1 files changed, 8 insertions, 16 deletions
diff --git a/cipher.sts b/cipher.sts
index 72d941e..d351397 100644
--- a/cipher.sts
+++ b/cipher.sts
@@ -1,18 +1,10 @@
-; cipher is password string (pointer to start and length) and position in it
-
-defword ciphernew
-    0
-exit
-
-defword mod
-    swap / drop
-exit
-
-defword cipher ; ... passwd plen ppos key
-    3 get 2 get + @ xor      ; key = key ^ passwd[ppos]
-    over 1 + 3 get mod 2 set ; ppos = (ppos + 1) % plen
-exit
-
-defword cipherdel
+defword cipher
+    3 ref as byte
+    2 get as password
+    1 get as plen
+    0 get as pos
+    pos @ password + @ byte @ xor byte !
+    pos @ 1 + pos !
+    pos @ plen = if 0 pos ! fi
     drop drop drop
 exit