diff --git a/strongswan.changes b/strongswan.changes
index a89293a..3e47414 100644
--- a/strongswan.changes
+++ b/strongswan.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Nov 29 19:13:40 CET 2012 - sbrabec@suse.cz
+
+- Verify GPG signature.
+
 -------------------------------------------------------------------
 Fri Nov 16 04:02:32 UTC 2012 - crrodriguez@opensuse.org
 
diff --git a/strongswan.keyring b/strongswan.keyring
new file mode 100644
index 0000000..a71b817
--- /dev/null
+++ b/strongswan.keyring
@@ -0,0 +1,53 @@
+pub   3072R/B34DBA77 2009-06-12
+uid                  Andreas Steffen <andreas.steffen@strongswan.org>
+sub   3072g/0E10E91A 2009-08-20
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v2.0.19 (GNU/Linux)
+
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+=ze82
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/strongswan.spec b/strongswan.spec
index fb52960..713f4f2 100644
--- a/strongswan.spec
+++ b/strongswan.spec
@@ -57,6 +57,7 @@ Source1:        http://download.strongswan.org/strongswan-%{upstream_version}.ta
 Source2:        %{name}.init.in
 Source3:        %{name}-%{version}-rpmlintrc
 Source4:        README.SUSE
+Source5:        %{name}.keyring
 Patch1:         %{name}_modprobe_syslog.patch
 Patch2:         %{name}_ipsec_service.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -65,6 +66,7 @@ BuildRequires:  curl-devel
 BuildRequires:  flex
 BuildRequires:  gmp-devel
 BuildRequires:  gperf
+BuildRequires:  gpg-offline
 BuildRequires:  libcap-devel
 BuildRequires:  libopenssl-devel
 BuildRequires:  libsoup-devel
@@ -233,6 +235,7 @@ and the load testing plugin for IKEv2 daemon.
 %endif
 
 %prep
+%gpg_verify %{S:1}
 %setup -q -n %{name}-%{upstream_version}
 %patch1 -p0
 %patch2 -p0