KryptDet

KryptDet

1. Mathematics

   • Primes and Pseudoprimes
   • Factorization Problem
   • Modular Square Roots

2. Shannon's Information Theory

   • Entropy
     • Confusion und Diffusion
   • Huffman Coding
   • The Lempel-Ziv Encoder

3. Hashes

   • Design Principles
     • Merkle-Damgard
       • MD5
       • SHA-1
       • SHA-2
     • Sponge Functions
       • SHA-3 (Keccak)

4. Verschlüsselung

   • Symetrisch
     • Classical Systems (Symetrisch)
       • The Shift Cipher (Caesar Cipher) [substitution] [monoalphabetic]
       • The Substitution Cipher [substitution] [monoalphabetic]
       • The Affine Cipher [substitution] [monoalphabetic]
       • The Vigenere Cipher [substitution] [polyalphabetic]
     • Block Ciphers
       • Modes
         • Electronic Code Book Mode (ECB)
         • Cipher Block Chaining (CBC)
         • Cipher Feedback Mode (CFB)
         • Output Feedback Mode (OFB)
         • XEX and XTS Modes
       • Implementations
         • Data Encryption Standard (DES) [56 bit key / 64-bit blocks]
         • TRIPLE DES [112 bit strength / 168 bit key / 64-bit blocks]
         • International Data Encryption Algorithm (IDEA) [128 bit key / 64-bit blocks]
         • Advanced Encryption Standard (AES) [128,160,192,224,256 bit key / 128-bit blocks]
     • StreamCiphers
       • Linear feedback shift register (LFSR)
   • Asymetrisch
     • Classical Systems (A-symetrisch)
       • The Hill Cipher [substitution] [polyalphabetic]
       • The Permutation Cipher [transposition]
     • Rivest-Shamir-Adleman (RSA)
       • Zertifikate
     • Diffie-Hellman Key Exchange (DHE)
     • Elliptic curve cryptography (ECC)

5. Cryptoanalyse

   • Classical Attacks
   • Other Attacks