diff --git a/year4/semester2/CT437/materials/prog b/year4/semester2/CT437/materials/prog
index 36559859..27409fca 100644
--- a/year4/semester2/CT437/materials/prog
+++ b/year4/semester2/CT437/materials/prog
@@ -5,8 +5,8 @@
 05 - [X] ct437_03 - Block Ciphers.pdf
 
 06 - [X] ct437_04 - Stream Ciphers.pdf
-07 - [ ] ct437_05 - Hash Functions and MACs.pdf
-08 - [ ] ct437_06 - Hash Cracking and Rainbow Tables.pdf
+07 - [X] ct437_05 - Hash Functions and MACs.pdf
+08 - [X] ct437_06 - Hash Cracking and Rainbow Tables.pdf
 09 - [ ] ct437_06 - Public Key Cryptography.pdf
 10 - [ ] ct437_07 - Key Distribution.pdf