Download E-books Understanding Cryptography: A Textbook for Students and Practitioners PDF

By Christof Paar, Jan Pelzl

Cryptography is now ubiquitous – relocating past the normal environments, akin to executive communications and banking structures, we see cryptographic concepts discovered in net browsers, email courses, mobile phones, production structures, embedded software program, clever structures, automobiles, or even clinical implants. modern-day designers desire a finished figuring out of utilized cryptography.

After an creation to cryptography and knowledge defense, the authors clarify the most recommendations in glossy cryptography, with chapters addressing circulate ciphers, the knowledge Encryption common (DES) and 3DES, the complex Encryption general (AES), block ciphers, the RSA cryptosystem, public-key cryptosystems in keeping with the discrete logarithm challenge, elliptic-curve cryptography (ECC), electronic signatures, hash features, Message Authentication Codes (MACs), and techniques for key institution, together with certificate and public-key infrastructure (PKI). in the course of the e-book, the authors concentrate on speaking the necessities and retaining the maths to a minimal, they usually stream speedy from explaining the principles to describing sensible implementations, together with fresh subject matters similar to light-weight ciphers for RFIDs and cellular units, and present key-length recommendations.

The authors have enormous adventure educating utilized cryptography to engineering and laptop technological know-how scholars and to pros, they usually make broad use of examples, difficulties, and bankruptcy studies, whereas the book’s web site deals slides, tasks and hyperlinks to extra assets. it is a appropriate textbook for graduate and complicated undergraduate classes and in addition for self-study via engineers.

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264 Table of Contents xvii 10. 2. 1 Schoolbook RSA electronic Signature . . . . . . . . . . . . . . . . . . . . . 265 10. 2. 2 Computational features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 10. 2. three protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 10. three The Elgamal electronic Signature Scheme . . . . . . . . . . . . . . . . . . . . . . . . 270 10. three. 1 Schoolbook Elgamal electronic Signature . . . . . . . . . . . . . . . . . . 270 10. three. 2 Computational facets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 10. three. three protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274 10. four The electronic Signature set of rules (DSA) . . . . . . . . . . . . . . . . . . . . . . . . 277 10. four. 1 The DSA set of rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277 10. four. 2 Computational points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280 10. four. three safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 10. five The Elliptic Curve electronic Signature set of rules (ECDSA) . . . . . . . . 282 10. five. 1 The ECDSA set of rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 10. five. 2 Computational features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285 10. five. three protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286 10. 6 dialogue and extra examining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287 10. 7 classes discovered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288 difficulties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 eleven Hash services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293 eleven. 1 Motivation: Signing lengthy Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 eleven. 2 safety requisites of Hash capabilities . . . . . . . . . . . . . . . . . . . . . . 296 eleven. 2. 1 Preimage Resistance or One-Wayness . . . . . . . . . . . . . . . . . . . 297 eleven. 2. 2 moment Preimage Resistance or vulnerable Collision Resistance . 297 eleven. 2. three Collision Resistance and the Birthday assault . . . . . . . . . . . . . 299 eleven. three review of Hash Algorithms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 eleven. three. 1 committed Hash capabilities: The MD4 relations . . . . . . . . . . . . . 304 eleven. three. 2 Hash features from Block Ciphers . . . . . . . . . . . . . . . . . . . . 305 eleven. four The safe Hash set of rules SHA-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 eleven. four. 1 Preprocessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308 eleven. four. 2 Hash Computation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309 eleven. four. three Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312 eleven. five dialogue and extra interpreting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312 eleven. 6 classes discovered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313 difficulties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 12 Message Authentication Codes (MACs) . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 12. 1 rules of Message Authentication Codes . . . . . . . . . . . . . . . . . . . . 320 12. 2 MACs from Hash features: HMAC . . . . . . . . . . . . . . . . . . . . . . . . . . 321 12. three MACs from Block Ciphers: CBC-MAC . . . . . . . . . . . . . . . . . . . . . . . . 325 12. four Galois Counter Message Authentication Code (GMAC) . . . . . . . . . . 327 12. five dialogue and additional analyzing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 12. 6 classes discovered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 difficulties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329 xviii thirteen desk of Contents Key institution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331 thirteen. 1 creation . . . . . . . . . . . . .

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