'Affine cipher' presentation slideshows

In Sagemath

In Sagemath. Cryptography. Cryptosystems. Cryptosystem + SymmetricKeyCryptosystem HillCryptosystem LFSRCryptosystem ShiftCryptosystem ShrinkingGeneratorCryptosystem SubstitutionCryptosystem TranspositionCryptosystem VigenereCryptosystem Simplified DES (S-DES) + PublicKeyCryptosystem.

1.57k views • 136 slides

Internet & Web Security

612 views • 61 slides

Classical Ciphers

Terminology Monoalphabetic ciphers (Shift, Affine) Permutation Cipher; Vigenere Substitution Cipher and one-time pad. Classical Ciphers. CSCI283/172 Fall 2006 GWU. From Schneier. Some terminology.

466 views • 46 slides

Classical Ciphers

Terminology Monoalphabetic ciphers (Shift, Affine) Permutation Cipher; Vigenere Substitution Cipher and one-time pad. Classical Ciphers. CSCI283 Fall 2005 Lecture 5 Part 1 GWU. From Schneier. Some terminology.

519 views • 46 slides

Classical Monoalphabetic Ciphers

Classical Monoalphabetic Ciphers. Day 2. Keyword cipher. Select a keyword, if the keyword has any repeated letters, drop all but the first occurrence. Write the keyword below the alphabet and fill in the rest of the space with the remaining letters of the alphabet in their standard order.

252 views • 15 slides

Cryptography Trivia

Cryptography Trivia. The Game. 8 groups of 2 5 rounds Basic Definitions Substitution Cryptosystems Math Tricky Questions Comparing Cryptosystems 10 questions per round Each question is worth 1 point. Basic Definitions.

137 views • 13 slides

CAP Cryptographic Analysis Program

CAP Cryptographic Analysis Program. Affine Cipher Help Presentation. Press Enter or click on your mouse button to continue. The Affine Cipher System. The affine cipher is another version of a substitution cipher Each letter is assigned a number A = 0, B = 1, . . ., Z = 25

49 views • 4 slides