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 ...

A hash is kinda trash. Or, more precisely, not only will hashing data not anonymize it, but regulators, including the Federal Trade Commission, consider hashed identifiers to be personal information.

Over the past several months, we've seen major breaches exposing numerous usernames and passwords. The eBay and Adobe breaches impacted millions of accounts. Snapchat was compromised. With every ...

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 ...

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 ...

Hashing techniques have emerged as critical tools in the management and retrieval of large-scale image and multimedia datasets. By mapping high-dimensional data into compact binary codes, these ...

COMMENTARY--I can imagine a world where the computers needed no security. Where there were no passwords, no security checks, and no firewalls. Where the computers communicated freely and shared ...