'Collision resistant' diaporamas de présentation

One-Way Hash Functions

One-Way Hash Functions. Overview of One-way Hash Functions. Essential building block in cryptography One-way and collision resistant properties Usage example: Password authentication Integrity preservation Blockchain Possible Attacks: Length extension attack Collision attack.

453 views • 35 slides

Fundamentals of Computer Security

Fundamentals of Computer Security. Certificates & Trust Message Digests Message Authentication Codes. Public Key Infrastructure.

445 views • 32 slides

Modern Cryptography: Cryptography Hashes

Modern Cryptography: Cryptography Hashes. Message Digests. Overview. Cryptographic hash functions are functions that: Map an arbitrary-length (but finite) input to a fixed-size output. Are one-way (hard to invert).

540 views • 29 slides

168 views • 6 slides