Category: encryption

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Self-Propagating Smart Light Bulb Worm

Posted on By infossl
academicpapers, aes, authentication, cryptography, encryption, internetofthings, malware, Security technology, sidechannelattacks

This is exactly the sort of Internet-of-Things attack that has me worried: “IoT Goes Nuclear: Creating a ZigBee Chain Reaction” by Eyal Ronen, Colin OFlynn, Adi Shamir and Achi-Or Weingarten. Abstract: Within the next few years, billions of IoT devices will densely populate our cities. In this paper we describe a new type of threat … Read More “Self-Propagating Smart Light Bulb Worm” »

Teaching a Neural Network to Encrypt

Posted on By infossl
academicpapers, artificialintelligence, encryption, schneierslaw, Security technology

Researchers have trained a neural network to encrypt its communications. In their experiment, computers were able to make their own form of encryption using machine learning, without being taught specific cryptographic algorithms. The encryption was very basic, especially compared to our current human-designed systems. Even so, it is still an interesting step for neural nets, … Read More “Teaching a Neural Network to Encrypt” »

Recovering an iPhone 5c Passcode

Posted on By infossl
academicpapers, backdoors, encryption, fbi, ios, iphone, lies, passwords, Security technology

Remember the San Bernardino killer’s iPhone, and how the FBI maintained that they couldn’t get the encryption key without Apple providing them with a universal backdoor? Many of us computer-security experts said that they were wrong, and there were several possible techniques they could use. One of them was manually removing the flash chip from … Read More “Recovering an iPhone 5c Passcode” »

IRS Encourages Poor Cryptography

Posted on By infossl
aes, cryptography, encryption, irs, Security technology

I’m not sure what to make of this, or even what it means. The IRS has a standard called IDES: International Data Exchange Service: “The International Data Exchange Service (IDES) is an electronic delivery point where Financial Institutions (FI) and Host Country Tax Authorities (HCTA) can transmit and exchange FATCA data with the United States.” … Read More “IRS Encourages Poor Cryptography” »

Cryptography for Kids

Posted on By infossl
children, cryptography, encryption, Security technology

Interesting National Science Foundation award: In the proposed “CryptoClub” afterschool program, middle-grade students will explore cryptography while applying mathematics to make and break secret codes. The playfulness and mystery of the subject will be engaging to students, and the afterschool environment will allow them to learn at their own pace. Some activities will involve moving … Read More “Cryptography for Kids” »

Subconscious Keys

Posted on By infossl
academicpapers, cryptanalysis, cryptography, encryption, keys, secrecy, Security technology

I missed this paper when it was first published in 2012: “Neuroscience Meets Cryptography: Designing Crypto Primitives Secure Against Rubber Hose Attacks” Abstract: Cryptographic systems often rely on the secrecy of cryptographic keys given to users. Many schemes, however, cannot resist coercion attacks where the user is forcibly asked by an attacker to reveal the … Read More “Subconscious Keys” »

The IDEA Encryption Algorithm with a 128-bit Block Length

Posted on By infossl
algorithms, cryptanalysis, cryptography, encryption, Security technology

Here’s an IDEA-variant with a 128-bit block length. While I think it’s a great idea to bring IDEA up to a modern block length, the paper has none of the cryptanalysis behind it that IDEA had. If nothing else, I would have expected more than eight rounds. If anyone wants to practice differential and linear … Read More “The IDEA Encryption Algorithm with a 128-bit Block Length” »

David Cameron's Plan to Ban Encryption in the UK

Posted on By infossl
cryptography, cryptowars, encryption, nationalsecuritypolicy, Security technology, securitytheater, terrorism, uk

In the wake of the Paris terrorist shootings, David Cameron has said that he wants to ban encryption in the UK. Here’s the quote: “If I am prime minister I will make sure that it is a comprehensive piece of legislation that does not allow terrorists safe space to communicate with each other.” This is … Read More “David Cameron's Plan to Ban Encryption in the UK” »

Viking Runes as Encryption in the 1500s

Posted on By infossl
encryption, historyofcryptography, Security technology

This is an interesting historical use of viking runes as a secret code. Yes, the page is all in Finnish. But scroll to the middle. There’s a picture of the Stockholm city police register from 1536, about a married woman who was found with someone who was not her husband. The recording scribe “encrypted” her … Read More “Viking Runes as Encryption in the 1500s” »