This book is a clear and informative introduction to cryptography and data protection--subjects of considerable social and political importance. It explains what algorithms do, how they are used, the risks associated with using them, and why governments should be concerned. Important areas are highlighted, such as Stream Ciphers, block ciphers, public key algorithms, digital signatures, and applications such as e-commerce. This book highlights the explosive impact of cryptography on modern society, with, for example, the evolution of the internet and the introduction of more sophisticated banking methods.

The first graphic novel in the new DC Black Label imprint is here in Batman: White Knight! The impossible has happened: the Joker has become... sane. Now calling himself Gotham's newest protector, the Joker now spearheads a task force to take down the dangerous masked vigilante known as Batman. Visionary creator Sean Murphy (Punk Rock Jesus, American Vampire) unveils his radical take on the greatest rivalry in comics in Batman: White Knight!
After years of epic battles, the Dark Knight finally finds a way to cure the twisted mind of his archenemy. The Clown Prince of Crime has now changed his ways, fighting for good in Gotham City, and it may just cause Batman to go over the edge of his own sanity.
Writer/artist Sean Murphy takes the helm of this Batman/Joker story like no one else could, delivering an alternative examination of the relationship between the greatest rivals in the DC Universe, exploring the darkest corners of justice and madness. This new graphic novel is the latest in great stand-alone stories from DC Comics. Collects issues #1-8.
DC Black Label, a new publishing imprint from DC Entertainment, gives premier talent the opportunity to expand upon the canon of DC's iconic Super Hero comic book characters with unique, standalone stories that are outside of the current DC Universe continuity. An all-star lineup of creative teams will craft their own personal definitive DC stories in the tradition of compelling literary works like Batman: The Killing Joke, DC: The New Frontier and Kingdom Come.

A #1 New York Times Best Seller!
Winner of the 2014 Eisner Award for Best Limited Series
New York Times bestselling author, Scott Snyder (American Vampire, Batman, Swamp Thing) and artist Sean Murphy (Punk Rock Jesus, Joe The Barbarian), the incredible team behind the miniseries American Vampire: Survival of the Fittest, are reuniting for the powerful miniseries: THE WAKE.
When Marine Biologist Lee Archer is approached by the Department of Homeland Security for help with a new threat, she declines, but quickly realizes they won't take no for an answer. Soon she is plunging to the depths of the Arctic Circle to a secret, underwater oilrig filled with roughnecks and scientists on the brink of an incredible discovery. But when things go horribly wrong, this scientific safe haven will turn into a house of horrors at the bottom of the ocean!
Collects THE WAKE #1-10.

The Joker recruits Azrael to help him expose a shocking secret from the Wayne family's legacy-and run Gotham City into the ground! As Batman rushes to protect the city and his loved ones from danger, the mystery of his ancestry unravels and Batman begins to question everything he thought he knew about himself and his place in Gotham.
With Gotham City's identity and institutions hanging in the balance, Barbara Gordon decides to take matters into her own hands - but will her rogue actions play right into The Joker's plans? After tragedy strikes, Renee Montoya steps into the fray to lead the GTO and restore order to the chaos that is quickly consuming Gotham City. Lightning-quick pacing and an all-star cast of Gotham's heaviest hitters will keep you on the edge of your seat until the breathtaking finale of this second installment of the White Knight saga!
Collects Batman: Curse of the White Knight #1-8 and Batman: White Knight Presents Von Freeze #1.

The Isles of Los Angles 2089 - Humanity is addicted to technology. Getting a virtual buzz is the only thing left to live for, and gangsters run it all. And who do these gangsters turn to when they need their rule enforced? Constables Led Dent and Debbie Decay are about to be given a job that will force them out of the familiar squalor of LA and into the last tech-less country on Earth: The Garden Nation of Tokyo.
Presenting the full run of the smash hit TOKYO GHOST by RICK REMENDER and SEAN MURPHY in this oversized hardcover, packed with extra content, variants, designs, sketches and bonus materials!
Collecting TOKYO GHOST #1-10