[A83] Re: Free App signing key

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Free App signing key
From: Hyperbyte <hyper@hysoft-automation.com>
Date: Mon, 25 Jun 2001 15:34:37 +0200 (CEST)
In-Reply-To: <00b101c0fd6a$72d38780$866074d5@qxd2j> from "Ronald Teune" at Jun 25, 2001 01:25:04 PM
Reply-To: assembly-83@lists.ticalc.org


> 
> 
> >As far as I figured out:
> >
> >If an application is not signed, it will not work.
> >
> >Signing is taking an MD5 checksum from the application, and encrypting it
> with
> >a private key, in sucha a way, you need one key to encrypt and another to
> >decrypt (RSA. [The decryption key is a derivate from the encryption in
> >signing, in real encryption, it's the other way around])
> >
> >The encrypted checksum (signature) is then pasted in after the program
> file,
> >and your app is signed.
> >
> >Hope it was clear.
> 
> Yes, very much!
> 
> But is this right: TI made you need a checksum and let you pay for it, but
> now makes it free?

No, correct statement would be:
Ti made you to have them encrypt your checksum, for a price, but now they've 
released their private key, so you can do it yourself.

--Peter Martijn

> 
> 
> 
>

References:

[A83] Re: Free App signing key

From: "Ronald Teune" <rtwolf@gmx.net>

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