100+ Alice signs PowerPoint (PPT) Presentations, Alice signs PPTs

Alice signs - PowerPoint PPT Presentation

Hash Functions

Hash Functions. Cryptographic Hash Function. Crypto hash function h(x) must provide Compression ? output length is small Efficiency ? h(x) easy to compute for any x One-way ? given a value y it is infeasible to find an x such that h(x) = y

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603 views • 42 slides

Hash Functions

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614 views • 42 slides

ElGamal Digital Signatures

ElGamal Digital Signatures. signature variant of ElGamal, related to D-H so uses exponentiation in a finite (Galois) with security based difficulty of computing discrete logarithms, as in D-H use private key for encryption (signing) uses public key for decryption (verification)

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552 views • 6 slides

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'Alice signs' diaporamas de présentation

Alice signs - PowerPoint PPT Presentation

Hash Functions

Hash Functions

ElGamal Digital Signatures