are considered weapons
(or some  terminology like that).  If you develop a crypto product and want to export it, you must get permission from some agency
(in fact, you may be limited on the key sizes you can support).  Other countries may be more lax in their particular rules.  Sounds
like this does not affect you, if I understand your statements below.

3.  There is the issue of ecommerce (business related issue).  There are probably rules regarding this in your country of interest
and you need to speak with the Australian business services regarding that.  I am sure every country has their own hangups and rules
on this.  We cannot answer this for you here.  Check with whatever business oversight group you have in that country.

HTH, Flip

--- "Sunny Alanderson" <sunny_brose@h...> wrote:
>> Hello,
>
>The patent on RSA expired in September of 2001 or 2002 (see the RSA web
>site).  I am sure I even read it there and it must be in their FAQ by now.
>
>I am not sure why you want to use MD5, use SHA-1 instead.  MD5 has been
>shon to have collisions, so why bother with it.
>
>For SHA-1, no issues anywhere as it is published by NIST (FIPS). Some
>people are shifting to SHA-256, but I think that is currently overkill.
>
>HTH, Flip
>
>***********************
>thanks very much, 
>
>i've seen the RSA FAQ, very confusing sentences...
>
>simply, i intend to establish a commercial web-site in Australia, involves
>1024bit-RSA and i DO NOT have anything from any authorities, IS THAT OK?
>
>i've been confused for a long time...help, please...
>

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