Author: Matt Bishop Given at: UC Davis Date: January 27, 2016 |
First slide (slide 1) Last slide (slide 41) PDF version |

Slide 1: Lecture for January 27, 2016

Slide 2: Integrity Models

Slide 3: Requirements of Policies

Slide 4: Biba Integrity Model

Slide 5: Intuition for Integrity Levels

Slide 6: Information Flow and Model

Slide 7: Strict Integrity Policy

Slide 8: LOCUS and Biba

Slide 9: Clark-Wilson Integrity Model

Slide 10: Entities

Slide 11: Certification Rules 1 and 2

Slide 12: Enforcement Rules 1 and 2

Slide 13: Users and Rules

Slide 14: Logging

Slide 15: Handling Untrusted Input

Slide 16: Separation of Duty In Model

Slide 17: Comparison With Requirements

Slide 18: Comparison With Requirements

Slide 19: Comparison to Biba

Slide 20: UNIX Implementation

Slide 21: CDI Arrangement

Slide 22: Examples

Slide 23: Problems

Slide 24: Key Points

Slide 25: Cryptography Overview

Slide 26: Cryptosystem

Slide 27: Example

Slide 28: Attacks

Slide 29: Basis for Attacks

Slide 30: Classical Cryptography

Slide 31: Transposition Cipher

Slide 32: Attacking the Cipher

Slide 33: Example

Slide 34: Example

Slide 35: Substitution Ciphers

Slide 36: Attacking the Cipher

Slide 37: Statistical Attack

Slide 38: Character Frequencies

Slide 39: Statistical Analysis

Slide 40: Correlation:\loch\af1\dbch\f2\fs88\cf1 \field SYMBOL 106 \\f "Symbol" \\s 44\fldrslt\f4\fs88}}} (i) for 0 \uc1\u8804\'b2 i \uc1\u8804\'b2 25

Slide 41: The Result

Slide 2: Integrity Models

Slide 3: Requirements of Policies

Slide 4: Biba Integrity Model

Slide 5: Intuition for Integrity Levels

Slide 6: Information Flow and Model

Slide 7: Strict Integrity Policy

Slide 8: LOCUS and Biba

Slide 9: Clark-Wilson Integrity Model

Slide 10: Entities

Slide 11: Certification Rules 1 and 2

Slide 12: Enforcement Rules 1 and 2

Slide 13: Users and Rules

Slide 14: Logging

Slide 15: Handling Untrusted Input

Slide 16: Separation of Duty In Model

Slide 17: Comparison With Requirements

Slide 18: Comparison With Requirements

Slide 19: Comparison to Biba

Slide 20: UNIX Implementation

Slide 21: CDI Arrangement

Slide 22: Examples

Slide 23: Problems

Slide 24: Key Points

Slide 25: Cryptography Overview

Slide 26: Cryptosystem

Slide 27: Example

Slide 28: Attacks

Slide 29: Basis for Attacks

Slide 30: Classical Cryptography

Slide 31: Transposition Cipher

Slide 32: Attacking the Cipher

Slide 33: Example

Slide 34: Example

Slide 35: Substitution Ciphers

Slide 36: Attacking the Cipher

Slide 37: Statistical Attack

Slide 38: Character Frequencies

Slide 39: Statistical Analysis

Slide 40: Correlation:

Slide 41: The Result