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

Get desktop application:
View/edit binary Protocol Buffers messages

• optional Header header = 1

• repeated Key key = 2

Used in: File

• optional int64 startTimestamp = 1

  Time window of keys in this file based on arrival to server, in UTC.

• optional int64 endTimestamp = 2

• optional string region = 3

  Region for which these keys came from (e.g., country)

• optional int32 batchNum = 4

  E.g., Batch 2 of 10

• optional int32 batchSize = 5

Used in: File

• optional bytes keyData = 1

  Key of infected user

• optional uint32 rollingStartNumber = 2

  Interval number when the key's EKRollingPeriod started.

• optional uint32 rollingPeriod = 3

  Number of 10-minute windows between key rolling.

• optional int32 transmissionRiskLevel = 4

  Risk of transmission associated with the person this key came from.

Used in: TEKSignature, TemporaryExposureKeyExport

• optional string app_bundle_id = 1

  Apple App Store Application Bundle ID

• optional string android_package = 2

  Android App package name

• optional string verification_key_version = 3

  Key version for rollovers

  Additional identifying information E.g., backend might serve app in different countries with different keys

• optional string verification_key_id = 4

• optional string signature_algorithm = 5

  E.g. ECDSA using a p-256 curve and SHA-256 as a hash function

Used in: TEKSignatureList

• optional SignatureInfo signature_info = 1

  Info about the signing key, version, algorithm, etc

• optional int32 batch_num = 2

  E.g., File 2 in batch size of 10. Ordinal, 1-based numbering. E.g., Batch 2 of 10

• 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

  Key of infected user

• optional int32 transmission_risk_level = 2

  Varying risk associated with a key depending on diagnosis method

• optional int32 rolling_start_interval_number = 3

  The interval number since epoch for which a key starts

• optional int32 rolling_period = 4

  Increments of 10 minutes describing how long a key is valid

  defaults to 24 hours

• optional fixed64 start_timestamp = 1

  Time window of keys in this batch based on arrival to server, in UTC seconds

• optional fixed64 end_timestamp = 2

• optional string region = 3

  Region for which these keys came from (e.g., country)

• optional int32 batch_num = 4

  E.g., File 2 in batch size of 10. Ordinal, 1-based numbering.

• optional int32 batch_size = 5

• repeated SignatureInfo signature_infos = 6

  Information about associated signatures

• repeated TemporaryExposureKey keys = 7

  The TemporaryExposureKeys themselves