Cryptography and network security book pdf
Cryptography and Network Security Full Notes PDF Download eBW readiness to receive him; not on the chance of his not attacking, but rather on the fact that TU we have made our position unassailable. Security Attacks " Action compromises the information security. Security Services " Enhances the security of data processing and transferring TU! Security mechanism " Detect, prevent and recover from a security attack JN. Confidentiality, authentication, integrity, non-repudiation, non-deny, availability,. Passive attacks " Interception.
NETWORK SECURITY - TYPES OF AUTHENTICATION (Message Encryption, MAC, Hash Functions)
Cryptography and Network Security
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To access the Cryptography and Network Security: Principles and Practice, Sixth Edition, .. PDF files: Reproductions of all figures and tables from the book.
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Modern cryptography exists at the intersection of the disciplines of mathematics , computer science , electrical engineering , communication science , and physics. Applications of cryptography include electronic commerce , chip-based payment cards , digital currencies , computer passwords , and military communications. Cryptography prior to the modern age was effectively synonymous with encryption , the conversion of information from a readable state to apparent nonsense. The originator of an encrypted message shares the decoding technique only with intended recipients to preclude access from adversaries. The cryptography literature often uses the names Alice "A" for the sender, Bob "B" for the intended recipient, and Eve " eavesdropper " for the adversary. Modern cryptography is heavily based on mathematical theory and computer science practice; cryptographic algorithms are designed around computational hardness assumptions , making such algorithms hard to break in practice by any adversary. It is theoretically possible to break such a system, but it is infeasible to do so by any known practical means.
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