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Nikos Mavrogiannopoulos
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Nikos Mavrogiannopoulos

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A quick overview of GnuTLS development in 2014
2014 was a very interesting year in the development of GnuTLS. On the development side, this year we have incorporated patches with fixes or enhanced functionality from more than 25 people according to openhub, and the main focus was moving GnuTLS 3.3.x fro...
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Nikos Mavrogiannopoulos

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Inside an SSL VPN protocol
Some time ago when trying to provide a way to interconnect the routers of the company I was working on, I attempted to evaluate the various secure VPN solutions available as free software. As I was already familiar with cryptography and secure communication...
Some time ago when trying to provide a way to interconnect the routers of the company I was working on, I attempted to evaluate the various secure VPN solutions available as free software. As I was already familiar with crypt...
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Anyway - if I ever find time I'll join the list :) thanks for the discussion.
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LGPLv3 is the latest version of the GNU Lesser General Public License. It follows the successful LGPLv2.1 license, and was released by Free Software Foundation as a counterpart to its GNU General Publ...
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This article of prof. Tsoukas makes a great overview of the lack of meritocracy in Greece, which is the reason I left few years ago. One of the examples in the article is the recent resignation of the...
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Research that is reviewed by volunteers and often funded by the public should be freely available to all. Make a difference by pledging to assist the peer review process for only those publications t...
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Have him in circles
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Nikos Mavrogiannopoulos

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What about POODLE?
Yesterday POODLE was announced, a fancy named new attack on the SSL 3.0 protocol, which relies on the browser's non-standard fallback mechanism. The issue is mainly in the SSL 3.0 protocol which has known vulnerabilities and shouldn't be negotiated unless i...
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software has bugs... now what?
The recent bugs uncovered in TLS/SSL implementations, were received in the blogo-sphere with a quest for the perfectly secure implementations, that have no bugs. That is the modern quest for perpetual motion. Nevertheless, very few bothered by the fact that...
The recent bugs uncovered in TLS/SSL implementations, were received in the blogo-sphere with a quest for the perfectly secure implementations, that have no bugs. That is the modern quest for perpetual motion. Nevertheless, ve...
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Nikos Mavrogiannopoulos

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A while ago I was writing on why we need an alternative authentication method in TLS. Then I described the SSH-style authentication and how it was implemented it GnuTLS. Another approach is the DANE p...
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There was a big hype when the Trusted Platform Module (TPM) was introduced into computers. Briefly it is a co-processor in your PC that allows it to perform calculations independently of the main proc...
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I don't understand the issue. When you created the file it asked you for the SRK password and the password to protect the exported file. This is that. btw, please use the gnutls mailing lists: https://www.gnu.org/software/gnutls/lists.html
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Have him in circles
188 people
Lilla Diamantopoulou's profile photo
Κώστας Βλάχος's profile photo
aris kleitsis's profile photo
Michael Keinath's profile photo
Μορφωτικός Εξωραϊστικός Σύλλογος Πισσώνα's profile photo
thanos kollatos's profile photo
anekdotakias™'s profile photo
Dien Tien Hoang Nguyen's profile photo
Peter van Liesdonk's profile photo
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Introduction
I've worked as a software architect and engineer in various places in europe. I've studied mathematics and hold a PhD in cryptography; my favorite of all the projects I've worked for is GnuTLS of which I am the principal author. Currently I work at Red Hat.
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