资讯

A mathematical formula that accepts a quantity of data and derives a number known as a "hash" or "hash value." See hash and cryptographic hash function. THIS DEFINITION IS FOR PERSONAL USE ONLY. All ...
NIST has opened a competition to develop a new cryptographic hash algorithm, a tool that converts a file, message or block of data to a short "fingerprint" for use in digital signatures, message ...
Such hash algorithms are ultimately one of the key security technologies for federal and public systems. The competition is NIST’s response to recent advances in the analysis of hash algorithms.
Perceptual hash functions aim to imitate human perception by focusing on the types of features that drive human sight and hearing.
Apple is reportedly developing a tool that would scan for child sexual abuse material (CSAM) in your iPhone photos using hashing algorithms. The system is said to be deployed on the user’s device for ...
Who Broke the SHA1 Algorithm (And What Does It Mean for Bitcoin)? The SHA1 encryption algorithm was recently 'broken' by researchers at Google and CWI Amsterdam. Should the bitcoin world worry?
Security experts vying to have their technology selected as the next cryptographic-hash algorithm standard for the U.S. government need to submit their entries this week. Then they will have a ...
As a crypto network picks up more miners, hash rate increases. Hash rate will generally follow the price of a crypto. Hash rate also has some impact on global energy consumption. For a proof-of-work ...
Hash attack economics Starting with the basics, Bitcoin is encrypted by transactions using what's called a Secure Hashing Algorithm 256 (shortened to SHA-256).