Cryptography basics

Lecture "On safety and security of information systems: Cryptography" provide students with knowledge about: Basic terminology of cryptography; History of cryptography; Symmetric cipher;... Please refer to the detailed content of the lecture!

56p hoabingan205 12-12-2022 10 5   Download

Bài giảng "Mật mã học: Tổng quan về mật mã học" cung cấp cho người học các kiến thức: Introduction, information security and cryptography, cryptographic goals, one-way functions, basic terminology and concepts,... Mời các bạn cùng tham khảo.

41p abcxyz123_10 07-06-2020 26 4   Download

Chương 7 - Cryptography basics and methods (Mật mã và các phương pháp). Nội dung chính trình bày trong chương này gồm có: Tổng quan về mật mã, các thuật giải mã hóa, các hệ thống mã hóa, kiến trúc hạ tầng khóa công cộng, đối phó với các tấn công mã hóa.

40p nhanmotchut_1 04-10-2016 105 8   Download

Lecture Operating System: Chapter 09 - Security presented The security environment, Basics of cryptography, User authentication, Attacks from inside the system, Attacks from outside the system, Protection mechanisms, Trusted systems.

56p talata_1 22-09-2014 90 7   Download

Advanced Encryption Standard competition began in 1997 Rijndael was selected to be the new AES in 2001 AES basic structures: block cipher, but not Feistel cipher encryption and decryption are similar, but not symmetrical basic unit: byte, not bit block size: 16-bytes (128 bits) three different key lengths: 128, 192, 256 bits AES-128, AES-192, AES-256 each 16-byte block is represented as a 4 x 4 square matrix, called the state matrix the number of rounds depends on key lengths 4 simple operations on the state matrix every round (except the last round) ...

38p muathu_102 28-01-2013 73 3   Download

Các thuật ngữ cơ bản (Basic Terminology) + plaintext : thông điệp gốc (original message ) + Ciphertext : thông điệp mã hóa ( coded message ) + cipher : algorithm for transforming plaintext to ciphertext + key : info used in cipher known only to sender/receiver + encipher (encrypt) : converting plaintext to ciphertext + decipher (decrypt) : recovering ciphertext from plaintext + cryptography : study of encryption principles/methods + cryptanalysis (codebreaking) : the study of principles/ methods of deciphering ciphertext without knowing key + cryptology : lĩnh vực nghiên cứu của cả cryptogr...

45p d15tmt 01-04-2011 199 42   Download

Threats and Mitigation Conventional Cryptography and Kerberos Public Key Cryptography and SSL Windows Security 101: Basics Windows Security 102: Impersonation and Delegation Code Access Security Part 1, Policy Code Access Security Part 2, Enforcement Securing Web Applications Securing Web Services Securing System.Runtime.Remoting Securing COM+ Dumb Code: avoid writing code with silly security holes

368p goldit 09-10-2010 129 24   Download