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How the ECDSA Algorithm Works by PS3 Developer KaKaRoToKS

1350°
134w ago - Following up on his status update for the PS3 4.0 Homebrew Enabler (HEN), today Sony PlayStation 3 hacker KaKaRoToKS has explained how the ECDSA algorithm works.

To quote: To popular demand, I have decided to try and explain how the ECDSA algorithm works. I've been struggling a bit to understand it properly and while I found a lot of documentation about it, I haven't really found any "ECDSA for newbies" anywhere.

So I thought it would be good to explain in simple terms how it works so others can learn from my research. I have found some websites that explain the basic principles but nowhere near enough to actually understand it, others that explains things without any basics, making it incomprehensible, and others that go way too deep into the the mathematics behind it.

ECDSA stands for "Elliptic Curve Digital Signature Algorithm", it's used to create a digital signature of data (a file for example) in order to allow you to verify its authenticity without compromising its security. Think of it like a real signature, you can recognize someone's signature, but you can't forge it without others knowing.

The ECDSA algorithm is basically all about mathematics.....
 

Glyde.com - Simply Buy & Sell Your DVDs, CDs, Games & Books

100°
266w ago - Recently we added [Register or Login to view links] to our Affiliates here at PS3 News, and for those who haven't checked them out yet below is a brief background on what they offer to gamers.

Glyde was simply designed to be the cheapest and easiest way to buy and sell used (and new) video games - as well as DVDs, CDs and books.

The idea was conceived by the owners themselves, who were frustrated by the lack of decent options to buy and sell games (online auctions and swapping sites are a lot of work, and trade-ins are generally a bad deal) so Glyde was born... allowing sellers to get a fair price for their games and buyers to get some great bargains.

This concept was then simplified on [Register or Login to view links] so that a seller can list a game for sale in under 10 seconds.

And when it sells, Glyde sends the seller a postage-paid padded mailer that comes pre-addressed to the buyer. The only thing the seller needs to do is insert the game, seal the mailer, and drop it in the mail.

It doesn't get much easier than that, as Glyde was built specifically to...
 

Report: 17 Million People Stopped Buying CDs in 2008

250°
284w ago - Not only are CD sales still falling, but a whopping 17 million customers stopped buying CDs altogether in 2008.

The economic downturn is cited as one reason for the sharp decline, but new services offer viable ways for the music industry to survive this rocky transition period.

While overall music sales were up 10 percent in 2008, the year saw a drop not only in CD sales, but in the number of customers actually purchasing music. But according to a new report, the act of music listening is actually on the rise. While digital music purchases remain strong, the numbers show that there is still much more work to be done in the industry's transition to a new, more diverse set of business models.

NPD's annual Digital Music Study found that there were 17 million fewer CD customers in 2008 than in past years. CD sales have been dropping for quite some time, and while 1.5 billion songs were sold digitally last year, the number of Internet users paying for digital music only increased by 8 million in 2008.

NPD saw all demographics pulling back on CD purchases, but the most significant groups were teenagers and those over 50.

The primary reason for cutting down on CD purchases was a simple slashing of entertainment budgets across all demographics. Cheaper prices for digital albums...
 

PlayStation 3 Guide: Importing Music CDs, Creating Audio Playlists

100°
295w ago - SCEA's Associate Product Manager Kristin Neirinckx has shared the second how-to today via PS Blog as follows:

I'm sure your friends and family members were seriously impressed with your photo slideshow skills you learned on Friday. Similar to that, today we will learn how to import a CD and create a playlist using your favorite music.

It's a little special today because we have two videos instead of one. So now you will be ready in case you want to put together a mix for your New Year's Eve party or create a soundtrack for your [Register or Login to view links]. Have fun!

PS3 How To: Importing a CD




PS3 How To: Creating an Audio Playlist



 

Wal-Mart Replacing Music CDs with Blu-ray Shelf Space

50°
303w ago - Wal-Mart Stores is rapidly downsizing shelf space for music CDs while increasing availability of Blu-ray and consumer electronics in select locations, according to a new report.

The Bentonville, Ark.-based retail behemoth, citing a 23% drop in CD sales during the first four weeks of the fourth quarter, continues to scale back inventories of music packaged media; supplanting it with electronics and movies.

"We believe Wal-Mart is increasing its exposure to consumer electronics, video games and Blu-ray, and reducing floor space devoted to CDs and standard DVDs," said Richard Greenfield, analyst with Pali Capital, in a note.

Greenfield said the chain's floor space devoted to DVD, including Blu- ray, ranged from up modestly to down slightly.

Pali reported that an accelerated rate of sales decline for CDs combined with the slowing of digital unit sales had resulted in Q4 total unit sales declining 11.6%, compared to a 11.3% decline during the previous year period.

Total music sales fell 5% to 7% in the first three quarters of 2008.

In an analyst meeting last week, John Fleming, chief marketing officer with Wal-Mart, said electronics would be getting space expansion in stores due to the decline in physical packaged media.

"In...
 
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