Rejected delta updates.

[nishaanth-ms-21155]

I already use Sparkle v1.24 on my app and it works for whole update. Now to bring delta updates into existing app, I followed these steps.

1. Used generate_keys which stored a key in Keychain and gave me a public key (eddsa)
2. Added the given key In Info.plist (Does it have to be in both new and old app? I added it in my latest .app only)
3. Generated .delta from new New.app and Old.app - Old_New.delta
4. Used sign_update Old_New.delta which gave sparkle:edSignature, length I added to appcast.xml
5. Served My delta and added the URL
   My appcast looks something like this.

<rss xmlns:dc="http://purl.org/dc/elements/1.1"
 xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle" version="2.0">
<channel>
<title>MyApp</title>
<link><--link-to-appcast.xml--></link>
<description>Desc</description>
<language>en</language>
<item>
<title>Title</title>
<description>Desc</description>
<pubDate>Date</pubDate>
<enclosure sparkle:shortVersionString="1.0.12.123" sparkle:version="12.123"
url="http://localhost:8000/Fake.dmg"/>
<sparkle:deltas>
<enclosure url="http://localhost:8000/Delta.delta"
type="application/octet-stream"
sparkle:version="12.123"
sparkle:shortVersionString="1.0.12.123"
sparkle:deltaFrom="12.120"
sparkle:edSignature="GeneratedSign=="
length="22233764"
/>
</sparkle:deltas>
</item>
</channel>
</rss>

Still delta is rejected and the Whole update happens. Am I missing something?

[zorgiepoo]

Added the given key In Info.plist (Does it have to be in both new and old app? I added it in my latest .app only)

Yes it needs to be both old and new.

delta updates generated from 1.24 tools are also too old. You will need to update (at least the tools) to 1.27.3 or preferably latest 2.x. 1.24 framework also has security issues so I don't recommend it. And also the delta updates generated in Sparkle 2 use a newer and better format (also check the compatibility section for generating deltas).