update

crypto.bib

@@ -24,4 +24,24 @@
   year = "2025",
   url = "https://en.wikipedia.org/w/index.php?title=Confusion_and_diffusion&oldid=1307746165",
   note = "[Online; accessed 3-February-2026]"
-}
+}
+@ARTICLE{diffiehellman,
+  author={Diffie, W. and Hellman, M.},
+  journal={IEEE Transactions on Information Theory},
+  title={New directions in cryptography},
+  year={1976},
+  volume={22},
+  number={6},
+  pages={644-654},
+  keywords={Cryptography;Receivers;Authentication;Eavesdropping;Costs;Business;Public key cryptography},
+  doi={10.1109/TIT.1976.1055638}}
+@article{rsa,
+  title={A method for obtaining digital signatures and public-key cryptosystems},
+  author={Rivest, Ronald L and Shamir, Adi and Adleman, Leonard},
+  journal={Communications of the ACM},
+  volume={21},
+  number={2},
+  pages={120--126},
+  year={1978},
+  publisher={ACM New York, NY, USA}
+}