'El gamal encryption' diaporamas de présentation

Cryptographic Protocols for Electronic Voting

Cryptographic Protocols for Electronic Voting. David Wagner UC Berkeley. David Wagner, UC Berkeley. The Problem with Paperless Voting. Unverified software must be presumed malicious

507 views • 40 slides

Electronic Payment Systems 20-763 Lecture 6 Epayment Security II

402 views • 29 slides

El_Gamal Cryptography

El_Gamal Cryptography. Introduction. El_Gamal is a public-key cryptosystem technique was designed by Dr. Taher Elgamal . El_Gamal depends on the one way function, means that the encryption and decryption are done in separate functions. Introduction.

456 views • 24 slides

CMSC 414 Computer and Network Security Lecture 6

CMSC 414 Computer and Network Security Lecture 6. Jonathan Katz. Administrative announcements. Midterm I March 6 GRACE accounts set up Read the essays and papers linked from the course webpage Will discuss next Tuesday and/or Thursday. Public-key cryptography. The public-key setting.

330 views • 24 slides

CMSC 414 Computer and Network Security Lecture 6

CMSC 414 Computer and Network Security Lecture 6. Jonathan Katz. Administrative announcements. Midterm I March 6 GRACE accounts set up Read the essays and papers linked from the course webpage Will discuss next Tuesday and/or Thursday. Public-key cryptography. The public-key setting.

242 views • 24 slides

Cryptography

Cryptography. Lecture 25. Public-key encryption. pk. pk. c. pk. pk , sk. c ? Enc pk (m). m = Dec sk (c). Public-key encryption. A public-key encryption scheme is composed of three PPT algorithms: Gen: key-generation algorithm that on input 1 n outputs pk , sk

330 views • 21 slides