&YQPTVSF/PUJ fi DBUJPOT"1* &YQPTVSF/PUJ fi DBUJPOTʢ৮֬ೝʣ"1*ɺεϚʔτϑΥϯͷ#MVFUPPUIΛ ར༻ͯ͠ɺਓͱਓ͕৮ͨ͜͠ͱΛݕɺه͢ΔͨΊͷΈɻ (PPHMFͱ"QQMF͕ڞಉͰ։ൃ͍ͯ͠Δ͜ͱ͔Βɺ("&/ʢ(PPHMF"QQMF &YQPTVSF/PUJ fi DBUJPOʣͱݺΕΔ͜ͱ͋Δɻ &YQPTVSF/PUJ fi DBUJPOT"1*ʢ&/"1*ʣΛͬͨΞϓϦΛʮ৮֬ೝΞϓϦʯ ͱݴ͏ɻ ৮֬ೝΞϓϦͷར༻ऀɺར༻ऀ͕৽ܕίϩφΠϧεʢ$07*%ʣײછ ͷཅੑ͕֬ఆͨ͠ͱ͖ʹɺҰఆظؒʢײછྗΛ࣋ͭͱ͞ΕΔظؒʣʹ৮͠ ͨଞͷ৮֬ೝΞϓϦͷར༻ऀʹಗ໊Ͱ௨Ͱ͖Δɻ
17 16 6f fd 29 ac 0d 91 7a 59 97 2d 63 cd b2 cd b5 89 17 40 35 f6 0e b9 Rolling Proximity Identi fi er
16 bytes Encrypted
Metadata
4 bytes Length
1 byte Type
1 byte UUID
1 byte 23 0xfd6f 16 https://covid19-static.cdn-apple.com/applications/covid19/current/static/contact-tracing/pdf/ExposureNoti fi cation-BluetoothSpeci fi cationv1.2.pdf
ʠ"TTPDJBUFE&ODSZQUFE.FUBEBUB "&. " QSJWBDZQSFTFSWJOHFODSZQUFENFUBEBUBUIBUTIBMM CFVTFEUPDBSSZQSPUPDPMWFSTJPOJOHBOEUSBOTNJU 5Y QPXFSGPSCFUUFSEJTUBODFBQQSPYJNBUJPO 5IF"TTPDJBUFE&ODSZQUFE.FUBEBUBDIBOHFT BCPVUFWFSZNJOVUFT
BUUIFTBNFDBEFODFBT UIF3PMMJOH1SPYJNJUZ*EFOUJ fi FS
UPQSFWFOUXJSFMFTT USBDLJOHPGUIFEFWJDFʡ xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx xxxx xx xx Major Minor 35 f6 0e b9 Reserved
1 byte Transmit power level
1 byte Versioning
1 byte
LSB fi rst Reserved
1 byte Decrypt AES-CTR Reserved https://covid19-static.cdn-apple.com/applications/covid19/current/static/contact-tracing/pdf/ExposureNoti fi cation-BluetoothSpeci fi cationv1.2.pdf
https://covid19-static.cdn-apple.com/applications/covid19/current/static/contact-tracing/pdf/ExposureNoti fi cation-CryptographySpeci fi cationv1.2.pdf