@type t() :: %SBoM.CycloneDX.V17.CryptoProperties.CertificateProperties{
  __unknown_fields__: [Protobuf.unknown_field()],
  activationDate: Google.Protobuf.Timestamp.t() | nil,
  certificateExtension: String.t() | nil,
  certificateExtensions:
    SBoM.CycloneDX.V17.CryptoProperties.CertificateExtensions.t() | nil,
  certificateFileExtension: String.t() | nil,
  certificateFormat: String.t() | nil,
  certificateState: [SBoM.CycloneDX.V17.CryptoProperties.CertificateState.t()],
  creationDate: Google.Protobuf.Timestamp.t() | nil,
  deactivationDate: Google.Protobuf.Timestamp.t() | nil,
  destructionDate: Google.Protobuf.Timestamp.t() | nil,
  fingerprint: SBoM.CycloneDX.V17.Hash.t() | nil,
  issuerName: String.t() | nil,
  notValidAfter: Google.Protobuf.Timestamp.t() | nil,
  notValidBefore: Google.Protobuf.Timestamp.t() | nil,
  relatedCryptographicAssets:
    SBoM.CycloneDX.V17.CryptoProperties.RelatedCryptographicAssets.t() | nil,
  revocationDate: Google.Protobuf.Timestamp.t() | nil,
  serialNumber: String.t() | nil,
  signatureAlgorithmRef: String.t() | nil,
  subjectName: String.t() | nil,
  subjectPublicKeyRef: String.t() | nil
}