diff --git a/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml b/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
index 87d5ca59c0..e963d854c6 100644
--- a/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
@@ -319,6 +319,11 @@
&pgpkey.cshumway;
+
+ &a.demon;
+ &pgpkey.demon;
+
+
&a.jesper;
&pgpkey.jesper;
diff --git a/en_US.ISO8859-1/books/handbook/pgpkeys/demon.key b/en_US.ISO8859-1/books/handbook/pgpkeys/demon.key
new file mode 100644
index 0000000000..1aa08d2380
--- /dev/null
+++ b/en_US.ISO8859-1/books/handbook/pgpkeys/demon.key
@@ -0,0 +1,40 @@
+
+
+
+ Key fingerprint = 6809 8708 F891 6832 3DFD 977E EAD7 4F56 1F0F 64F2
+uid Dmitry S. Sivachenko
+sub 1024g/ABCC824B 2002-01-23
+]]>
+
diff --git a/en_US.ISO8859-1/books/handbook/pgpkeys/pgpkeys.ent b/en_US.ISO8859-1/books/handbook/pgpkeys/pgpkeys.ent
index 43b27bc427..d7a197576f 100644
--- a/en_US.ISO8859-1/books/handbook/pgpkeys/pgpkeys.ent
+++ b/en_US.ISO8859-1/books/handbook/pgpkeys/pgpkeys.ent
@@ -15,6 +15,7 @@
+