package org.dpppt.backend.sdk.model.gaen.proto.v2

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Used in: TEKSignature, TemporaryExposureKeyExport

• optional string verification_key_version = 3

  Key version in case the key server signing key is rotated. (e.g. "v1") A PHA can only have one active public key at a time, so they must rotate keys on all devices and servers at the same time to avoid problems.

• optional string verification_key_id = 4

  Implementation-specific string that can be used in key verification. Valid character in this string are all alphanumeric characters, underscores, and periods.

• optional string signature_algorithm = 5

  All keys must be signed using the SHA-256 with ECDSA algorithm. This field must contain the string "1.2.840.10045.4.3.2".

Used in: TEKSignatureList

• optional SignatureInfo signature_info = 1

  Information to uniquely identify the public key associated with the key server's signing key.

• optional int32 batch_num = 2

  Reserved for future use. Both batch_num and batch_size must be set to a value of 1.

• optional int32 batch_size = 3

• optional bytes signature = 4

  Signature in X9.62 format (ASN.1 SEQUENCE of two INTEGER fields).

• repeated TEKSignature signatures = 1

  Information about associated signatures

Used in: TemporaryExposureKeyExport

• optional bytes key_data = 1

  Temporary exposure key for an infected user.

• optional int32 transmission_risk_level = 2

  Varying risk associated with a key depending on diagnosis method. Deprecated and no longer used.

• optional int32 rolling_start_interval_number = 3

  The interval number since epoch for which a key starts

• optional int32 rolling_period = 4

  How long this key is valid, specified in increments of 10 minutes

  defaults to 24 hours

• optional TemporaryExposureKey.ReportType report_type = 5

  Type of diagnosis associated with a key.

• optional sint32 days_since_onset_of_symptoms = 6

  Number of days elapsed between symptom onset and the TEK being used. E.g. 2 means TEK is from 2 days after onset of symptoms. Valid values range is from -14 to 14.

Data type that represents why this key was published.

Used in: TemporaryExposureKey

• UNKNOWN = 0

  Never returned by the client API.

• CONFIRMED_TEST = 1

• CONFIRMED_CLINICAL_DIAGNOSIS = 2

• SELF_REPORT = 3

• RECURSIVE = 4

  Reserved for future use.

• REVOKED = 5

  Used to revoke a key, never returned by client API.

• optional fixed64 start_timestamp = 1

  Time window of keys in the file, based on arrival at the server, in UTC seconds.

• optional fixed64 end_timestamp = 2

• optional string region = 3

  The region from which these keys came

• optional int32 batch_num = 4

  Reserved for future use. Both batch_num and batch_size must be set to a value of 1.

• optional int32 batch_size = 5

• repeated SignatureInfo signature_infos = 6

  Information about associated signatures

• repeated TemporaryExposureKey keys = 7

  Exposure keys that are new.

• repeated TemporaryExposureKey revised_keys = 8

  Keys that have changed status from previous key archives, including keys that are being revoked.