Tamper resistant module how is tamper resistant module. Cryptographic hashing is a second main approach for making code more tamper resistant. Every enterprise that has either sensitive resources that can be accessed by many users or resources that traverse unprotected, open networks, such as the internet, needs to be protected. Obfuscated databases and group privacy proceedings of. A study of prescription opioid abusers in a drug rehabilitation program found that 80% tampered with opioid tablets to accelerate drug release by chewing or administering the drug intranasally or intravenously. Tamper resistant module how is tamper resistant module abbreviated. Jan 10, 2018 the effect of a potentially tamper resistant oxycodone formulation on opioid use and harm. We conducted interrupted timeseries analyses of opioid sales data and multiple routinely collected health datasets, followed up a cohort of people who tamper with pharmaceutical opioids before and after the introduction of the tamper resistant formulation of controlledrelease oxycodone, and analysed annual surveys of people who inject drugs.
What is needed, in this case, is tamper resistant software 2. Tamper resistance wikimili, the free encyclopedia wikimili. The paper then presents an architecture and implementation of tamper resistant software based on. This application describes a tamper resistant technique for protecting a program code portion from tampering. The software tamperresistance technique presented in this paper is an application of whitebox cryptography in the sense that the. Implementations may range from a secure application running inside tamperresistant hardware to softwareonly solutions on consumer devices. The results that a software system delivers should be output in a clear and wellstructured form and be easy to interpret. Most of existing tools and methods are allow anyone to alter any attribute associated with digital data. Blockchain gives access to software to send and receive data transactions or events in a distributed also trustworthy manner. Antitamper software or tamperresistant software is software which makes it harder for an attacker to modify it. Tamper resistant devices or features are common on packages to deter package or product tampering. A tamperresistant framework for unambiguous detection of. Tpm key attestation is the ability of the entity requesting a certificate to cryptographically prove to a ca that the rsa key in the certificate request is protected by either a or the tpm that the ca trusts.
The total size of the lookup tables is in the order of hundreds of kilobytes. The hardware implementation makes it resistant to software bugs, however, this level is not designed to be tamperresistant. Strong authentication without tamperresistant hardware and. Design and implementation of automatic defensive websites tamperresistant system jiuyuan huo modern information technology and education center, lanzhou jiaotong university, lanzhou, china email. This might have affected our ability to attribute an association with the tamperresistant formulation of controlledrelease oxycodone. We conducted interrupted timeseries analyses of opioid sales data and multiple routinely collected health datasets, followed up a cohort of people who tamper with pharmaceutical opioids before and after the introduction of the tamperresistant formulation of controlledrelease oxycodone, and analysed annual surveys of people who inject drugs.
Blockchain can be used as it is a distributed ledger, tamper resistant, not susceptible to corruption. It presents a threat model and design principles for countering a defined subset of the threat. The attacker changes one bit and observes the consequences of that change. The measures involved can be passive such as obfuscation to make reverse engineering difficult or active tamperdetection techniques which aim to make a program malfunction or not operate at all if modified. Hong qu modern information technology and education center, lanzhou jiaotong university, lanzhou, china email. Tamper resistant mobile health using blockchain technology. A digest is a oneway hash of the contents of the file. Request pdf design and implementation of automatic defensive websites tamperresistant system webpages tampering attack has become one of the most serious hazards to network security. Submitted to journal of 1 software implementation of. We propose to characterize a device by a set secatt of five boolean attributes 01. Strategies to reduce the tampering and subsequent abuse of. The impact of a side channel attack may be limited to a single object if the keys are diversified divkey. Difference between implementing an interface and applying.
A tamperresistant framework for unambiguous detection of attacks in user space using process monitors ramkumar chinchani and shambhu upadhyaya dept. Agreement of program code with specifications independence of the actual application of the software system. Passthehash pth attacks against the windows operating systems are becoming common. The publisher generates a hash for the software and makes this available with the code, perhaps by publishing it on a web site. The site facilitates research and collaboration in academic endeavors. In an inner memory type tamper resistant microprocessor, a requested secret protection attribute requested for each access target memory page by a task is set and stored exclusively from other tasks, at a time of reading a program into memory pages and executing the program as the task, and a memory secret protection attribute is set and stored for each access target memory page by the task.
The way a reverse engineer breaks obfuscated software is well known. Packaging engineering, june 1983 reported the results of a survey on consumer attitudes towards tamperresistant packaging. Submitted to journal of 1 software implementation of an. Apple tries to patent tamperresistant software as company prepares to shift to intelbased hardware, it files to protect method of securing code to specific hardware. An approach to the objective and quantitative evaluation of.
Firmware tpm firmware tpm is implemented in protected software. The hardware implementation makes it resistant to software bugs, however, this level is not designed to be tamper resistant. A study on tamperresistant software kei kawauchi a study on provably secure multisignature schemes with signers intentions takeaki terada visual secret sharing scheme with optional access structure at efficient number of subpixels masao nonaka a study on the security of block chipers rc5 and rc6 hideyuki miyake. The only feasible operation on an obfuscated record is to look up some attribute y by supplying the value of another attribute x that appears. Design and implementation of automatic defensive websites tamperresistant system jiuyuan huo. The software tamper resistance technique presented in this paper is an application of whitebox cryptography in the sense that the technique makes the correct operation of the whitebox imple. The effect of a potentially tamperresistant oxycodone formulation on opioid use and harm. An approach to the objective and quantitative evaluation. A tamper resistant security module trsm is a device that incorporates physical protections to prevent compromise of cryptographic security parameters that it contains. Apple tries to patent tamperresistant software cnet. Correctness, reliability, adequacy, learnability, robustness, maintainability, readability, extensibility, testability, efficiency, portability. This paper describes a technology for the construction of tamper resistant software. There are varying levels of protection afforded by trsms. Microsoft wants organizations to assume that a breach has already occurred in order to highlight the need for a more mature defense.
The employment of tamperresistant hardware module decreases the usability of strong authentication schemes as end. Is it that with an interface you must provide the implementation where as if you attribute something the compiler will work out the implementation for you. Tamper resistance ranges from simple features like screws with special drives, more complex devices that render themselves inoperable or encrypt all data transmissions between individual chips, or use of materials needing special tools and knowledge. Theft of service attacks on service providers satellite tv, electronic meters, access cards, software protection dongles access. The spots are printed with ink which is opaque to infrared light. Upon tamper detection, antihacking code may produce a crash or gradual failure, rendering the application unusable or troublesome. The employment of tamper resistant hardware module decreases the usability of strong authentication schemes as end. As a user visits the site, server encrypts the requested page. The code runs on the main cpu, so a separate chip is not required. Hardware attribute attribute selectors core services. The center for education and research in information assurance and security cerias is currently viewed as one of the worlds leading centers for research and education in areas of information and cyber security that are crucial to the protection of critical computing and communication infrastructure. Tamperproofing contains large elements of obfuscation obfuscated software cannot be understood by humans. Tamperresistant devices or features are common on packages to deter package or product tampering. Obfuscated databases and group privacy proceedings of the.
So far, no objective and quantitative method is known for evaluating tamperresistant software. Submitted to journal of 1 software implementation of an attributebased encryption scheme eric zavattoni, luis j. It also has the capacity to find the critical security problems of iot mainly reliability and data integrity. Specifying and verifying hardware for tamperresistant software. Theft of service attacks on service providers satellite tv, electronic meters, access cards, software protection dongles access to information information recovery and extraction. Common softwareprotection systems attempt to detect malicious observation and modification of protected applications.
Secure information sharing using attribute certicates and role based access control. An incorrect value causes the program to stop working properly. Common software protection systems attempt to detect malicious observation and modification of protected applications. Request pdf design and implementation of automatic defensive websites tamper resistant system webpages tampering attack has become one of the most serious hazards to network security. The gestalt has scsi bit means the machine is equipped with a scsi implementation based on the 53c80 chip, which was introduced in the macintosh plus.
Check if you have access through your login credentials or your institution to get full access on this article. Tamper resistance and hardware security partii security, computer laboratory, 03 february 2014 why do we need hardware security. Specifying and verifying hardware for tamperresistant software david lie john mitchell chandramohan a. There are many reasons for employing tamper resistance. Today implementation of fast, accurate reliable and. Packaging engineering, june 1983 reported the results of a survey on consumer attitudes towards tamper resistant packaging. Acs are digitally signed by the aa, so they are tamperresistant. Us20030182571a1 internal memory type tamper resistant. The trusted root is called source of authority soa. Tamperresistant mobile health using blockchain technology. A real life example of this can be found in the mobile software deployments by large service providers and are typically applied to platforms such as microsoft. Our premise is that intelligent tampering attacks require knowledge of the program semantics, and this knowledge may be acquired through static analysis. The only feasible operation on an obfuscated record is to look up some attribute y by supplying the value of another.
Lie et al, architectural support for copy and tamper resistant software. The effect of a potentially tamperresistant oxycodone. Data flow isolation technology for security security. There are many ways to realize tamperresistant software including the method of making software hard to read. The paper then presents an architecture and implementation of tamper resistant software based on the principles described. Such a response is designed to complicate attacks, but has also caused problems for developers and end users, particularly when bugs or other. Therefore tamper resistant key trtkey is a very important attribute. Tamper resistance is resistance to tampering intentional malfunction or sabotage by either the normal users of a product, package, or system or others with physical access to it. This technique offers good tamper protection and badges are reasonably difficult to counterfeit. A tamperresistant security module trsm is a device that incorporates physical protections to prevent compromise of cryptographic security parameters that it contains there are varying levels of protection afforded by trsms. According to the described technique, a sequence of code segments having a root code segment and a plurality of subcode segments is defined.
When a users authorization permissions need to be revoked, aa will issue an attribute certicate revocation list acrl containing the list of acs no long to be trusted. Specifying and verifying hardware for tamperresistant. Person opened capsules, added cyanide, replaced products on store shelves seven people were poisoned and died resolution. Dan boneh is part of stanford profiles, official site for faculty, postdocs, students and staff information expertise, bio, research, publications, and more. Mark horowitz computer systems laboratory stanford university stanford ca 94305 abstract we specify a hardware architecture that supports tamperresistant software by identifying an idealized. A guide to understanding design documentation in trusted. Each subcode segment includes an integrity checking portion for checking the integrity of the target code segment. He keeps doing this until the software is understood. A tamper resistant framework for unambiguous detection of attacks in user space using process monitors ramkumar chinchani and shambhu upadhyaya dept. Strong authentication without tamperresistant hardware. These hardware modules of the reference monitor directly support security and will require an explanation of why the reference monitor is tamper resistant, cannot be bypassed, and is correctly implemented. Develop standards and set norms and monitor implementation. A device security is characterized by five boolean security attributes. Design and implementation of automatic defensive websites tamper resistant system jiuyuan huo modern information technology and education center, lanzhou jiaotong university, lanzhou, china email.
This draft attempts to define security classes for devices targeted by suit protocols. Design and implementation of automatic defensive websites. A customer downloads the software and generates a hash to compare with the value provided by the publisher. Dhaservice device healthattestation service device healthattestation service dhaservice validates the data it receives from dhacsp and issues a highly trusted hardware tpm protected report dhareport to dhaenabled device management solutions through a tamper resistant and tamper evident communication channel. The form of digital data to be analyzed is usually transformed in some way and always processed before scrutiny palmer, 2001. Hashing techniques compute hash val ues of code fragments and include checks in the program that com pare these hash values with the predened values. Enterprise tier and web tier applications are made up of components that are deployed into various containers. A secure and robust approach to software tamper resistance. The tpm trust model is discussed more in the deployment overview section later in this topic. Device healthattestation csp windows client management. This paper addresses one aspect of software tamper resistanceprevention of static analysis of programs. Secure information sharing using attribute certicates and.
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