https://ro.wikipedia.org/wiki/Criptare
https://ro.wikipedia.org/wiki/Criptografie
https://www.ssldragon.com/ro/blog/encryption-types-algorithms/
https://pclaptop.ro/despre-criptarea-asimetrica/
https://pcom.pages.upb.ro/labs/lab11/crypto/symmetric.html
https://www.ssldragon.com/ro/blog/ce-este-o-functie-hash/
