diff --git a/FSCS630_Cryptography/labs/Hashbased_Message_Authentication_Code/HMAC_lab_Manual.pptx b/FSCS630_Cryptography/labs/Hashbased_Message_Authentication_Code/HMAC_lab_Manual.pptx new file mode 100644 index 0000000..dfc23b4 Binary files /dev/null and b/FSCS630_Cryptography/labs/Hashbased_Message_Authentication_Code/HMAC_lab_Manual.pptx differ