Apple files for code signing, almost-symmetric multiprocessor patents
TweetFollow Us on Twitter

Apple files for code signing, almost-symmetric multiprocessor patents

Patent number EP1695169 for a "method and apparatus for incremental code signing" is for a method for authenticating a large computer platform. The system operates by first sealing the computer program with a digital signature in an incremental manner. Specifically, the computer program is divided into a set of pages and a hash value is circulated for each page. The set of hash values is formed into a has value array, and then the hash value array is sealed with a digital signature. The computer program is then distributed along with the hash value array and the digital signature. To authenticate the program, a recipient first verifies the authenticity of the hash value array with the digital signature and a public key. Once the hash value array has been authenticated, the recipient can then verify the authenticity of each page of the computer program by calculating a hash of a page to be loaded and then comparing with an associated hash value in the authenticated hash value array. If the hash values don't match, the execution may be halted. The inventors are listed as Perry Kiehtreibert and Michael Brouwer.

Patent number EP1695216 for almost-symmetric multiprocessor that supports high-performance and energy-efficient execution" is for a system for controlling the execution of tasks in a multiprocessor system, which contains both a high-performance processor and an energy-efficient processor. Upon receiving a task to be executed on the multiprocessor system, the system determines whether to execute the task on the high-performance processor or the energy-efficient processor based on performance requirements for the task and/or energy usage considerations for the multiprocessor system. Next, the system executes the task on either the high-performance processor or the energy-efficient processor based on the determination. The inventors are listed as William C. Athas, Robert L. Mansfield, Lynn R. Youngs and Michael F. Culbert.

 
AAPL
$125.47
Apple Inc.
-0.90
GOOG
$554.06
Google Inc.
+2.03
MSFT
$40.91
Microsoft Corporation
-0.05
MacNews Search:
Community Search:
view counter

view counter
view counter
view counter
view counter
view counter
view counter

Pie In The Sky: A Pizza Odyssey (Games)
Pie In The Sky: A Pizza Odyssey 1.0 Device: iOS Universal Category: Games Price: $2.99, Version: 1.0 (iTunes) Description: A game about delivering pizza. In space. | Read more »
Chosen Gives Hopeful Singers, Songwriter...
If YouTube videos and reality TV shows like The Voice have taught us one thing, it’s that there are a lot of people out there who are anxious to show the world their talents. And if they’ve taught us a second thing, it’s that there’s an almost equally sizable group of people who are anxious to judge those hopefuls. What’s interesting about Chosen... | Read more »
Android's Popular OfficeSuite Now A...
Once only available for Android devices, OfficeSuite has finally landed on the app store. The Mobile Systems app lets you view, edit, create, and share Word, Excel, and PowerPoint documents as well as convert them to/from PDFs. It's touted as being like having a desktop on your phone. OfficeSuite supports Google Drive, Dropbox, Box, OneDrive, and... | Read more »
Warhammer: Arcane Magic is Coming Soon,...
Turbo Tape Games has announced that they're joining forces with Games Workshop to bring the turn-based strategy board game, Warhammer: Arcane Magic, to life on the iOS. | Read more »
Fast & Furious: Legacy's Creati...
| Read more »
N-Fusion and 505's Ember is Totally...
| Read more »
These are All the Apple Watch Apps and G...
The Apple Watch is less than a month from hitting store shelves, and once you get your hands on it you're probably going to want some apps and games to install. Fear not! We've compiled a list of all the Apple Watch apps and games we've been able to find so far. Games Rules! By TheCodingMonkeys App Store Description: RULES! is a cute puzzle game... | Read more »
Appy to Have Known You - Lee Hamlet Look...
Being at 148Apps these past 2 years has been an awesome experience that has taught me a great deal, and working with such a great team has been a privilege. Thank you to Rob Rich, and to both Rob LeFebvre and Jeff Scott before him, for helping me to grow as a writer and for giving me the opportunity to write about what I love: playing innovative... | Read more »
Hands-On With Allstar Heroes - A Promisi...
Let’s get this out of the way quickly. Allstar Heroes looks a lot like a certain other recent action RPG release, but it turns out that while it’s not yet available here, Allstar Heroes has been around for much longer than that other title. Now that copyright row is out of the way, I can say that Allstar Heroes seems pretty fun. It’s not out here... | Read more »
Macho Man and Steve Austin Join the Rank...
WWE Immortals, by Warner Bros. Interactive Entertainment and WWE, has gotten a superstar update. You'll now have access to Macho Man Randy Savage and Steve Austin. Both characters have two different versions: Macho Man Randy Savage Renegade or Macho King, and Stone Cold Steve Austin Icebound Watcher or Texas Rattlesnake. | Read more »
All contents are Copyright 1984-2010 by Xplain Corporation. All rights reserved. Theme designed by Icreon.