'Key transformation' diaporamas de présentation

Secure Computation Over Encrypted Data

Secure Computation Over Encrypted Data. Liangliang Xiao. Introduction. Cloud Customers outsource their data & computing needs to cloud Hardware technology hits its limit Systems become harder to maintain Security issues in cloud Adversaries attacks Human error

1.05k views • 82 slides

Tamper evident encryption of integers using keyed Hash Message Authentication Code

573 views • 42 slides

Chapter 2 Basic Encryption and Decryption (part B)

Chapter 2 Basic Encryption and Decryption (part B). Transpositions (Permutations). P.52 Transposition: an encryption in which the letters of the message are rearranged Also known as permutations Compare the goals: Substitution ? confusion Transposition ? diffusion. Confusion vs Diffusion.

289 views • 28 slides

Chapter 2 Encryption Algorithms (Part D)

Chapter 2 Encryption Algorithms (Part D). Outline. NP-completeness & Encryption Symmetric (secret key) vs Asymmetric (public key) Encryptions Popular Encryption Algorithms DES AES RSA Encryption El Gamal Algorithms Hashing Algorithms. Data Encryption Standard (DES).

252 views • 25 slides

Chapter 3 Encryption Algorithms & Systems (Part D)

Chapter 3 Encryption Algorithms & Systems (Part D). Outline. NP-completeness & Encryption Symmetric (secret key) vs Asymmetric (public key) Encryptions Popular Encryption Algorithms Merkle-Hellman Knapsacks RSA Encryption El Gamal Algorithms DES Hashing Algorithms Key Escrow & Clipper.

348 views • 21 slides