Changeset 1069

Timestamp:

07/06/11 16:37:33 (11 months ago)

Author:

paul

Message:

• Made des_key_check_weak() conform to other functions in return values.
• Added documentation for des_key_check_weak() and des_key_check_key_parity()

Location:

trunk

Files:

• include/polarssl/des.h (modified) (1 diff)
• library/des.c (modified) (1 diff)

trunk/include/polarssl/des.h

@@ -78 +78 @@
  *
  * \param key      8-byte secret key
+ *
+ * \return         0 is parity was ok, 1 if parity was not correct.
  */
 int des_key_check_key_parity( const unsigned char key[DES_KEY_SIZE] );
 
-
 /**
  * \brief          Check that key is not a weak or semi-weak DES key
  *
  * \param key      8-byte secret key
+ *
+ * \resurn         0 if no weak key was found, 1 if a weak key was identified.
  */
 int des_key_check_weak( const unsigned char key[DES_KEY_SIZE] );

trunk/library/des.c

@@ -372 +372 @@
     for( i = 0; i < WEAK_KEY_COUNT; i++ )
         if( memcmp( weak_key_table[i], key, DES_KEY_SIZE) == 0)
-            return( 0 );
-
-    return( 1 );
+            return( 1 );
+
+    return( 0 );
 }