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This book is not meant to be a comprehensive text in cryptography. There are certain topics covered very briefly or omitted entirely. For instance, there is no significant history of cryptography in the text. For a well-written, concise account of some history, see [33, Chapter 1, Section 1].
Moreover, I did not include any quantum cryptography. For a discussion of the quantum key distribution protocol, see [37, Chapter 4, Section 4.4.5].