Update from https://github.com/corona-warn-app/cwa-protocol-buffers/commit/bd3a9d59874fcffb4a45c644bbe088dccff3176e (#5717)

Author: Corona-Warn-App-Technical-User

Server-Protocol-Buffer/src/main/proto/internal/ppdd/ppac_android.proto

@@ -8,6 +8,4 @@ message PPACAndroid {
   string safetyNetJws = 1;
 
   string salt = 2;
-
-  bytes androidId = 3; // optional, only required for SRS
 }

Server-Protocol-Buffer/src/main/proto/internal/ppdd/srs_otp_request_android.proto

@@ -3,11 +3,17 @@ syntax = "proto3";
 package de.rki.coronawarnapp.server.protocols.internal.ppdd;
 
 import "internal/ppdd/ppac_android.proto";
-import "internal/ppdd/srs_otp.proto";
 
 message SRSOneTimePasswordRequestAndroid {
 
   PPACAndroid authentication = 1;
 
   SRSOneTimePassword payload = 2;
+
+  bytes requestPadding = 3;
+
+  message SRSOneTimePassword {
+    string otp = 1;
+    bytes androidId = 2;
+  }
 }

Server-Protocol-Buffer/src/main/proto/internal/ppdd/srs_otp_request_ios.proto

@@ -10,4 +10,6 @@ message SRSOneTimePasswordRequestIOS {
   PPACIOS authentication = 1;
 
   SRSOneTimePassword payload = 2;
+
+  bytes requestPadding = 3;
 }

Server-Protocol-Buffer/src/main/proto/internal/v2/ppdd_ppa_parameters.proto

@@ -19,4 +19,9 @@ message PPDDPrivacyPreservingAnalyticsParametersCommon {
     double probabilityToSubmitExposureWindows = 2;
     int32 hoursSinceTestRegistrationToSubmitTestResultMetadata = 3;
     int32 hoursSinceTestResultToSubmitKeySubmissionMetadata = 4;
+    PPDDPrivacyPreservingAnalyticsPlausibleDeniabilityParameters plausibleDeniabilityParameters = 5;
+}
+
+message PPDDPrivacyPreservingAnalyticsPlausibleDeniabilityParameters {
+  double probabilityOfFakeKeySubmission = 1;
 }

Server-Protocol-Buffer/src/main/proto/internal/v2/ppdd_srs_parameters.proto

@@ -17,4 +17,10 @@ message PPDDSelfReportSubmissionParametersAndroid {
 message PPDDSelfReportSubmissionParametersCommon {
   int32 timeSinceOnboardingInHours = 1;
   int32 timeBetweenSubmissionsInDays = 2;
+  PPDDSelfReportSubmissionPlausibleDeniabilityParameters plausibleDeniabilityParameters = 3;
+}
+
+message PPDDSelfReportSubmissionPlausibleDeniabilityParameters {
+  int32 minRequestPaddingBytes = 1;
+  int32 maxRequestPaddingBytes = 2;
 }