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Cryptographic Hash Functions Overview by satish naikawadi is a document available to read on EtoBox.

What is Cryptographic Hash Functions Overview about?

(1) Cryptographic hash functions condense arbitrary messages into fixed-size hashes. They have one-way and collision-free properties to prevent finding inputs that match a given hash or have the same hash. (2) Birthday attacks allow finding hash collisions with complexity of the square root of the hash size, so 64-bit hashes are insecure. Larger hashes like 160-bit SHA-1 and 256-512 bit SHA-2 are more secure but still have concerns due to their structure. (3) NIST is transitioning from SHA-2 to the new SHA

Author

satish naikawadi

Language

EN