'Z j k q' presentation slideshows

Lecture 02 Symmetric Cryptography

Lecture 02 Symmetric Cryptography. Asst.Prof. Supakorn Kungpisdan, Ph.D. supakorn@mut.ac.th. Outline. Overview of Cryptography Symmetric Cryptography Classical Cryptographic Techniques Block Ciphers VS Stream Cipher DES and 3DES Advanced Encryption Standard (AES)

1.81k views • 149 slides

Cryptography

919 views • 70 slides

Cryptography Classical Ciphers

Cryptography Classical Ciphers. Examples of threats to Network Security . User A sends a file to user B. User C intercept and reads valuable data A network manager D transmits a message to E with authorization privileges and User F intercepts the message and changes it and reroute it to D

742 views • 37 slides

Symmetric Encryption

871 views • 33 slides

Cryptography & Network Security Exercise 1

573 views • 29 slides

Crypto for CTFs

Crypto for CTFs. RPISEC 2013 Ben Kaiser. Terminology. plaintext - the original message ciphertext - the coded message cipher - algorithm for transforming plaintext to ciphertext key - info used in cipher known only to sender/receiver

417 views • 25 slides