https://drive.google.com/drive/folders/1yjBPfMm_lK6tKvgz9095hi3tcTOYL_Qx

https://chatgpt.com/c/6ab60f5e-7eb4-83ea-8ffd-580b8c1ef3bf

https://notebook.google.com/notebook/b0c2717c-db33-48c2-8689-22f1d511a641

lec 1 - ch 1 - a simple intro but good

lec 2 - ch 3 - some crypto stuff

lec 3 - ch 2 - number theory

lec 3 - ch 5 - finite fields

lec 4 - ch 4 - Block Cipher, Diffusion, Confusion

lec 4 - ch 4 cont. - DES

lec 5 - ch 6 - AES

tut assignment - double stage columnar