diff --git a/attributs.py b/attributs.py
index 8be7a3e..8293259 100644
--- a/attributs.py
+++ b/attributs.py
@@ -102,7 +102,9 @@ class Attr(object):
     def validate(self, ldif):
         """validates:
         vérifie déjà que ce qu'on a rentré est parsable"""
-        own_values = ldif[self.__class__.__name__]
+        if not self.__class__.__name__ in CRANS_ATTRIBUTES:
+            raise ValueError('Attribut %s inconnu' % self.__class__.__name__)
+        own_values = ldif.get(self.__class__.__name__, [])
         self._check_cardinality(own_values)
         self._check_uniqueness()
         self._check_users_restrictions(own_values)
@@ -647,6 +649,18 @@ class mail(Attr):
     # XXX - to be implemented
     #def parse_value(self, mail, ldif):
     # pass
+    
+class sshFingerprint(Attr):
+    singlevalue = False
+    optional = True
+    legend = "Clef ssh de la machine"
+    can_modify = ["parent", "Nounou"]
+    
+class gpgFingerprint(Attr):
+    singlevalue = False
+    optional = True
+    legend = "Clef gpg d'un adhérent"
+    can_modify = ["self", "Nounou"]
 
 class cn(Attr):
     singlevalue = True
@@ -699,8 +713,10 @@ CRANS_ATTRIBUTES= {
     'chbre' : chbre,
     'droits' : droits,
     'solde' : solde,
+    'gpgFingerprint' : gpgFingerprint,
     'mid' : mid,
     'host' : host,
+    'sshFingerprint' : sshFingerprint,
     'macAddress': macAddress,
     'ipHostNumber': ipHostNumber,
     'hostAlias' : hostAlias,
diff --git a/filter.py b/filter.py
index 8b0171f..42b1a35 100644
--- a/filter.py
+++ b/filter.py
@@ -232,6 +232,8 @@ def human_to_ldap(filtre):
         # Comme parenthèse fermante.
         if neg:
             argument = "!(%s)" % argument
+
+        # Surtout ça
         if operateur == "&|":
             argument += ')'
         ext_stack += "(%s)" % argument
diff --git a/lc_ldap.py b/lc_ldap.py
index 8d8a241..21c2fc4 100644
--- a/lc_ldap.py
+++ b/lc_ldap.py
@@ -10,6 +10,7 @@
 #          Valentin Samir <samir@crans.org>
 #          Daniel Stan <dstan@crans.org>
 #          Vincent Le Gallic <legallic@crans.org>
+#          Pierre-Elliott Bécue <becue@crans.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
@@ -627,7 +628,7 @@ class machine(CransLdapObject):
     ufields = ['mid', 'macAddress', 'host', 'midType']
     ofields = []
     mfields = ['info', 'blacklist', 'hostAlias', 'exempt',
-               'portTCPout', 'portTCPin', 'portUDPout', 'portUDPin']
+               'portTCPout', 'portTCPin', 'portUDPout', 'portUDPin','sshFingerprint']
     xfields = ['ipHostNumber']
 
     def __init__(self, conn, dn, mode='ro', ldif = None):
@@ -662,7 +663,7 @@ class adherent(proprio):
     ofields = proprio.ofields + ['charteMA',
                                  'canonicalAlias', 'solde', 'contourneGreylist',
                                  'rewriteMailHeaders', 'derniereConnexion',
-                                 'homepageAlias']
+                                 'homepageAlias','gpgFingerprint']
     mfields = proprio.mfields + ['carteEtudiant', 'mailAlias', 'droits' ]
     xfields = ['etudes', 'postalAddress']