anchor.diff:          # NIIBE Yutaka
           "031E C253 6E58 0D8E A286  A9F2 2071 B08A 33BD 3F06"
         ];
  -      outputHash = "626aafee84af9d2ce253d2c143dc1c0902dda045780cc241f39970fc60be05bc";
  +      outputHash = "b9b85eba0793ea3e6e66b896eb031fa05e1a4517277cc9ab10816b359254cd9a";
         inherit (src) outputHashAlgo;
       };
     };
  
positive.code:   passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        urls = tarballUrls "1.7.6";
        pgpsigUrls = map (n: "${n}.sig") urls;
        pgpKeyFingerprints = [
          # Werner Koch
  
negative.code:     "mirror://gnupg/libgcrypt/libgcrypt-${version}.tar.bz2"
    ];
  
    version = "1.7.7";
  in
  stdenv.mkDerivation rec {
    name = "libgcrypt-${version}";
  