THPDFCSCOptions Record

THPDFCSCOptions = record
  ServiceBaseURL: UnicodeString;
  CredentialID, AccessToken, SAD, ClientData: AnsiString;
  RequireSAD, AutoAuthorize, AllowInsecureHTTP: Boolean;
  OperationMode: THPDFCSCOperationMode;
  RetryLimit, MaxPollAttempts: Integer;
  RetryBaseDelayMS, MaxRetryAfterMS, PollIntervalMS: Cardinal;
  AsyncValidityPeriodMS: Cardinal;
  TokenRefreshSkewSeconds, SADRefreshSkewSeconds: Integer;
  MaxResponseBytes, MaxSignatureBytes, MaxTimestampBytes: Integer;
  MaxCertificateChainCount, MaxCertificateBytes: Integer;
  MaxBatchSignatures, MaxOperationCacheEntries: Integer;
  EstimatedSignatureBytes: Integer;
  EnableIdempotency: Boolean;
  class function Default: THPDFCSCOptions; static;
end;

Default 選用非同步簽章、僅限 HTTPS 的端點、自動 SAD 授權、兩次暫時性重試、64 個簽章的本機批次上限、有限的輪詢與承載預算、穩定的冪等鍵，以及 128 個操作的快取

AllowInsecureHTTP 只為受控的開發端點而存在，而且照樣拒絕非 HTTP scheme

CSC 遠端簽章提供者