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RE: [security-services] Groups - sstc-saml-bindings-2.0-draft-10.pdfuploaded

From
Scott Cantor <>
Date
2004-05-10T18:17:00+00:00
ID
Thread
RE: [security-services] Groups - sstc-saml-bindings-2.0-draft-10.pdfuploaded
> Per lines 692-694, a recommendation for not less than 8 pseudorandom
> bytes within a 20-byte MessageHandle seems somewhat short relative 
> to contemporary crypto practice, also noting the Security Considerations 
> statement at line 772 that the binding relies on the property of the
> artifact being a hard-to-forge short-term reference.  Since the
> MessageHandle is effectively a form of shared secret, I'd suggest
> recommending pseudorandomness to the 112-bit or 128-bit level, rather
> than 64-bit.  Would this create a problem for anyone?

Text of course was copied from the old artifact text in both SAML 1.1 and
ID-FF, but I thought it seemed a bit too short myself...

-- Scott
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