Encryption & Cryptography Basics | TryHackMe

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In this video walk-through, we covered basics of Encyption and Cryptography by answering the questions in TryHackMe Encryption - Crypto 101 under complete beginner pathway.
#cryptography
#encryption
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Writeup
https://motasem-notes.net/encyption-and-cryptography-101-tryhackme-encryption-crypto-101/
TryHackMe Encryption | Crypto 101
https://tryhackme.com/room/encryptioncrypto101
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0:00 - Introduction to Encryption 101
0:11 - Key Terms in Cryptography
0:36 - Task 2: SSH Key Protection - Passphrase vs. Password
0:48 - Importance of Encryption
1:02 - How Web Servers Prove Their Identity with Certificates
1:17 - Compliance Standards for Payment Data - PCI DSS
1:53 - Introduction to Mathematical Foundations in Cryptography
2:40 - Task 4: Understanding Modulus Operations
3:45 - Using Python for Modulus Calculations
4:21 - Types of Encryption: DES and Triple DES
5:06 - Public Key Sharing in Asymmetric Encryption
5:51 - RSA Algorithm and Calculating Key Variables
6:46 - Example: Calculating N in RSA with Python
7:10 - Establishing Keys Using Asymmetric Cryptography
7:26 - Identifying Certificate Issuers (Cloudflare Example)
7:41 - Task 7: SSH Authentication and Cracking Passphrases
8:13 - Extracting and Cracking SSH Key Passphrase with John
8:53 - Identifying Encryption Algorithms in SSH
9:00 - Diffie-Hellman Key Exchange Overview
9:12 - PGP/GPG Encryption and Decryption
9:24 - Using GPG to Decrypt Files with Private Keys
10:13 - Importing Private Key and Decrypting Encrypted Message
10:45 - Retrieving Secret Word from Decrypted File
10:53 - Summary and Room Completion
11:01 - Upcoming TryHackMe Challenges