In this chapter we will look at choosing and optimizing cryptographic algorithms, particularly for resource-constrained systems, such as embedded systems. We will look at various strategies for ...

You can’t un-ring a bell, but you might be able to un-hash an email, depending on whom you ask. In order for marketers to safely use hashes for targeted advertising, they must stay abreast of the ...

All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Learn more. When ...

SHA1, one of the Internet's most crucial cryptographic algorithms, is so weak to a newly refined attack that it may be broken by real-world hackers in the next three months, an international team of ...

The original author of the MD5 password hash algorithmhas publicly declared his software end-of-life and is "no longer considered safe" to use on commercial websites. This comes only a day after a ...

Image hashing is a critical technology in digital imaging that converts a visual representation into a compact, binary code uniquely reflecting its perceptual content. This technique is especially ...