Add the Phone Link linked accounts artifact - #1312
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Extends the Phone Link module, which read the event store and the linked app list, with the accounts the app stored for the link between the phone and a Windows computer. The account name, its type and the username come from the ACCOUNT_NAME Preferences DataStore file. The sibling ACCOUNT_DATA_NAME file holds encoded blobs per account, some of them credential material, so no value from it is reported; the attribute names it stores are reported instead so an examiner knows what the app held. sample_data measured on 23 Android corpora. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Extends the Phone Link module, which read the event store and the linked app list, with a third artifact: the accounts the app stored for the link between this phone and a Windows computer.
The account name, its type and the username come from the ACCOUNT_NAME Preferences DataStore file, a protobuf key and value store. The sibling ACCOUNT_DATA_NAME file holds encoded blobs keyed by the account plus an attribute name, and some are credential material such as a private key or an identity token, so no value from that file is reported. The attribute names are reported with their count so an examiner knows what the app held for each account.
Phone Link pairs the phone with a computer signed in to the same account, so a row names an account used for that pairing. The file carries no timestamp and a row does not establish that a computer is still linked. Measured on 23 Android corpora, with rows on 2 of them.
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