600.412.lecture06

600.412.lecture06 - Security and Privacy in Cloud Computing...

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Ragib Hasan Johns Hopkins University Lecture 6 03/14/201 1 Security and Privacy in Cloud Computing
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Securing Computations in a Cloud Goal: Examine the correctness problem of outsourced computations. Review Assignment #5: (Due 3/28) Du et al., RunTest: Assuring Integrity of Dataflow Processing in Cloud Computing Infrastructures , AsiaCCS 2010 3/14/2011 en.600.412 Spring 2011 Lecture 6
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Recap: PoR and HAIL Strengths? Weaknesses? Ideas? 3/14/2011 en.600.412 Spring 2011 Lecture 6
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Verifying Computations in a Cloud 3/14/2011 en.600.412 Spring 2011 Lecture 6 Scenario User sends her data processing job to the cloud. Clouds provide dataflow operation as a service (e.g., MapReduce, Hadoop etc.) Problem : Users have no way of evaluating the correctness of results
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Threat Model Attacker: Cloud provider itself may be malicious Even for honest cloud providers, some nodes may be compromised Malicious nodes can snoop on data and/or tamper results Assests: Integrity of results Confidentiality of inputs and results 3/14/2011 en.600.412 Spring 2011 Lecture 6
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DataFlow Operations 3/14/2011 en.600.412 Spring 2011 Lecture 6 Properties High performance, in-memory data processing
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This note was uploaded on 01/27/2012 for the course CS 600 taught by Professor Smith,r during the Spring '08 term at Alabama.

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600.412.lecture06 - Security and Privacy in Cloud Computing...

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