what is cryptography | Encryption algorithms | Ethical hacking Persian language | درس دوم حک قانونی

• What is cryptography? • Type of cryptography • Transposition and substitution cipher • Stream cypher and block cypher • What is cryptanalysis? • What is cryptology? • Encryption Algorithms • Hacking Activity: Hack Now! Welcome to IT expert team . This youTube channel will be useful for student ,employee ,IT employee ,computer users , teacher , student who have plan for online certification bellow is this three main section , we are working for ( #Linux - #centos - #redhad , #windows_server 2012 -2016 , #cisco - #ccna #ccnp , #networksecuiry ) if you have any kind of problem kindly mention in commend within 24 hours it's solution videos will be uploaded