Understanding Security Goals in Info Security 🔒

My aim- To make you all understand the concepts in an easiest way.
In this video you will learn about the three security goals.
1.Security goals
https://youtu.be/b7kT0L9Nbpc
2.security attacks
https://youtu.be/FcuH4zuI-dg
3.passive attack types
https://youtu.be/EDBei7yey34
4.Basic terms in information security
https://youtu.be/q9YLc55XBMs
5.Caesar cipher
https://youtu.be/KaWUYvN9bL8
6.Affine cipher
https://youtu.be/MSdk7C6V5ec
7.playfair cipher
https://youtu.be/OMkEhDaLvM4
8.Multiplicative inverse
https://youtu.be/C1mJ9xEW7c0
9.multiplicative cipher encryption
https://youtu.be/B92Ft1XuKGc
10.multiplicative cipher decryption
https://youtu.be/E5fNrpnjGh4
11.Autokey cipher
https://youtu.be/S135M6QWtC0
12.Hill cipher
https://youtu.be/JfzG9qpzYB4
13. Vernam cipher
https://youtu.be/Y8m_gzdb3RY
14. Vigenere cipher
https://youtu.be/L7VqXrvRNyg
15.Raifence cipher
https://youtu.be/WRxkYMTX3rQ
16. Railfence cipher when depth not given
https://youtu.be/aAKsaNH_mdQ
17.Columnar cipher
https://youtu.be/IWeXjzxGkaE
18.Gcd of alphabets
https://youtu.be/L89djAvStlg
19.Euclidean algorithm
https://youtu.be/q4bGdsVjmC8
20.Extended Euclidean algorithm
https://youtu.be/Di1AfdZjVKE
21.Euler's Totient function
https://youtu.be/eBcGNGqVVQU
22.Fermat's Theorem
https://youtu.be/VXWX335NCR4
23.Euler's Theorem
https://youtu.be/lO3AkmmyTnY
24 .Chinese Remainder Theorem
https://youtu.be/bWb4KTLFa1c
25)Diffie Hellman Key Exchange Cryptosystem
https://youtu.be/vgDyT8WKGRQ
26) Simplified DES(Data Encryption standard)
https://youtu.be/v8G4UllT9dc
27)RSA algorithm
https://youtu.be/Om-dqEt3kTg
28) Elgamal Digital Signature Scheme
https://youtu.be/2L9kDYqNBZ0