Pre-Owned Modern Cryptography: Applied Mathematics for Encryption and Information Security Paperback
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Pre-Owned Modern Cryptography: Applied Mathematics for Encryption and Information Security Paperback

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A Practical Guide to Cryptography Principles and Security Practices

Employ cryptography in real-world security situations using the hands-on information contained in this book. InfoSec expert Chuck Easttom lays out essential math skills and fully explains how to implement cryptographic algorithms in today's data protection landscape. Find out how to use ciphers and hashes, generate random keys, handle VPN and WiFi security, and encrypt VoIP, Email, and Web communications. Modern Cryptography: Applied Mathematics for Encryption and Information Security covers cryptanalysis, steganography, and cryptographic backdoors.

  • Learn the necessary number theory, discrete math, and algebra
  • Employ symmetric ciphers, including Feistel and substitution-permutation ciphers
  • Understand asymmetric cryptography algorithms
  • Design s-boxes that maximize output non-linearity
  • Deploy cryptographic hashes
  • Create cryptographic keys using pseudo random number generators
  • Encrypt Web traffic using SSL/TLS
  • Secure VPN, WiFi, and SSH communications
  • Work with cryptanalysis and steganography
  • Explore government, military, and intelligence agency applications
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Perfect working condition with no signs of wear or usage. The original protective wrapping, if any, may be missing but the original packaging must be intact. Instructions are included for appropriate categories.

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Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.

Pre-Owned: Like New

Item is in excellent condition, perfect working condition and has no signs of wear/usage. The original protective wrapping, if any, may be missing but the original packaging is intact.

What is the Walmart Pre-Owned Program?

Walmart Pre-Owned allows you to find previously owned, well-cared-for items from Walmart’s trusted & performance-managed sellers. Shopping Pre-Owned allows you to bring home the best-quality picks at even lower prices, in addition to extending the life of an item & reducing waste. Find your favorites & shop a range of conditions in every category.

See here for additional details & specific condition qualifications.

Why Walmart Pre-Owned?

Trusted sellers & quality items

Each Pre-Owned item listed comes from Walmart’s trusted performance-managed sellers, to ensure you get quality items.

Quality you can afford

Save even more on top brands & your most-loved items.

30-day free returns

Don’t love it? Most items offer a 30-day* free return policy, for added peace of mind.

Sustainability

Shopping Pre-Owned helps in extending the life of an item & reducing waste.

Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.

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