Estimating things that exist is generally easy, but when it comes to estimating things that do not exist, it's more difficult. This is something physicists from Poland and the UK are well aware of. To ...

Compare SHA-256 vs Keccak-256 cryptographic hash functions, security, performance, and blockchain applications.

Birthday attacks exploit the collision probability of hash functions. Collision resistance requires sufficiently large hash outputs. Modern blockchains use 256-bit hashes to mitigate collision risks.

The product uses an algorithm that produces a digest (output value) that does not meet security expectations for a hash function that allows an adversary to reasonably determine the original input ...

Computing practitioners encounter hash functions almost every day, although they may not necessarily be the center of attention. When you install software packages or updates, the authenticity of a ...

Abstract: This paper analyzes the security and performance of the isogeny-based hash functions. The isogeny-based hash function was first proposed by Charles, Goren, and Lauter, and is referred to as ...

In the ever-evolving landscape of cybersecurity, where threats are becoming increasingly sophisticated and pervasive, traditional defenses alone are no longer sufficient to protect sensitive data.

This is a re-post of #10389, attempting to summarize the current state of the discussion since that issue had too many comments to still be useful. The soundness of functions like downcast relies on ...

Abstract: Hash functions play a pivotal role in the field of cryptography, serving as a fundamental technique for ensuring data security. Moreover, cryptographic hash functions can be utilized to ...