for (i in 0 until length) {
          val line = source.readUtf8LineStrict()
          val bytes = Buffer()
          val certificateBytes = line.decodeBase64() ?: throw IOException("Corrupt certificate in cache entry")
          bytes.write(certificateBytes)
          result.add(certificateFactory.generateCertificate(bytes.inputStream()))
        }
        return result
      } catch (e: CertificateException) {