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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...

The poet and artist Robert Sund is a Pacific Northwest legend. This book is an inspired biography comprised of stories, memories, poetry, photography and artwork by those who knew him. The book is also filled with previously unpublished and uncollected works by Sund. A tribute to a life committed to poetry, calligraphy, art and friendship.