What Is Public Key Cryptography?
⚛️ Public key encryption is the workhorse of security online. I'll review just what it is and how it's used at a high level.
⚛️ Public key cryptography
Public key (or asymmetric) cryptography uses a pair of encryption keys. Data encrypted by one can only be decrypted by the other. This enables everything from identity verification to secure data transfer. Public key cryptography is the basis for security online.
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✅ Watch next ▶ What is a Passkey? ▶ • What is a Passkey?
Chapters
0:00 Public Key Cryptography
1:10 Symmetric Encryption
2:10 Asymmetric cryptography
3:40 Key pairs
4:30 Public and private
5:30 Secure data transfer
6:40 Identity verification
7:50 Putting the ‘s’ in https
12:00 Passkeys
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