The checksum mechanism does not protect copyright on iTunes music; it's just supposed to confirm that the iPhone is communicating with iTunes, he added. "Nobody has ever suggested a purpose of this other than forcing iPod owners to use Apple's software," he said. "It's an anticompetitive tie-in device."
Because iTunes does not run on Linux, the iPodhash project is important to the Linux community, Odio said.
Founded in 2004, Bluwiki is a side project for Odio, an Internet entrepreneur who said he supports the iPodhash project even though he's not involved with it.
Bluwiki is used by a variety of projects. It serves as a meeting place for video game enthusiasts and hosts tips and tricks info for a Facebook game called Pack Rat. The site gets about a million page views per month and is supported by donations, Odio said.
He hopes to be able to put the iPodhash project back on the site. "I regret having to do this," he said. "I may be able to put the site back on-line, but quite honestly it's unlikely because I can't afford a legal battle with Apple."