tests/guix-authenticate.sh

   1 # GNU Guix --- Functional package management for GNU
   2 # Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
   3 #
   4 # This file is part of GNU Guix.
   5 #
   6 # GNU Guix is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or (at
   9 # your option) any later version.
  10 #
  11 # GNU Guix is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 #
  20 # Test the 'guix authenticate' command-line utility.
  21 #
  22
  23 guix authenticate --version
  24
  25 sig="t-signature-$$"
  26 hash="t-hash-$$"
  27 rm -f "$sig" "$hash"
  28
  29 trap 'rm -f "$sig" "$hash"' EXIT
  30
  31 # A hexadecimal string as long as a sha256 hash.
  32 echo "2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb" \
  33     > "$hash"
  34
  35 guix authenticate rsautl -sign                          \
  36     -inkey "$abs_top_srcdir/tests/signing-key.sec"      \
  37     -in "$hash" > "$sig"
  38 test -f "$sig"
  39
  40 hash2="`guix authenticate rsautl -verify                \
  41           -inkey $abs_top_srcdir/tests/signing-key.pub  \
  42           -pubin -in $sig`"
  43 test "$hash2" = `cat "$hash"`
  44
  45 # Detect corrupt signatures.
  46 if guix authenticate rsautl -verify                             \
  47           -inkey "$abs_top_srcdir/tests/signing-key.pub"        \
  48           -pubin -in /dev/null
  49 then false
  50 else true
  51 fi
  52
  53 # Detect invalid signatures.
  54 # The signature has (payload (data ... (hash sha256 #...#))).  We proceed by
  55 # modifying this hash.
  56 sed -i "$sig"                                                                                   \
  57     -e's|#[A-Z0-9]\{64\}#|#0000000000000000000000000000000000000000000000000000000000000000#|g'
  58 if guix authenticate rsautl -verify                             \
  59           -inkey "$abs_top_srcdir/tests/signing-key.pub"        \
  60           -pubin -in "$sig"
  61 then false
  62 else true
  63 fi