[Webkit-unassigned] [Bug 223956] New: PCM: PrivateClickMeasurementManager::getTokenPublicKey() should not use PrivateClickMeasurement::PcmDataCarried::PersonallyIdentifiable when validating the token before the attribution report is sent

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=223956

            Bug ID: 223956
           Summary: PCM:
                    PrivateClickMeasurementManager::getTokenPublicKey()
                    should not use
                    PrivateClickMeasurement::PcmDataCarried::PersonallyIde
                    ntifiable when validating the token before the
                    attribution report is sent
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: wilander at apple.com

PrivateClickMeasurementManager::getTokenPublicKey() is currently configured to use PrivateClickMeasurement::PcmDataCarried::PersonallyIdentifiable when minting the unlinkable and secret tokens. However, PrivateClickMeasurementManager::getTokenPublicKey() is used a second time when validating the secret token before the attribution report is sent. On the second occasion, PrivateClickMeasurement::PcmDataCarried::NonPersonallyIdentifiable should be used. Which to use should probably be controlled by the caller.

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