Maybe you can try MD5 or SHA, which give you 128 and 160 bit binary
respectively.
The source code for both algorithms are easily and freely available. As long
as the input text is
different, each algorithm almost guarantees a unique message digest
(colision rate 1/ 2^128 and 1/2^160).
Jimmy Zhang
----- Original Message -----
From: "Vijeth D" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, March 28, 2001 5:27 AM
Subject: [Sip-implementors] Call id generation.
> The RFC says that the CALLID must be a globally unique identifier and
suggests some algos (RFCs) to generate cryptographically random ids. Is
there any freeware or software available which generates such a globally
unique id?
>
> Is it not possible to generate these ids in a standard way or a
centralized way i.e, the manner in which the GUIDs are generated for the
DLLs by Microsoft products.
>
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