Johannes A. Buchmann Books

Introduction to Cryptography Undergraduate Texts in Mathematics

By Johannes Buchmann

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Introduction to Cryptography

By Johannes A. Buchmann

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Cryptography is a key technology in electronic key systems. It is used to keep data secret, digitally sign documents, access control, etc. Therefore, users should not only know how its techniques w...

Introduction to Cryptography

By Johannes A. Buchmann

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Introduction a la cryptographie

By Johannes A. Buchmann

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Introduction to Public Key Infrastructures

By Alexander Wiesmaier, Evangelos Karatsiolis, Johannes A. Buchmann

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The introduction of public key cryptography (PKC) was a critical advance in IT security. In contrast to symmetric key cryptography, it enables confidential communication between entities in open ne...

Introduction to Public Key Infrastructures

By Alexander Wiesmaier, Evangelos Karatsiolis, Johannes A. Buchmann

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Introduction to Quantum Algorithms

By Johannes A. Buchmann

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Introduction to Public Key Infrastructures

By Alexander Wiesmaier, Evangelos Karatsiolis, Johannes A. Buchmann

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.