It's also good for historical interest. It was a great book for its time. Now it's horribly outdated, even Schneier recommends against using it for anything oth

It's also good for historical interest. It was a great book for its time. Now it's horribly outdated, even Schneier recommends against using it for anything other than learning about the state of academic cryptography in the '90s. Which is important, but not relevant to modern cryptography.