Asymmetric key cryptography

Ebook Foundations of security - What every programmer needs to know: Part 2 includes contents: Chapter 9 password security, chapter 10 cross-domain security in web applications, chapter 11 exercises for part 2, chapter 12 symmetric key cryptography, chapter 13 asymmetric key cryptography, chapter 14 key management and exchange, chapter 15 macs and signatures, chapter 16 exercises for part 3.

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Lecture Cryptography and network security: Chapter 10 after studying this section will help you understand: To distinguish between two cryptosystems: symmetric-key and asymmetric-key; To introduce trapdoor one-way functions and their use in asymmetric-key cryptosystems; To introduce the knapsack cryptosystem as one of the first ideas in asymmetric-key cryptography;...

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Chapter 31 - Network security. In this chapter, we first introduce the security services we typically expect in a network. We then show how these services can be provided using cryptography. At the end of the chapter, we also touch on the issue of distributing symmetric and asymmetric keys.

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The contents of this chapter include all of the following: Diffie-Hellman key exchange, ElGamal cryptography, Elliptic curve cryptography, Pseudorandom Number Generation (PRNG) based on Asymmetric Ciphers.

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Bài giảng "Mật mã học: Public-Key cryptography" cung cấp cho người học các kiến thức: Principles of asymmetric cryptography, one-way function, key lengths and security levels, euclidean algorithm,...Mời các bạn cùng tham khảo.

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Lecture Design and Analysis of Algorithms - Lecture 22: Cryptography: Encryption.The following will be discussed in this chapter: Symmetric key encryption, key exchange, asymmetric key encryption, RSA, NP-complete problems and cryptography.

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The topic discussed in this chapter are: We will explore the need, features and characteristics of public key cryptography; the working/function of a public key cryptography scheme will be discussed in detail; RSA, as an example, will be explained.

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This chapter introduces the concepts of cryptography and covers encryption, hashing, and digital signatures and how these techniques provide confidentiality, integrity, authenticity, and nonrepudiation. You will learn about algorithms, symmetric and asymmetric encryption, digital signatures, and Public Key Infrastructure (PKI).

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Objectives of Chapter 7: To distinguish between two cryptosystems; to introduce trapdoor one-way functions and their use in asymmetric-key cryptosystems; to introduce the knapsack cryptosystem as one of the first ideas in asymmetric-key cryptography; to discuss the RSA cryptosystem.

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Classified along three independent dimensions: The type of operations used for transforming plaintext to ciphertext The number of keys used symmetric (single key) asymmetric (two-keys, or public-key encryption) The way in which the plaintext is processed

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TRAPDOOR ONE-WAY FUNCTIONThe main idea behind asymmetric-key cryptography is the concept of the trapdoor one-way function. TrapdoorOne-WayFunction(TOWF) One-WayFunction(OWF) 1.fiseasytocompute. 2. f −1 is difficult to compute. 3. Given y and a trapdoor, x can be computed easily.

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