Event Agenda

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2021

Next event: 27th of May 2021

Speaker: Johan LOOS

Topic: TLS private key recovery

Book your seat at: https://ffwd2.me/ISC2Belux_20210527

About this Event

RSA is one of the most commonly used algorithm for providing confidentiality, integrity and authenticity of digital information. RSA is used to secure web traffic up to TLS 1.2. Today, web servers have a certificate which protects the traffic between a web server and a client browser. This certificate contains a public key of 1024 or 2048-bits. But what will happen when the key material of the certificate is not correctly generated? Are you still sure that traffic is protected and cannot be compromised?

Johan Loos will show you two different ways on how a RSA private key of a certificate can be ‘recovered’ when you only have access to the public key.

This session is based on Johan’s own research on RSA and focus on different types of RSA attacks. These attacks are demonstrated live using virtual machines. Johan wrote his own script in Python for the recovery of the cryptographic key material. This session is for people who wants to know more about RSA attacks, and how they can improve security.

About the speaker:

Johan is a freelance security researcher, security specialist, privacy and healthcare professional with interest in the area of IT security, information security, privacy, medical devices and cryptography. Johan is passionate about technology and evangelises security to organisations to take security seriously by implementing security and privacy by design principles.

Overview of the session

  • Overview on how the RSA algorithm works
  • Overview of the RSA attack used in this demo
  • How to recover a private key of a TLS v1.2 session and decrypt TLS v1.2 traffic

Just finished: 25th of March 2021

The presentation deck (in PDF) and the video recording have been published for the meeting participants and chapter members.

You can access the video at: https://1drv.ms/u/s!AkDOog6GV_lpk9Yw9H556FlNwZP3fQ?e=KqK5Ib

Niek’s slides are published in PDF on slideshare at: https://www.slideshare.net/secret/1m9sQDLIgqfoxf

Until 26/5 the content is reserved for limited audience and protected by password. Members can request access via our LinkedIn group.

By the next event in may, the content will be published for general access on our website.

If you experience any issues accessing the content, let us know.

(Contact us via the contact form or mail.)

Upcoming events

Chapter management year Q1 review meeting:

2 july 2021.

Third Member event: 23rd of September 2021

Elections + presentation TBD

Fourth event: 25th of November 2021

Presentation TBD

Previous Chapter events

Archived events (previous years) can be checked here:

Other security events

And we also keep an agenda of other interesting security event, you probably can use to earn CPE.

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