'Shift rows' diaporamas de présentation

AES

AES. Advanced Encryption Standard. Origins of AES. In 1999, NIST issued a new standard that is said 3DES, 168-bit key length Algorithm is the same as DES 3DES had drawbacks Algorithm is sluggish in software Only uses 64-bit block size. Origins of AES (2).

1.08k views • 48 slides

AES

AES. Advanced Encryption Standard. Origins of AES. In 1999, NIST issued a new standard that is said 3DES, 168-bit key length Algorithm is the same as DES 3DES had drawbacks Algorithm is sluggish in software Only uses 64-bit block size. Origins of AES (2).

687 views • 48 slides

CS363

Week 3 - Wednesday. CS363. Last time. What did we talk about last time? DES Started AES. Questions?. Assignment 1. Project 1. Security Presentation. Omar Mustardo. AES. AES internals. AES keeps an internal state of 128 bits in a 4 x 4 table of bytes

480 views • 36 slides

Origins

550 views • 26 slides

Cryptography and Network Security

242 views • 19 slides

CPSC 3730 Cryptography

CPSC 3730 Cryptography. Chapter 5 AES. Rijndael. data block of 4 columns of 4 bytes is state key is expanded to array of words has 9/11/13 rounds in which state undergoes: byte substitution (1 S-box used on every byte) shift rows (permute bytes between groups/columns)

289 views • 18 slides

Advanced Encryption Standard (AES)

462 views • 15 slides

FFTW and Matlab*p

FFTW and Matlab*p. Richard Hu 6.338 Project. Outline. Background Work Done and Algorithm Results Q&A. Background. Integrating FFTW into Matlab*p requires translating from block-cyclic distribution to row distribution and back Want to minimize communication and delays. Work Done.

249 views • 9 slides