Decrypted secrets
by Friedrich Ludwig Bauer · first published 1997
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Cryptology, for millennia a "secret science", is rapidly gaining in practical importance for the protection of communication channels, databases, and software. Beside its role in computerized information systems (public key systems), more and more applications within computer systems and networks are appearing, which also extend to access rights and source file protection. The first part of this book treats secret codes and their uses - cryptography. The second part deals with the process of covertly decrypting a secret code - cryptanalysis - where in particular advice on assessing methods is
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There was also a Friedrich L. Bauer (no relation) who wrote the excellent book Decrypted Secrets: Methods and Maxims of Cryptology which details both the History and the Mathematics of classical ciphers. It is a pretty rare book to find in print form nowadays so here is a archive link - https://archive.org/details/DecryptedSecretsMethodsMaximsOfC...
on “The Gold-Bug: Edgar Allan Poe's story that taught me about cryptography (2024)” ↗I looked at Bauer's 'Decrypted Secrets' and when it gets to this it goes - something, ADFGVX, something, Kriegsmarine-modified-Enigma, Shannon and then Suddenly, Horst. It's been a long time since I've read any of the relevant history but…
on “The two-time pad: midwife of information theory?” ↗