+# if file is specified
+if [ -f "$keyID" -o "$keyID" = '-' ] ; then
+ # load the key from stdin
+ if [ "$keyID" = '-' ] ; then
+ # make a temporary file to hold the key from stdin
+ keyID=$(msmktempfile)
+ trap "rm -f $keyID" EXIT
+ log verbose "reading key from stdin..."
+ cat > "$keyID"
+
+ # load the key from the file
+ elif [ -f "$keyID" ] ; then
+ log verbose "reading key from file '$keyID'..."
+ fi
+
+ # check the key is ok as monkeysphere user before loading
+ log debug "checking keys in file..."
+ fingerprint=$(su_monkeysphere_user \
+ ". ${SYSSHAREDIR}/common; list_primary_fingerprints" < "$keyID")
+
+ if [ $(printf "%s" "$fingerprint" | egrep -c '^[A-F0-9]{40}$') -ne 1 ] ; then
+ failure "There was not exactly one gpg key in the file."
+ fi
+
+ # load the key
+ gpg_sphere "--import" <"$keyID" 2>/dev/null \
+ || failure "could not read key from '$keyID'"
+
+# else, get the key from the keyserver
+else
+ log verbose "searching keyserver $KEYSERVER for keyID $keyID..."
+ gpg_sphere "--keyserver $KEYSERVER --recv-key '0x${keyID}!'" \
+ || failure "Could not receive a key with this ID from the '$KEYSERVER' keyserver."
+
+ # get the full fingerprint of new certifier key
+ log debug "getting fingerprint of certifier key..."
+ fingerprint=$(gpg_sphere "--list-key --with-colons --with-fingerprint 0x${keyID}!" \
+ | grep '^fpr:' | cut -d: -f10)
+
+ # test that there is only a single fingerprint
+ if (( $(echo "$fingerprint" | wc -l) != 1 )) ; then
+ cat <<EOF
+More than one fingerprint found:
+$fingerprint
+Please use a more specific key ID.
+EOF
+ failure
+ fi
+
+ log info "key found:"
+ gpg_sphere "--fingerprint 0x${fingerprint}!"
+
+ if [ "$PROMPT" = "true" ] ; then
+ echo "Are you sure you want to add the above key as a certifier"
+ read -p "of users on this system? (Y/n) " OK; OK=${OK:-Y}
+ if [ "${OK/y/Y}" != 'Y' ] ; then
+ failure "Identity certifier not added."
+ fi
+ else
+ log debug "adding key without prompting."
+ fi
+fi
+
+# export the key to the core keyring so that the core can sign the
+# new certifier key
+log debug "loading key into core keyring..."
+gpg_sphere "--export 0x${fingerprint}!" | gpg_core --import
+
+# edit-key script to ltsign key