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RAND() not very random
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 7 SP1
OS:
Windows XP SP2
Divers
Thread ID:
01155607
Message ID:
01157306
Vues:
32
For encryption/decryption see:

http://www.sweetpotatosoftware.com/SPSBlog/PermaLink,guid,db662a8f-d47c-46c8-b0d2-a591c20d024b.aspx


>Hi, Terry/All,
>
>I was just wonder how random is VFP's random number generator?
>I'm sure it's a pseudo-random-number generator, but to what
>degree? Besides the initial seed, can we feed the thing a seed
>array for better entropy? I'm kinda wondering what's the period
>of the generator? What I'm getting at is this: How secure is
>the generator, and would anyone say it's good enough for encryption
>purposes?
>
>Randall
.·*´¨)
.·`TCH
(..·*

010000110101001101101000011000010111001001110000010011110111001001000010011101010111001101110100
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