[ateeqs]

How exactly is it substantial? I felt he mostly says things along the lines of, "oh, here is the 3-DES algorithm." But there is no commentary after it. Queestions like why is 3-DES structured so, or what are these fields are not explained at all. To me, it says that he doesn't really know how 3-DES works at all. Or, another case I remember is the simple password protection scheme in ZIP. He says that the three keys are initialized with these three values (which can be found in the PKZIP app readme). Then he goes on to claim that it is not secure and that cryptographers can break it easily. But how would start to do it is not explained at all. Why even mention what these three keys are initialized with? It was a disappointing book.

I felt he did not even disseminate old knowledge because he does not know/comprehend old knowledge. He just disseminated old predicates.