Re: type 1 font encryption

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#448

From: Ed Taft
Date: Fri, 10 Apr 1992 04:07

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In article <N3oZiB1w164w@netlink.cts.com> dd@netlink.cts.com (Donna Druchunas) writes:
>I think the line beginning r= should read:
> 
>     r = ((cipher + r) * c1 + c2) % 65536;

You are correct. The example C program in the Type 1 book depends on the
type "unsigned short int" being represented in 16 bits. Shame on me for
assuming this -- I should be flogged with a wet noodle. (If you don't know
what I'm talking about, go watch the heated debate about "long long" in
comp.lang.c.)
-- 
Ed Taft      taft@adobe.com      ...decwrl!adobe!taft

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Message-ID: <1992Apr10.040719.2610@adobe.com>

Path: arc1-ca.pugleaf.net!sparky!uunet!decwrl!adobe!taft

References: <N3oZiB1w164w@netlink.cts.com>

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Newsgroups: comp.lang.postscript
Path: arc1-ca.pugleaf.net!sparky!uunet!decwrl!adobe!taft
From: taft@adobe.com (Ed Taft)
Subject: Re: type 1 font encryption
Message-ID: <1992Apr10.040719.2610@adobe.com>
Sender: usenet@adobe.com (USENET NEWS)
Organization: Adobe Systems Incorporated
References: <N3oZiB1w164w@netlink.cts.com>
Date: Fri, 10 Apr 1992 04:07:19 GMT

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