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  1. SCMS
  2. SCMS-537

RA-to-EE encryption

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      To avoid that an adversary is able to read EE's enrollment certificate (protect location privacy) or, in case of pseudonym certificates, that an adversary is able to read PCA-encrypted pseudonym certificates.

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      To avoid that an adversary is able to read EE's enrollment certificate (protect location privacy) or, in case of pseudonym certificates, that an adversary is able to read PCA-encrypted pseudonym certificates.
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      For pseudonym certificates, this counters a somewhat exotic attack: if an attacker eavesdrops all individually encrypted pseudonym certificates (encrypted by PCA to EE), and then later extracts the Butterfly keys (e.g., after the car arrived on the junk yard), the attacker is able to track the target vehicle in a retrofit manner assuming that attacker has access to a large database of tracking data. For other certificates, this is just an add-on security layer.

      Show
      For pseudonym certificates, this counters a somewhat exotic attack: if an attacker eavesdrops all individually encrypted pseudonym certificates (encrypted by PCA to EE), and then later extracts the Butterfly keys (e.g., after the car arrived on the junk yard), the attacker is able to track the target vehicle in a retrofit manner assuming that attacker has access to a large database of tracking data. For other certificates, this is just an add-on security layer.
    • Sprint 1 - Core Software

    Description

      The RA-to-EE communication shall be encrypted.

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            jhahn Jeff Hahn (Inactive)
            bbrecht Benedikt Brecht
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