printer port key software protection

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#7561

From: Nao Tateishi
Date: Wed, 13 Feb 1991 04:47

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I need to protect some custom written software but am a little confused.  I've
looked into the adapters that plug into the printer port and even sent away for
a demo kit from one company.  After reading the docs, it seems that it shouldn't
be too hard to create a compatible key.

Has anyone successfully bypassed these keys or are they as safe as the manuf.
say they are.

/nt

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Message-ID: <1991Feb13.044757.19348@gpu.utcs.utoronto.ca>

Path: arc1-ca.pugleaf.net!utzoo!utgpu!tateishi

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Newsgroups: comp.sys.ibm.pc.misc
Path: arc1-ca.pugleaf.net!utzoo!utgpu!tateishi
From: tateishi@gpu.utcs.utoronto.ca (Nao Tateishi)
Subject: printer port key software protection
Message-ID: <1991Feb13.044757.19348@gpu.utcs.utoronto.ca>
Organization: University of Toronto Computing Services
Date: Wed, 13 Feb 1991 04:47:57 GMT