XML-proof UIDs

[Eugen Leitl]

Does anyone have robust code to generate globally unique IDs which won't break XML parsing,
and work on several platforms?

I was thinking of using an entropy pool to seed a cryptographic PRNG, used to
generate a sequence of SHA-1 hashes, dumped to an XML-armored representation.

Thanks.

-- Eugen* Leitl <a href="http://leitl.org">leitl</a>
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ICBM: 48.07078, 11.61144 http://www.leitl.org
8B29F6BE: 099D 78BA 2FD3 B014 B08A  7779 75B0 2443 8B29 F6BE
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