sources:
  cacert.org.der: 135cec36f49cb8e93b1ab270cd80884676ce8f33
  cacert_class3.der: ad7c3f64fc4439fef4e90be8f47c6cfa8aadfdce
  publicxca_der.crt: da10a95e099405402d8b72b05643491a1b5ee5ec
  rootca_der.crt: b2bd9031aa6d0e14f4c57fd548258f37b1fb39e4
  rootcerts.tar.bz2: 54c4ec6b7d2c04dee64f80a2e1b4fe545b1b7484