'Memory protection' diaporamas de présentation

Chapter 5a

Chapter 5a. Operating Systems Security Stallings chapters 4,10,23,24. Protecting Hardware / System Resources. Hardware : Memory, CPU, I/O System Identity (Authentication) Processes and address spaces Files Network (penetration, messages) Databases, Web sites. Hardware security.

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School of Computing Science Simon Fraser University CMPT 300: Operating Systems I

School of Computing Science Simon Fraser University CMPT 300: Operating Systems I Ch 8: Memory Management Dr. Mohamed Hefeeda. Objectives. To provide a detailed description of various ways of organizing memory hardware

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School of Computing Science Simon Fraser University CMPT 300: Operating Systems I

School of Computing Science Simon Fraser University CMPT 300: Operating Systems I Ch 8: Memory Management Dr. Mohamed Hefeeda. Objectives. To provide a detailed description of various ways of organizing memory hardware

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Memory Management -1

Memory Management -1. Background Swapping Memory Management Schemes Contiguous Allocation Memory Protection with Base and Bound Registers Segmentation Paging Virtual Memory. Background. Program must be brought into memory and placed within a process for it to be run.

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Program Security

Program Security. Programming Issues of Security. Types and effects of flaws and malicious code Techniques to help control program threats. Malicious Code. Definition: unexpected or undesired effects in programs or parts caused by an agent intent on damage. [Pfleeger97] Two main categories:

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Program Security

Program Security. Programming Issues of Security. Types and effects of flaws and malicious code Techniques to help control program threats. Malicious Code. Definition: unexpected or undesired effects in programs or parts caused by an agent intent on damage. [Pfleeger97] Two main categories:

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Carnegie Mellon

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Operating Systems Overview

Operating Systems Overview. Chapter 2. Operating System. Is a program that controls the execution of application programs OS must relinquish control to user programs and regain it safely and efficiently Tells the CPU when to execute other pgms

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Extended Memory Controller (XMC) and the MPAX Registers

Extended Memory Controller (XMC) and the MPAX Registers. KeyStone Training Multicore Applications Literature Number : SPRPxxx. Agenda. C66x Architecture Review CorePac MPAX Registers CorePac MAR Registers TeraNet Access to MPAX Registers Real Code Examples. C6678 Architecture Review.

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John D. Leidel jleidel <at> ttu <dot> edu

An Introduction to Goblin-Core64 A Massively Parallel Processor Architecture Designed for Complex Data Analytics. John D. Leidel jleidel <at> ttu <dot> edu. Overview. Data Intensive Computing Architectural Challenges The destruction of cache efficiency using irregular algorithms

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Real Time Operating Systems QNx RTOS 6.1

Real Time Operating Systems QNx RTOS 6.1. Professor: Mohamed Khalil CSE 8343 GROUP-A1 Anita Kanuganti. Agenda. Overview Features Examples of RTOS QNx RTOS v 6.1 System Architecture Task Handling Method Memory Management Method Interrupt Handling Method Internet Support

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Real Time Operating Systems QNx RTOS 6.1

Real Time Operating Systems QNx RTOS 6.1. Professor: Mohamed Khalil CSE 8343 GROUP-A1 Anita Kanuganti. Agenda. Overview Features Examples of RTOS QNx RTOS v 6.1 System Architecture Task Handling Method Memory Management Method Interrupt Handling Method Internet Support

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Sreeram Ramalingam 10/26/2005

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Homework

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Win32 Programming

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Verification & Validation

Verification & Validation. Possible Topics. TPM Specifications TPM Protection Profile TPM Compliance Specifications The Compliance of Specific TPMs Platforms Virtual TPMs Systems incorporating TPM platforms. Possible Topics. TPM Specifications TPM Protection Profile

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Lecture Topics: 11/19

Lecture Topics: 11/19. Paging Page tables Memory protection, validation Multilevel paging. Address Translation. The user process has one view of memory: its virtual address space In reality, the physical addresses of the process are entirely different maybe not contiguous

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Operating Systems Date:26/3/14 By B Harishma 11CS30009

Operating Systems Date:26/3/14 By B Harishma 11CS30009. Paging. Logical Address ? Address generated by the CPU Divide logical memory into blocks of same size called PAGES . Physical Address ? Address seen by the memory unit Physical address of a process can be non contiguous.

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Fine-Grained Isolation for the Apache Web Server

Fine-Grained Isolation for the Apache Web Server. Andrea Bittau Mark Handley Petr Marchenko Brad Karp Computer Science department UCL. Motivation & Problem Definition. Apache Web Server. private key. parser. network. Motivation & Problem Definition. Apache Web Server.

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Hypervisor-Protected System Architecture

Hypervisor-Protected System Architecture. App. App. App. Protected OS. Hypervisor. Hardware. Phy Mem. Adv. MMU. Kernel. Key. Code. KPT. SPT. IOMMU. Data. SecVisor. Adv. DEV. Vulnerability 1: Adversary gives eXe privilege to code stored in user memory. SPT. X. User Mem. X.

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