calofmijuck/blog
1
0
Fork 0
mirror of https://github.com/calofmijuck/blog.git synced 2025-12-06 14:53:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

[PUBLISHER] upload files #92

Browse Source 
* PUSH NOTE : 03. Symmetric Key Cryptography (2).md

* PUSH ATTACHMENT : is-03-ecb-encryption.png

* PUSH ATTACHMENT : is-03-cbc-encryption.png

* PUSH ATTACHMENT : is-03-cfb-encryption.png

* PUSH ATTACHMENT : is-03-ofb-encryption.png

* PUSH ATTACHMENT : is-03-ctr-encryption.png
This commit is contained in:
Sungchan Yi
2023-09-24 17:45:30 +09:00
committed by GitHub
parent a4d6cf1905
commit 94a2dbb97e
2 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
_posts/Lecture Notes/Internet Security/2023-09-18-symmetric-key-cryptography-2.md
View File

@@ -175,7 +175,7 @@ AES, DES use fixed block size for encryption. How do we encrypt longer messages?
### Electronic Codebook Mode (ECB)
![is-03-cbc-encryption.png](../../../assets/img/posts/Lecture%20Notes/Internet%20Security/is-03-cbc-encryption.png)
![is-03-ecb-encryption.png](../../../assets/img/posts/Lecture%20Notes/Internet%20Security/is-03-ecb-encryption.png)
- Codebook is a mapping table.
- For the $i$-th plaintext block, we use key $k$ to encrypt and obtain the $i$-th ciphertext block.