diff --git a/system/files/aptly.pub b/system/files/aptly.pub
new file mode 100644
index 00000000..08758e43
Binary files /dev/null and b/system/files/aptly.pub differ
diff --git a/system/files/aptly.sec b/system/files/aptly.sec
new file mode 100644
index 00000000..f90e1c91
Binary files /dev/null and b/system/files/aptly.sec differ
diff --git a/system/gpg-gen-key b/system/gpg-gen-key
new file mode 100644
index 00000000..6af211b9
--- /dev/null
+++ b/system/gpg-gen-key
@@ -0,0 +1,13 @@
+Key-Type: DSA
+Key-Length: 1024
+Subkey-Type: ELG-E
+Subkey-Length: 1024
+Name-Real: Aptly Tester
+Name-Comment: don't use it
+Name-Email: test@aptly.info
+Expire-Date: 0
+%pubring aptly.pub
+%secring aptly.sec
+# Do a commit here, so that we can later print "done" :-)
+%commit
+%echo done
\ No newline at end of file
diff --git a/system/lib.py b/system/lib.py
index e0be0768..3140cc9c 100644
--- a/system/lib.py
+++ b/system/lib.py
@@ -129,9 +129,6 @@ class BaseTest(object):
                           os.path.join(os.path.dirname(inspect.getsourcefile(BaseTest)), "files", "flat.key")])
 
         if hasattr(self, "fixtureCmds"):
-            if self.fixtureWebServer:
-                params = {'url': self.webServerUrl}
-                self.fixtureCmds = [string.Template(cmd).substitute(params) for cmd in self.fixtureCmds]
             for cmd in self.fixtureCmds:
                 self.run_cmd(cmd)
 
@@ -141,6 +138,12 @@ class BaseTest(object):
     def run_cmd(self, command, expected_code=0):
         try:
             if not hasattr(command, "__iter__"):
+                params = {'files': os.path.join(os.path.dirname(inspect.getsourcefile(BaseTest)), "files")}
+                if self.fixtureWebServer:
+                    params['url'] = self.webServerUrl
+
+                command = string.Template(command).substitute(params)
+
                 command = shlex.split(command)
             environ = os.environ.copy()
             environ["LC_ALL"] = "C"
diff --git a/system/t05_snapshot/drop.py b/system/t05_snapshot/drop.py
index 8683ce2c..80cb4beb 100644
--- a/system/t05_snapshot/drop.py
+++ b/system/t05_snapshot/drop.py
@@ -51,7 +51,7 @@ class DropSnapshot4Test(BaseTest):
     fixturePool = True
     fixtureCmds = [
         "aptly snapshot create snap1 from mirror gnuplot-maverick",
-        "aptly publish snapshot snap1"
+        "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap1"
     ]
     runCmd = "aptly snapshot drop snap1"
     expectedCode = 1
@@ -65,7 +65,7 @@ class DropSnapshot5Test(BaseTest):
     fixturePool = True
     fixtureCmds = [
         "aptly snapshot create snap1 from mirror gnuplot-maverick",
-        "aptly publish snapshot snap1"
+        "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap1"
     ]
     runCmd = "aptly snapshot drop --force snap1"
     expectedCode = 1
@@ -88,7 +88,7 @@ class DropSnapshot7Test(BaseTest):
     fixturePool = True
     fixtureCmds = [
         "aptly snapshot create snap1 from mirror gnuplot-maverick",
-        "aptly publish snapshot snap1",
+        "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap1",
         "aptly publish drop maverick",
     ]
     runCmd = "aptly snapshot drop snap1"
diff --git a/system/t06_publish/drop.py b/system/t06_publish/drop.py
index c9066cc3..6a21f32f 100644
--- a/system/t06_publish/drop.py
+++ b/system/t06_publish/drop.py
@@ -9,7 +9,7 @@ class PublishDrop1Test(BaseTest):
     fixturePool = True
     fixtureCmds = [
         "aptly snapshot create snap1 from mirror gnuplot-maverick",
-        "aptly publish snapshot snap1",
+        "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap1",
     ]
     runCmd = "aptly publish drop maverick"
     gold_processor = BaseTest.expand_environ
@@ -29,7 +29,7 @@ class PublishDrop2Test(BaseTest):
     fixturePool = True
     fixtureCmds = [
         "aptly snapshot create snap1 from mirror gnuplot-maverick",
-        "aptly publish snapshot snap1 ppa/smira",
+        "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap1 ppa/smira",
     ]
     runCmd = "aptly publish drop maverick ppa/smira"
     gold_processor = BaseTest.expand_environ
diff --git a/system/t06_publish/list.py b/system/t06_publish/list.py
index a0fd8694..0c720669 100644
--- a/system/t06_publish/list.py
+++ b/system/t06_publish/list.py
@@ -17,7 +17,7 @@ class PublishList2Test(BaseTest):
     fixtureCmds = [
         "aptly snapshot create snap1 from mirror gnuplot-maverick",
         "aptly snapshot merge snap2 snap1",
-        "aptly publish snapshot snap1",
-        "aptly -architectures=amd64 publish snapshot -distribution=wheezy -component=contrib snap2 ppa/smira",
+        "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap1",
+        "aptly -architectures=amd64 publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec -distribution=wheezy -component=contrib snap2 ppa/smira",
     ]
     runCmd = "aptly publish list"
diff --git a/system/t06_publish/snapshot.py b/system/t06_publish/snapshot.py
index cfcfd0e4..406963fd 100644
--- a/system/t06_publish/snapshot.py
+++ b/system/t06_publish/snapshot.py
@@ -1,5 +1,6 @@
 import os
 import hashlib
+import inspect
 from lib import BaseTest
 
 
@@ -16,7 +17,7 @@ class PublishSnapshot1Test(BaseTest):
     fixtureCmds = [
         "aptly snapshot create snap1 from mirror gnuplot-maverick",
     ]
-    runCmd = "aptly publish snapshot snap1"
+    runCmd = "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap1"
     gold_processor = BaseTest.expand_environ
 
     def check(self):
@@ -39,8 +40,10 @@ class PublishSnapshot1Test(BaseTest):
         self.check_file_contents('public/dists/maverick/Release', 'release', match_prepare=strip_processor)
 
         # verify signatures
-        self.run_cmd(["gpg", "--verify", os.path.join(os.environ["HOME"], ".aptly", 'public/dists/maverick/InRelease')])
-        self.run_cmd(["gpg", "--verify", os.path.join(os.environ["HOME"], ".aptly", 'public/dists/maverick/Release.gpg'),
+        self.run_cmd(["gpg", "--keyring", os.path.join(os.path.dirname(inspect.getsourcefile(BaseTest)), "files", "aptly.pub"),
+                      "--verify", os.path.join(os.environ["HOME"], ".aptly", 'public/dists/maverick/InRelease')])
+        self.run_cmd(["gpg",  "--keyring", os.path.join(os.path.dirname(inspect.getsourcefile(BaseTest)), "files", "aptly.pub"),
+                      "--verify", os.path.join(os.environ["HOME"], ".aptly", 'public/dists/maverick/Release.gpg'),
                       os.path.join(os.environ["HOME"], ".aptly", 'public/dists/maverick/Release')])
 
         # verify sums
@@ -83,7 +86,7 @@ class PublishSnapshot2Test(BaseTest):
     fixtureCmds = [
         "aptly snapshot create snap2 from mirror gnuplot-maverick",
     ]
-    runCmd = "aptly publish snapshot -distribution=squeeze snap2"
+    runCmd = "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec -distribution=squeeze snap2"
     gold_processor = BaseTest.expand_environ
 
     def check(self):
@@ -115,7 +118,7 @@ class PublishSnapshot3Test(BaseTest):
     fixtureCmds = [
         "aptly snapshot create snap3 from mirror gnuplot-maverick",
     ]
-    runCmd = "aptly publish snapshot -distribution=squeeze -component=contrib snap3"
+    runCmd = "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec -distribution=squeeze -component=contrib snap3"
     gold_processor = BaseTest.expand_environ
 
     def check(self):
@@ -147,7 +150,7 @@ class PublishSnapshot4Test(BaseTest):
     fixtureCmds = [
         "aptly snapshot create snap4 from mirror gnuplot-maverick",
     ]
-    runCmd = "aptly -architectures=i386 publish snapshot -distribution=squeeze snap4"
+    runCmd = "aptly -architectures=i386 publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec -distribution=squeeze snap4"
     gold_processor = BaseTest.expand_environ
 
     def check(self):
@@ -179,7 +182,7 @@ class PublishSnapshot5Test(BaseTest):
     fixtureCmds = [
         "aptly snapshot create snap5 from mirror gnuplot-maverick",
     ]
-    runCmd = "aptly publish snapshot -distribution=squeeze snap5 ppa/smira"
+    runCmd = "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec -distribution=squeeze snap5 ppa/smira"
 
     gold_processor = BaseTest.expand_environ
 
@@ -221,7 +224,7 @@ class PublishSnapshot7Test(BaseTest):
     fixturePool = True
     fixtureCmds = [
         "aptly snapshot create snap7 from mirror gnuplot-maverick",
-        "aptly publish snapshot snap7",
+        "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap7",
     ]
     runCmd = "aptly publish snapshot snap7"
     expectedCode = 1
@@ -235,7 +238,7 @@ class PublishSnapshot8Test(BaseTest):
     fixturePool = True
     fixtureCmds = [
         "aptly snapshot create snap8 from mirror gnuplot-maverick",
-        "aptly publish snapshot snap8 ./ppa",
+        "aptly publish snapshot -keyring=${files}/aptly.pub -secret-keyring=${files}/aptly.sec snap8 ./ppa",
     ]
     runCmd = "aptly publish snapshot snap8 ppa"
     expectedCode = 1