Index: Doc/library/hashlib.rst
===================================================================
--- Doc/library/hashlib.rst	(révision 76622)
+++ Doc/library/hashlib.rst	(copie de travail)
@@ -82,6 +82,13 @@
    >>> h.hexdigest()
    'cc4a5ce1b3df48aec5d22d1f16b894a0b894eccc'
 
+This module provides the following constant attribute:
+
+.. data:: hashlib.algorithms
+
+   A tuple providing the names of the hash algorithms guaranteed to be supported
+   by this module.
+
 The following values are provided as constant attributes of the hash objects
 returned by the constructors:
 
Index: Lib/hashlib.py
===================================================================
--- Lib/hashlib.py	(révision 76622)
+++ Lib/hashlib.py	(copie de travail)
@@ -57,9 +57,11 @@
 # always available algorithm is added.
 __always_supported = ('md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512')
 
-__all__ = __always_supported + ('new',)
+algorithms = __always_supported
 
+__all__ = __always_supported + ('new', 'algorithms')
 
+
 def __get_builtin_constructor(name):
     if name in ('SHA1', 'sha1'):
         import _sha1
Index: Lib/test/test_hashlib.py
===================================================================
--- Lib/test/test_hashlib.py	(révision 76622)
+++ Lib/test/test_hashlib.py	(copie de travail)
@@ -30,6 +30,11 @@
                              'sha224', 'SHA224', 'sha256', 'SHA256',
                              'sha384', 'SHA384', 'sha512', 'SHA512' )
 
+    def test_algorithms_attribute(self):
+            self.assertEqual(hashlib.algorithms,
+                tuple([_algo for _algo in self.supported_hash_names if
+                                                    _algo.islower()]))
+
     def test_unknown_hash(self):
         try:
             hashlib.new('spam spam spam spam spam')