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Difference between revisions of "Secure Enclave"
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| + | #REDIRECT [[Secure Enclave Processor]] |
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| − | The '''Secure Enclave''' is part of the [[A7]] and newer chips used for [[Touch ID]]. Within the Secure Enclave, the fingerprint data is stored in an encrypted form which - according to Apple - can only be decrypted by a key available by the Secure Enclave thus making fingerprint data walled off from the rest of A7 Chip and the rest of iOS. The secure enclave itself is a flashable 4MB processor called the secure enclave processor (SEP) as documented in [http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220130308838%22.PGNR.&OS=DN/20130308838&RS=DN/20130308838 Apple Patent Application 20130308838]. The technology used is essentially [http://www.arm.com/products/processors/technologies/trustzone/index.php ARM's TrustZone/SecurCore]. |
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| − | The SEP is located in the devicetree under IODeviceTree:/arm-io/sep and manged by the AppleSEPManager driver as seen [http://winocm.com/images/ioregdump.txt here] |
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| − | ==SEP OS== |
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| − | The SEP has its own OS called SEP OS and there exists a tool called [[seputil]] which is used to communicate with it. |
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| − | ==Further References== |
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| − | [http://www.forbes.com/sites/quora/2013/09/18/what-is-apples-new-secure-enclave-and-why-is-it-important/ www.forbes.com] |
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Latest revision as of 07:24, 7 March 2020
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