diff --git a/patches.tar.bz2 b/patches.tar.bz2
index 8f81f3c..9d25948 100644
--- a/patches.tar.bz2
+++ b/patches.tar.bz2
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f7f63f8b7ba2cc240d4e4a38b82d20f5a48dfea5c4ec8bb6265cc4e34929b8af
-size 25569
+oid sha256:2cf4977c0614d2c7a4f97d840e54bf91e2a9dc386dac667b63c5c6f1b0637ae3
+size 25644
diff --git a/samba.changes b/samba.changes
index bfaee1b..0ada73e 100644
--- a/samba.changes
+++ b/samba.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Oct  9 15:30:31 UTC 2013 - lmuelle@suse.com
+
+- Verify source tar ball gpg signature.
+
 -------------------------------------------------------------------
 Fri Sep 27 12:30:24 UTC 2013 - lmuelle@suse.com
 
diff --git a/samba.spec b/samba.spec
index d6a0067..aeae2c5 100644
--- a/samba.spec
+++ b/samba.spec
@@ -105,12 +105,17 @@ BuildRequires:  libxslt1
 %if 0%{?suse_version} > 1210
 BuildRequires:  libxslt-tools
 %endif
+%if %suse_version > 1220
+BuildRequires:  gpg-offline
+%endif
 %define	samba_ver 4.1.0
 %define	samba_ver_suffix rc4
 %if "%{samba_ver_suffix}" == ""
 %define samba_source_location http://ftp.samba.org/pub/samba/stable/samba-%{version}.tar.gz
+%define samba_source_signature_location http://ftp.samba.org/pub/samba/stable/samba-%{version}.tar.asc
 %else
 %define samba_source_location http://ftp.samba.org/pub/samba/rc/samba-%{version}%{samba_ver_suffix}.tar.gz
+%define samba_source_signature_location http://ftp.samba.org/pub/samba/rc/samba-%{version}%{samba_ver_suffix}.tar.asc
 %endif
 %define	samba_ver_full %{samba_ver}%{samba_ver_suffix}
 %if 0%{?suse_version} && 0%{?suse_version} < 1111
@@ -130,7 +135,7 @@ BuildRequires:  libxslt-tools
 %else
 %define	build_make_smp_mflags %{?jobs:-j%jobs}
 %endif
-%define SOURCE_TIMESTAMP 3083
+%define SOURCE_TIMESTAMP 3085
 %define BRANCH %{version}
 %global with_mitkrb5 1
 %global with_dc 0
@@ -152,6 +157,8 @@ Recommends:     logrotate
 %endif
 Summary:        A SMB/CIFS File, Print, and Authentication Server
 Source:         %{samba_source_location}
+Source5:        %{samba_source_signature_location}
+Source6:        http://www.samba.org/samba/ftp/samba-pubkey.asc
 Source1:        vendor-files.tar.bz2
 Source2:        patches.tar.bz2
 Source4:        baselibs.conf
@@ -1119,6 +1126,11 @@ Branch:         %{BRANCH}
 
 
 %prep
+%if %suse_version > 1220
+gzip -dc %{SOURCE0} >${RPM_SOURCE_DIR}/%{name}-%{samba_ver_full}.tar
+%{?gpg_verify: %gpg_verify --keyring %{SOURCE6} %{SOURCE5}}
+rm ${RPM_SOURCE_DIR}/%{name}-%{samba_ver_full}.tar
+%endif
 %setup -n samba-%{samba_ver_full} -q
 # patches
 %setup -T -D -a 2 -n samba-%{samba_ver_full} -q
diff --git a/vendor-files.tar.bz2 b/vendor-files.tar.bz2
index e1021b1..46d2304 100644
--- a/vendor-files.tar.bz2
+++ b/vendor-files.tar.bz2
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7584271f3efa9f30d2c036ba0d3460bdccd225a78f39608e639ca24e807ce23f
-size 53821
+oid sha256:d443cefde1dc5f86ac9deadebf81fd051a5348d64196fcf1d59424b1d9ec4647
+size 54121