Presentation is loading. Please wait.

Presentation is loading. Please wait.

CS 140 Lecture Notes: Protection

Published byRémi Gobeil Modified over 6 years ago

Similar presentations

Presentation on theme: "CS 140 Lecture Notes: Protection"— Presentation transcript:

1 CS 140 Lecture Notes: Protection
Access Matrix File A File B File C Printer 1 Alice RW OK Bob R Carol David Faculty CS 140 Lecture Notes: Protection

2 CS 140 Lecture Notes: Protection
Access Matrix File A File B File C Printer 1 Alice RW OK Bob R Carol David Faculty Access Control List CS 140 Lecture Notes: Protection

3 CS 140 Lecture Notes: Protection
Access Matrix File A File B File C Printer 1 Alice RW OK Bob R Carol David Faculty Capability List CS 140 Lecture Notes: Protection

4 Sharing and communication impossible!
Capability Lists Alice’s capabilities Bob’s capabilities Sharing and communication impossible! CS 140 Lecture Notes: Protection

5 Capability Lists Alice’s capabilities Bob’s capabilities Shared object
Shared capability list CS 140 Lecture Notes: Protection

Download ppt "CS 140 Lecture Notes: Protection"

Similar presentations

Quantum Computation and Quantum Information – Lecture 3

Quantum Computation and Quantum Information – Lecture 3
1 Traversing a List Iteration. Idiom for traversing a null-terminated linked list. for (Node x = first; x != null; x = x.next) { StdOut.println(x.item);

1 Traversing a List Iteration. Idiom for traversing a null-terminated linked list. for (Node x = first; x != null; x = x.next) { StdOut.println(x.item);
CS 142 Lecture Notes: FormsSlide 1 Simple Form Product: Price:

CS 142 Lecture Notes: FormsSlide 1 Simple Form Product: Price:
CS 221 Chapter 2 Excel. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(A1

CS 221 Chapter 2 Excel. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(A1
CS2210(22C:19) Discrete Structures Relations Spring 2015 Sukumar Ghosh.

CS2210(22C:19) Discrete Structures Relations Spring 2015 Sukumar Ghosh.
CS 483 – SD SECTION (8) AUTHORIZATION. INTRODUCTION The authorization (or access control) process is used to decide if person, program or device X is.

CS 483 – SD SECTION (8) AUTHORIZATION. INTRODUCTION The authorization (or access control) process is used to decide if person, program or device X is.
1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3.4.

CS 142 Lecture Notes: FormsSlide 1 AJAX Basics xhr = new XMLHttpRequest(); xhr.onreadystatechange = xhrHandler(); xhr.open(POST, url); xhr.send(postData);...

CS 142 Lecture Notes: FormsSlide 1 AJAX Basics xhr = new XMLHttpRequest(); xhr.onreadystatechange = xhrHandler(); xhr.open("POST", url); xhr.send(postData);...
Slide#: 1© GPS Financial Services 2008-2009Revised 05/03/2009 cms 2 RW Rep-AP-QuickVendorList ™ Cougar Mountain Software Professional Version.

Slide#: 1© GPS Financial Services Revised 05/03/2009 cms 2 RW Rep-AP-QuickVendorList ™ Cougar Mountain Software Professional Version.
CS 190 Lecture Notes: Tweeter ProjectSlide 1 Uniform Resource Locators (URLs) Scheme Host.

CS 190 Lecture Notes: Tweeter ProjectSlide 1 Uniform Resource Locators (URLs) Scheme Host.
CS110 Database Questions. IDNAMEBIRTH YEARBIRTH MONTHHAIR COLOR 1Alice1991MarchBrunette 2Bob1982DecemberBrunette 3Carl1973AugustBlonde 4Daniella1960MayBlack.

CS110 Database Questions. IDNAMEBIRTH YEARBIRTH MONTHHAIR COLOR 1Alice1991MarchBrunette 2Bob1982DecemberBrunette 3Carl1973AugustBlonde 4Daniella1960MayBlack.
CS-7081 Irreflexive – (13 - 8). CS-7082 Example – (13 - 9)

CS-7081 Irreflexive – (13 - 8). CS-7082 Example – (13 - 9)
PRESENT PERFECT SINCE / FOR. 1)Jane and Carol ____________ (know) each other ________ a long time. 2)When _______ it _______ (start) raining? 3)Sarah.

PRESENT PERFECT SINCE / FOR. 1)Jane and Carol ____________ (know) each other ________ a long time. 2)When _______ it _______ (start) raining? 3)Sarah.
1 10/15/04CS150 Introduction to Computer Science 1 Reading from and Writing to Files Part 2.

1 10/15/04CS150 Introduction to Computer Science 1 Reading from and Writing to Files Part 2.
CS 142 Lecture Notes: JavascriptSlide 1 Simple Javascript Example sum = 0; for (i = 1; i < 10; i++) { sum += i*i; }

CS 142 Lecture Notes: JavascriptSlide 1 Simple Javascript Example sum = 0; for (i = 1; i < 10; i++) { sum += i*i; }
1 Authorization Sec PAL: A Decentralized Authorization Language.

1 Authorization Sec PAL: A Decentralized Authorization Language.
= the matrix for T relative to the standard basis is a basis for R 2. B is the matrix for T relative to To find B, complete:

= the matrix for T relative to the standard basis is a basis for R 2. B is the matrix for T relative to To find B, complete:
Reducing a Set Covering Matrix. S I T E S Cost 1 3 10 4 4 3 10 8 15 Areas 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 11010001101000 00110110011011 01110100111010.

Reducing a Set Covering Matrix. S I T E S Cost Areas
CS580 Internet Security Protocols

CS580 Internet Security Protocols
Protection and Security

Protection and Security

Similar presentations

Ads by Google