Here’s a problem you might be familiar with: I keep forgetting what AEAD exactly means and why you would ever use it. Yes, I know the acronym stands for “Authenticated Encryption with Associated Data”, but does that really clarify anything? Not to me, so I’ve finally decided to sit down and write this blog post as a piece of help for my future self… and for anyone else who finds AEAD hard to retain.| Adolfo Ochagavía
There seems to be a lot of interest among software developers in the various cryptographic building blocks (block ciphers, hash functions, etc.), and more specifically how they stack up against eac…| Dhole Moments
If you’re reading this wondering if you should stop using AES-GCM in some standard protocol (TLS 1.3), the short answer is “No, you’re fine”. I specialize in secure implemen…| Dhole Moments
Telegram is a popular – especially in the East – internet messenger. It bills itself as “encrypted”, “private”, and “secure”. One of its creators (and the CEO of the company that operates the service)| Songs on the Security of Networks
Update (2024-06-06): There is an update on this project. As Twitter’s new management continues to nosedive the platform directly into the ground, many people are migrating to what seem like d…| Dhole Moments
In June 2023, Amazon Web Services launched a developer preview of the new Database Encryption SDK in Java for DynamoDB (DB-ESDK for short). The DB-ESDK is the successor to the DynamoDB Encryption C…| Semantically Secure
NFC-based devices, such as mobile digital wallets, contactless smart cards, and security keys (hardware authentication devices), are exposing users to NFC vulnerabilities in encryption, replay and side-channel attacks.| Cossack Labs
Stunned by losing their robotic devices, [REDACTED] learnt that they were hijacked by attackers even with communication being encrypted. Having researched its firmware and found numerous cryptographic failures, we've crafted a few demos on how cryptography goes wrong in real life.| Cossack Labs
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