Pertemuan 7 - Encryption

1. Network Security – Pertemuan 7
charismapribadi

2. Encryption atau enkripsi? Asal mulanya?

3.  Hashing, Hash Function dan Cryptographic Hash Function?

4.  Enkripsi Konvensional (Symmetric Encryption)

5.  Caesar cipher (Shift Cipher)
 Simple Substitution Cipher
 Route Cipher

6. Contoh soal
 Pesan: Aku disini sendiri
 Char sequence:
aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ0123456789
`~!
 Langkah: 3 kanan

7. Contoh soal
Plaintext: kamu disana dengan dia
Keyword: sedih

8. Contoh soal
 Pesan: tetap tersenyum meski hati terluka

10.  http://www.elitetechsinc.com/wp-content/uploads/2010/06/Data-Encryption.png
 http://www.iri.com/blog/wp-content/uploads/2013/02/Hashing-Image.jpg
 http://1.bp.blogspot.com/-
bRcr6TtkMF4/UFAGEGlVvgI/AAAAAAAAAJE/7dEnegMl6C4/s1600/encryption+and+
decryption.JPG
 https://lh4.ggpht.com/Ikd8eXRbOL_Eg4ugI04NG7V2Qlx34NQf0n0YG-EwSP3UkvsjAObHxW6gb8_
aXUo3HYU=w300
 http://upload.wikimedia.org/wikipedia/commons/thumb/3/33/ROT13_table_with_exam
ple.svg/320px-ROT13_table_with_example.svg.png
 http://4.bp.blogspot.com/_NZXNrNnQEZ4/S7FcQiAu00I/AAAAAAAAACw/CRAUTWfR
fKM/s1600/Picture1.png
 http://williamstallings.com/Extras/Security-Notes/lectures/figs/classical13.gif