Learn more about hash functions, including how they protect data integrity and secure blockchain transactions in ...

The PKI industry recommends that every SHA-1 enabled PKI move to the vastly more secure SHA-2. Here's why and how. For the past two years, I’ve been busy helping Public Key Infrastructure (PKI) ...

Ukraine electronic signature Kupyna mandate takes effect September 1, 2026, as Ukraine's Cabinet of Ministers signed a ...

An algorithm that transforms a given amount of data (the "message") into a fixed number of digits, known as the "hash," "digest" or "digital fingerprint." Hash functions are a fundamental component in ...

Imagine taking a block of data and turning it into a unique string of characters. Like giving it a digital nickname that never changes (unless the data does!). That’s a hash. Whether the original data ...

Hash functions are cryptography’s most widely used primitives, in that they are a fundamental building block used for a wide variety of constructions. The recent attacks of Joux, Wang, and others ...

In our current times transactions are conducted online more than ever before. We use technology to do things like online banking, ecommerce, and investing— all of which involve sensitive and valuable ...

Members can download this article in PDF format. The security of cryptographic applications critically relies on symmetric keys and private keys that are continually kept secret. The method used to ...

A method for ensuring that data have not been altered. A hash total is the numerical sum of one or more fields in a file, including data not normally used in calculations, such as account number. The ...