[ssh_key] better quickly delete private temp key

client.py

@@ -716,20 +716,18 @@ def show_file(options):
             key_file.write(texte.encode('utf-8'))
             key_file.flush()
             pub = subprocess.check_output(['ssh-keygen', '-y', '-f', key_file.name])
-
             # Charge en mémoire
             subprocess.check_call(['ssh-add', key_file.name])
 
-            # On attend
-            print(shown.encode('utf-8'))
-            raw_input()
+        # On attend (hors tmpfile)
+        print(shown.encode('utf-8'))
+        raw_input()
+        with tempfile.NamedTemporaryFile(suffix='') as pub_file:
+            # On met la clé publique en fichier pour suppression
+            pub_file.write(pub)
+            pub_file.flush()
 
-            # On met la clé publique en fichier puis on supprime
-            key_file.seek(0)
-            key_file.write(pub)
-            key_file.flush()
-            
-            subprocess.check_call(['ssh-add', '-d', key_file.name])
+            subprocess.check_call(['ssh-add', '-d', pub_file.name])
     else:
         # Le binaire à utiliser
         showbin = "cat" if is_hidden else "less"