cryptography

tamperfree

I'd like to write about a part of what was my master thesis project. For my thesis I wrote about a mostly theoretical whistleblowing system.

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sysadmin

Rolling my own Certificate Authority

I'm about to deploy a small sideproject I've been coding the past 2 weeks and

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infosec

MD5 Length Extension Attack

I found this great explanation of a length extension attack [here by Skullsecurity](https://blog.skullsecurity.org/2012/everything-you-need-to-know-about-hash-length-extension-attacks)

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Uncategorized

QR Codes as Password Storage?

I played around yesterday with the idea of using QR-codes as an offline password storage. This way I don't have to rely on a database of passwords stored on my computer or in the cloud. I shudder at the thought of storing passwords in the cloud, encrypted or not. Instead my idea is to have printed QR codes in a binder, encrypted using a master password. To clarify, the content inside the QR code will be encrypted.

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