OCR-resistent images

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Hi -

Not sure if they've coined a name for these yet, but many web sites (google,
yahoo, etc) use OCR-resistant images to either slow down a brute force
password attack or to verify that a human is on the other side. Seems like
an ideal solution to prevent hacking issues without actually locking
accounts.

Is there a library out there for .NET (preferrably C#)?

Thanks.


.

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