One-Time Pads – CompTIA Security+ SY0-401: 6.2
Encrypting with a one-time pad is a very strong encryption technique. In this video, I’ll demonstrate how you can use a one-time pad to encrypt your data.
Asymmetric Cryptography Algorithms – CompTIA Security+ SY0-401: 6.2
Asymmetric cryptography has enabled secure communication, digital signatures, and much more. In this video, you’ll learn about the well-known asymmetric algorithms of RSA and Diffie-Hellman.
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Symmetric Encryption Ciphers – CompTIA Security+ SY0-401: 6.2
The speed of symmetric encryption makes it a good choice for our high-speed networks. In this video, you’ll learn about RC4, DES, 3DES, AES, Blowfish, and Twofish.
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Cryptographic Hash Functions – CompTIA Security+ SY0-401: 6.2
There are many hash functions for many different circumstances. In this video, you’ll learn about MD5, SHA, RIPEMD, and HMAC hash functions.
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WEP vs. WPA – CompTIA Security+ SY0-401: 6.2
802.11 networks rely on encryption to ensure the security of all wireless traffic. In this video, you’ll learn about WEP and WPA encryption and the dangers of using the wrong encryption on your wireless network.
Professor Messer’s CompTIA A+ Study Group – September 2014
This month, there’s more live Q&A and I answer your questions in the after-show. The A+ Study Group After-Show
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Perfect Forward Secrecy – CompTIA Security+ SY0-401: 6.1
When a web server uses a single private key to encrypt all communication, then all communication can potentially be decrypted afterwards with this single bit of data. In this video, you’ll learn how perfect forward secrecy can be used to create encryption keys dynamically for every encrypted session.
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Elliptic Curve and Quantum Cryptography – CompTIA Security+ SY0-401: 6.1
The creation and use of cryptography has also included new ways to keep our data private. In this video, you’ll learn about the use of elliptic curves to create encryption keys and how quantum cryptography can be used for spy-proof secure channels.
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Steganography – CompTIA Security+ SY0-401: 6.1
When sending encrypted data, is usually very clear that the information transfer has been obfuscated. In this video, you’ll learn how steganography can be used to send information through covert, and sometimes unexpected, channels.