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SSL - or TLS-encryption: What's the difference?

  • Oct 24, 2025
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The differences between SSL and TLS encryption are not large, because TLS is the successor of SSL. You need to decide, for example, when Setting up an E-Mail program for one of the methods, instead rely on TLS, because it is safer. Which is why, you will learn in this practical tip.

SSL and TLS-encryption in the comparison

SSL is an "obsolete" Standard, and is continued under the name TLS. The last SSL Version 3.0, which is why you will encounter TLS 1.0 is sometimes referred to as SSL 3.1 in the Internet. TLS has, in contrast to the last SSL Version of these functions:
  • Pseudo random function: your data are more difficult to intercept.
  • Key Exchange: TLS is used as the Key Exchange, the Digital Signature Standard and the Diffie-Hellmann algorithm. Uses SSL to Fortezza-based Algorithms. The Algorithms, the TLS, are decrypt for the attacker is heavier and therefore safer.
  • Shared protocols: the Case of TLS, the protocols are divided into Record ,Handshake, Change Cipher Spec, and Alert Protocol. Since an attacker would need all the logs, it is harder for the individual parts to intercept and re-assemble. A higher safety is ensured.
  • Master Secret: Other and more complex bases of calculation as in the case of SSL, which makes your data harder and decrypted and monitored.
As data prior to Sending on your PC protect, you can learn here.

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