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SSL Certificates

SSL Certificates, or Secure Sockets Layer certificates, are fundamental components in securing data transmission over the internet. Here's an in-depth look:

What is an SSL Certificate?

An SSL certificate is a digital certificate that authenticates a website's identity and enables an encrypted connection. This encryption ensures that any data transferred between users and the site, like login credentials or credit card numbers, remains private and unmodified by third parties.

History

How SSL Certificates Work

SSL certificates work through the following steps:

  1. Handshake: When a user attempts to access a secure site, the server sends its SSL certificate to the user's browser.
  2. Verification: The browser checks the validity of the certificate by ensuring it's issued by a trusted Certificate Authority, matches the domain, and hasn't expired or been revoked.
  3. Key Exchange: If the certificate is valid, the browser and server agree on encryption algorithms and exchange keys.
  4. Secure Connection: Data is now encrypted before being sent and decrypted upon receipt, ensuring privacy and integrity.

Types of SSL Certificates

Importance of SSL Certificates

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