The knowledge complexity of interactive proof-systems
STOC '85 Proceedings of the seventeenth annual ACM symposium on Theory of computing
Anonymous Usage of Location-Based Services Through Spatial and Temporal Cloaking
Proceedings of the 1st international conference on Mobile systems, applications and services
SecVisor: a tiny hypervisor to provide lifetime kernel code integrity for commodity OSes
Proceedings of twenty-first ACM SIGOPS symposium on Operating systems principles
Flicker: an execution infrastructure for tcb minimization
Proceedings of the 3rd ACM SIGOPS/EuroSys European Conference on Computer Systems 2008
Location-based trust for mobile user-generated content: applications, challenges and implementations
Proceedings of the 9th workshop on Mobile computing systems and applications
Enabling new mobile applications with location proofs
Proceedings of the 10th workshop on Mobile Computing Systems and Applications
Attacks on public WLAN-based positioning systems
Proceedings of the 7th international conference on Mobile systems, applications, and services
Preserving privacy in location-based mobile social applications
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
Proving your location without giving up your privacy
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
Toward trustworthy mobile sensing
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
I am a sensor, and I approve this message
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
EUROCRYPT'91 Proceedings of the 10th annual international conference on Theory and application of cryptographic techniques
TrustVisor: Efficient TCB Reduction and Attestation
SP '10 Proceedings of the 2010 IEEE Symposium on Security and Privacy
Differentially-private network trace analysis
Proceedings of the ACM SIGCOMM 2010 conference
Towards trustworthy participatory sensing
HotSec'09 Proceedings of the 4th USENIX conference on Hot topics in security
Airavat: security and privacy for MapReduce
NSDI'10 Proceedings of the 7th USENIX conference on Networked systems design and implementation
Beyond kernel-level integrity measurement: enabling remote attestation for the android platform
TRUST'10 Proceedings of the 3rd international conference on Trust and trustworthy computing
LiveLab: measuring wireless networks and smartphone users in the field
ACM SIGMETRICS Performance Evaluation Review
Nexus authorization logic (NAL): Design rationale and applications
ACM Transactions on Information and System Security (TISSEC)
Differential privacy under fire
SEC'11 Proceedings of the 20th USENIX conference on Security
SOSP '11 Proceedings of the Twenty-Third ACM Symposium on Operating Systems Principles
YouProve: authenticity and fidelity in mobile sensing
Proceedings of the 9th ACM Conference on Embedded Networked Sensor Systems
ICALP'06 Proceedings of the 33rd international conference on Automata, Languages and Programming - Volume Part II
Calibrating noise to sensitivity in private data analysis
TCC'06 Proceedings of the Third conference on Theory of Cryptography
Trusted language runtime (TLR): enabling trusted applications on smartphones
Proceedings of the 12th Workshop on Mobile Computing Systems and Applications
Fast app launching for mobile devices using predictive user context
Proceedings of the 10th international conference on Mobile systems, applications, and services
VISION: cloud-powered sight for all: showing the cloud what you see
Proceedings of the third ACM workshop on Mobile cloud computing and services
Policy-sealed data: a new abstraction for building trusted cloud services
Security'12 Proceedings of the 21st USENIX conference on Security symposium
Splitting the bill for mobile data with SIMlets
Proceedings of the 14th Workshop on Mobile Computing Systems and Applications
EnGarde: protecting the mobile phone from malicious NFC interactions
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
P3: toward privacy-preserving photo sharing
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
Using ARM trustzone to build a trusted language runtime for mobile applications
Proceedings of the 19th international conference on Architectural support for programming languages and operating systems
VeriUI: attested login for mobile devices
Proceedings of the 15th Workshop on Mobile Computing Systems and Applications
cTPM: a cloud TPM for cross-device trusted applications
NSDI'14 Proceedings of the 11th USENIX Conference on Networked Systems Design and Implementation
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With the proliferation of e-commerce, e-wallet, and e-health smartphone applications, the need for trusted mobile applications is greater than ever. Unlike their desktop counterparts, many mobile applications rely heavily on sensor inputs. As a result, trust often requires authenticity and integrity of sensor readings. For example, applications may need trusted readings from sensors such as a GPS, camera, or microphone. Recent research has started to recognize the need for "trusted sensors", yet providing the right programming abstractions and system support for building mobile trusted applications is an open problem. This paper proposes two software abstractions for offering trusted sensors to mobile applications. We present the design and implementation of these abstractions on both x86 and ARM platforms. We implement a trusted GPS sensor on both platforms, and we provide a privacy control for trusted location using differential privacy. Our evaluation shows that implementing these abstractions comes with moderate overhead on both x86 and ARM platforms. We find these software abstractions to be versatile and practical - using them we implement one novel enterprise mobile application.