diff --git a/en_US.ISO8859-1/books/handbook/pgpkeys/brueffer.key b/en_US.ISO8859-1/books/handbook/pgpkeys/brueffer.key
new file mode 100644
index 0000000000..0c5c832c93
--- /dev/null
+++ b/en_US.ISO8859-1/books/handbook/pgpkeys/brueffer.key
@@ -0,0 +1,77 @@
+
+
+
+ Key fingerprint = A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D
+uid Christian Brueffer
+uid Christian Brueffer
+sub 4096g/1DCC100F 2002-10-14
+]]>
+
diff --git a/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml b/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
index 38c2b0e9fd..ef32b1fb02 100644
--- a/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
@@ -96,6 +96,11 @@
&pgpkey.jmb;
+
+ &a.brueffer;
+ &pgpkey.brueffer;
+
+
&a.wilko;
&pgpkey.wilko;