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Cryptography is an indispensable tool used to protect information in computing systems. It is used everywhere and by billions of people worldwide on a daily basis. It is used to protect data at rest and data in motion. Cryptographic systems are an…

Essentials of Business Communications, by Guffey, Business Communications: Process and Product, was developed to prepare students for careers in business by highlighting best practices and strategies, backed by leading-edge research, to help students…