diff --git a/.gitignore b/.gitignore
index 9b36909..cde9368 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,4 @@ libtasn1-2.7.tar.gz
 /libtasn1-4.7.tar.gz.sig
 /libtasn1-4.8.tar.gz.sig
 /libtasn1-4.8.tar.gz
+/gpgkey-1F42418905D8206AA754CCDC29EE58B996865171.gpg
diff --git a/libtasn1.spec b/libtasn1.spec
index 37971fb..f5f9d0c 100644
--- a/libtasn1.spec
+++ b/libtasn1.spec
@@ -9,6 +9,7 @@ Group:		System Environment/Libraries
 URL:		http://www.gnu.org/software/libtasn1/
 Source0:	http://ftp.gnu.org/gnu/libtasn1/%name-%version.tar.gz
 Source1:	http://ftp.gnu.org/gnu/libtasn1/%name-%version.tar.gz.sig
+Source2:	gpgkey-1F42418905D8206AA754CCDC29EE58B996865171.gpg
 Patch1:		libtasn1-3.4-rpath.patch
 BuildRequires:	bison, pkgconfig
 %ifarch %ix86 x86_64 ppc ppc64
@@ -49,6 +50,7 @@ data.
 
 
 %prep
+gpgv2 --keyring %{SOURCE2} %{SOURCE1} %{SOURCE0}
 %setup -q
 
 %patch1 -p1 -b .rpath
diff --git a/sources b/sources
index 3e0d497..bbe803e 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,3 @@
 140c4dfb1bf77d08fc16d5da9f7b732c  libtasn1-4.8.tar.gz.sig
 9a6767705725544f2b86670dcfb34107  libtasn1-4.8.tar.gz
+310168e221d6e810022b270e32bf9662  gpgkey-1F42418905D8206AA754CCDC29EE58B996865171.gpg