diff --git a/year4/semester2/CT437/materials/ct437_07 - Key Distribution.pdf b/year4/semester2/CT437/materials/ct437_07 - Key Distribution.pdf new file mode 100644 index 00000000..5d9dcd13 Binary files /dev/null and b/year4/semester2/CT437/materials/ct437_07 - Key Distribution.pdf differ