From 0820098d1ccf63e3e8b44df67dcb4236b78975c6 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sat, 21 Dec 2013 21:47:17 +0100
Subject: authenticate: Add test.

* tests/guix-authenticate.sh: New file.
* Makefile.am (SH_TESTS): Add it.
---
 Makefile.am                |  3 ++-
 tests/guix-authenticate.sh | 63 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 1 deletion(-)
 create mode 100644 tests/guix-authenticate.sh

diff --git a/Makefile.am b/Makefile.am
index 34846c3e29..4815c55fba 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -129,7 +129,8 @@ SH_TESTS =					\
   tests/guix-download.sh			\
   tests/guix-gc.sh				\
   tests/guix-hash.sh				\
-  tests/guix-package.sh
+  tests/guix-package.sh				\
+  tests/guix-authenticate.sh
 
 if BUILD_DAEMON
 
diff --git a/tests/guix-authenticate.sh b/tests/guix-authenticate.sh
new file mode 100644
index 0000000000..aa6f9e9f01
--- /dev/null
+++ b/tests/guix-authenticate.sh
@@ -0,0 +1,63 @@
+# GNU Guix --- Functional package management for GNU
+# Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
+#
+# This file is part of GNU Guix.
+#
+# GNU Guix is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or (at
+# your option) any later version.
+#
+# GNU Guix is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+#
+# Test the 'guix authenticate' command-line utility.
+#
+
+guix authenticate --version
+
+sig="t-signature-$$"
+hash="t-hash-$$"
+rm -f "$sig" "$hash"
+
+trap 'rm -f "$sig" "$hash"' EXIT
+
+# A hexadecimal string as long as a sha256 hash.
+echo "2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb" \
+    > "$hash"
+
+guix authenticate rsautl -sign				\
+    -inkey "$abs_top_srcdir/tests/signing-key.sec"	\
+    -in "$hash" > "$sig"
+test -f "$sig"
+
+hash2="`guix authenticate rsautl -verify		\
+          -inkey $abs_top_srcdir/tests/signing-key.pub	\
+          -pubin -in $sig`"
+test "$hash2" = `cat "$hash"`
+
+# Detect corrupt signatures.
+if guix authenticate rsautl -verify				\
+          -inkey "$abs_top_srcdir/tests/signing-key.pub"	\
+          -pubin -in /dev/null
+then false
+else true
+fi
+
+# Detect invalid signatures.
+# The signature has (payload (data ... (hash sha256 #...#))).  We proceed by
+# modifying this hash.
+sed -i "$sig"											\
+    -e's|#[A-Z0-9]\{64\}#|#0000000000000000000000000000000000000000000000000000000000000000#|g'
+if guix authenticate rsautl -verify				\
+          -inkey "$abs_top_srcdir/tests/signing-key.pub"	\
+          -pubin -in "$sig"
+then false
+else true
+fi
-- 
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