Collision attacks - PowerPoint PPT Presentation

Hashing: SHA256 Tayler Angevine Bachelor of Arts Dr. Ken Blaha 3/13/2014

Hashing: SHA256 Tayler Angevine Bachelor of Arts Dr. Ken Blaha 3/13/2014. Introduction. Review the hash function SHA-256 Goal: understand how SHA-256 computes it’s hash. Why have I decided to focus on Sha-256 algorithms ? Battle tested Considered to be some of the “safest” algorithms

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487 views • 25 slides

Password Hashing

Password Hashing. Dan Johnson. What is a hashing function?. Fingerprint for a given piece of data Typically generated by a mathematical algorithm Produces a fixed length string as its output Hashes are sometimes called a checksum or message digests. Cryptographic hashing functions.

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803 views • 19 slides

Message Authentication Code

Message Authentication Code. July 2011. Message Authentication Problem. Message Authentication is concerned with: protecting the integrity of a message validating identity of originator How to detect changes by adversary to message? Ancient solution : sign and seal

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667 views • 18 slides

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