As we know, hash function/algorithm is used to generate digest/checksum of data. Hash function is not reversible. However, it can be hacked, and it is easy.

In this video, I will use some websites to crack hashed passwords manually. You can see how easy to hack hashed passwords if hackers use powerful computer or clusters of computers to hack our passwords. They would crack millions every second.

Do not assume your passwords are safe as long as they are hashed into nonreversible digests.


Playlist: Basic Cryptography
   • Private Key Encryption (Symmetric Key...  

Advanced Cryptography:
   • What is digital signature?  



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Sunny Classroom