'Substitution box' presentation slideshows

Security Fundamentals (2) Encryption mechanisms

Security Fundamentals (2) Encryption mechanisms. 4/2011. 2-5 MODERN BLOCK CIPHERS. A symmetric-key modern block cipher encrypts an n-bit block of plaintext or decrypts an n-bit block of ciphertext . The encryption or decryption algorithm uses a k-bit key. . 2-5 Continued.

805 views • 64 slides

Information Systems Security

648 views • 49 slides

Brief Overview of Cryptography

677 views • 48 slides