I'm peeking in the keychain-2.db of my jailbroken iPhone and finding a lot of items with just the access group prefix and a wildcard (eg. "0123456789.*"). Is there a way to find which app/developer is linked to the 10-characters prefix just by looking at some plist files or somewhere else, not programmatically?
I do not believe there is a way to know what developer is associated with the keychain prefix. Last time I looked it was the App ID prefix, which is either the team ID of the developer or randomly generated (and I don't believe there to be a public index of either of these things).