ALERT

[FREE DEMO] Deploy Your Enterprise Cloud in Minutes

Perfect Forward Secrecy (PFS)

Definition - What does Perfect Forward Secrecy (PFS) mean?

Perfect Forward Secrecy (PFS) is a data encoding property that ensures the integrity of a session key in the event that a long-term key is compromised. PFS accomplishes this by enforcing the derivation of a new key for each and every session.

Techopedia explains Perfect Forward Secrecy (PFS)

PFS works on a very simple concept to ensure the safety of session keys from future exploitation by hackers. Encoded messages are encrypted using sophisticated mathematical formulas, where decryption would require massive processing, making building practically impossible with the current computing architecture. However, a hacker theoretically could save an encrypted message with the intention of decrypting it in the future, perhaps when greater computing power is available. PFS is designed to eliminate this threat by periodically creating new keys. So, even if a hacker exploits a private key in the future, he is unable to decrypt previously transmitted messages.

Techopedia Deals

Connect with us

Techopedia on Linkedin
Techopedia on Linkedin
Tweat cdn.techopedia.com
"Techopedia" on Twitter


'@Techopedia'
Sign up for Techopedia's Free Newsletter!

Email Newsletter

Join thousands of others with our weekly newsletter

Resources
The 4th Era of IT Infrastructure: Superconverged Systems
The 4th Era of IT Infrastructure: Superconverged Systems:
Learn the benefits and limitations of the 3 generations of IT infrastructure – siloed, converged and hyperconverged – and discover how the 4th...
Approaches and Benefits of Network Virtualization
Approaches and Benefits of Network Virtualization:
Businesses today aspire to achieve a software-defined datacenter (SDDC) to enhance business agility and reduce operational complexity. However, the...
Free E-Book: Public Cloud Guide
Free E-Book: Public Cloud Guide:
This white paper is for leaders of Operations, Engineering, or Infrastructure teams who are creating or executing an IT roadmap.
Free Tool: Virtual Health Monitor
Free Tool: Virtual Health Monitor:
Virtual Health Monitor is a free virtualization monitoring and reporting tool for VMware, Hyper-V, RHEV, and XenServer environments.
Free 30 Day Trial – Turbonomic
Free 30 Day Trial – Turbonomic:
Turbonomic delivers an autonomic platform where virtual and cloud environments self-manage in real-time to assure application performance.