add some comments

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@12925 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/lib/crypto/des/t_afss2k.c b/src/lib/crypto/des/t_afss2k.c
index 23546c75fd4343880355c09175f4ccb1c9f2f385..8c967f996e47b6ca7e145d94b6c94a58f2c98e12 100644 (file)
--- a/src/lib/crypto/des/t_afss2k.c
+++ b/src/lib/crypto/des/t_afss2k.c
@@ -63,6 +63,11 @@ do_it (struct test_case *tcase)
        else
                salt.length = tcase->saltlen;
 
+       /*
+        * Try passwords with lengths equal to, greater than, and less
+        * than 8 characters, since the AFS s2k algorithm does
+        * interesting stuff depending on the length.
+        */
        passwd.data = "My Password";
        for (i = 0; i < 12; i++) {
                passwd.length = i;