I wrote this book for software engineers with little or no exposure to cryptography. Most other books fall into one of two categories, the encyclopedia and description or the purely API descriptive. The goal was try and bridge the two by providing a solid introduction to cryptography while providing solid examples and uses. In addition, many books focus overwhelmingly on public key techniques. In my experience the most common uses for public key ciphers are handled by third-party applications (VPNs, Emails) or off-the-shelf protocols such as SSL and SSH.
(more…)

“ Create, correct, and control with layers, the most powerful tool in Photoshop and Photoshop Elements. Imagine yourself in total control of every adjustment to your photos. You’ve seen the illustrations in glossy magazines, the fine art reproductions in museum catalogs, the award-winning pictures of professional photographers. To produce this kind of magic, understanding how to use layers for your entire breadth of image correction is key.
(more…)

Create strange lands filled with mysterious objects (cows frozen in
blocks of ice, chirping penguins, golden globes with wavering eyes) and
throw away your keyboard and mouse, to go exploring armed only with a
gamepad, power glove, or just your bare hands…
(more…)

“ Unlike the early days of Photoshop, for several years now most Photoshop books have been aimed at photographers; there is a big hole on the bookstore shelf that needs to be filled by a Photoshop book that is geared specifically towards graphic design professionals and production artists.
(more…)

Digital imaging technology has been used in forensics since at least 1992, yet until now there? has been?no practical instruction available to address the unique issues of image processing in an everyday forensic environment. Photoshop CS3 for Forensics Professionals serves the everyday, real-world needs of law enforcement and legal personnel dealing with digital images (including both photos and video stills). This book is an excellent tool for:
(more…)