PPT-Anonymity-preserving Public-Key Encryption

Author : trish-goza | Published Date : 2017-04-19

Markulf Kohlweiss Ueli Maurer Cristina Onete Björn Tackmann and Daniele Venturi PETS 2013 Context E ncryption and Anonymity Publickey encryption Short but

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Anonymity-preserving Public-Key Encryption: Transcript

Markulf Kohlweiss Ueli Maurer Cristina Onete Björn Tackmann and Daniele Venturi PETS 2013 Context E ncryption and Anonymity Publickey encryption Short but eventful history late 70s 80s. By . Esra. . Erdin. Introduction. Types of Anonymity Systems. TOR Overview. Working Mechanism of TOR. I2P Overview. Working Mechanism of I2P. Conclusion. Introduction. Anonymity means that the real author of a message is not known. Stevens Le Blond . David . Choffnes. . Wenxuan. Zhou. Peter . Druschel. . Hitesh . Ballani. . Paul Francis . 2. Snowden wants to communicate with Greenwald without Alexander to find out. ACM Workshop on Privacy in the Electronic Society. 4. November 2013. Henry Corrigan-Gibbs. Stanford. Bryan Ford. Yale. New Anonymity Systems Have a “Chicken-and-Egg” Problem. Few . users. Small anonymity sets. (. Version 2013/04/03). Stefan Köpsell. (Slides [mainly] created by Andreas Pfitzmann). . Technische. . Universität. Dresden, Faculty of Computer Science, . D-01187 . Dresden. Nöthnitzer. Str. 46, Room . Jondos . in . a. Crowd. Author: Benjamin Winninger. Eavesdropping Attacks . Local Eavesdropper: An attacker who can view all communication to and from a user.. If the eavesdropper gets lucky and is listening to the sender, then the sender is exposed! Otherwise, the receiver is beyond suspicion.. CompSci. 590.03. Instructor: . Ashwin. . Machanavajjhala. 1. Lecture 3 : 590.03 Fall 12. Announcements. Project ideas are posted on the site. . You are welcome to send me (or talk to me about) your own ideas.. Rainbows (a.k.a. Spectrums). Public Private Key Encryption. HTTPS. Encryption. String Encryption. You have an account on . facebook. , LinkedIn, YouTube etc. . Your login: . costanza@seinfeld.com. Your password is : . / CS . 6740. Network . Security. Lecture 11: . Anonymous Communications. (Wave Hi to the NSA). 2. You Are Not Anonymous. 3. Your IP address can be linked directly to you. ISPs store communications records. Lecture 22: Anonymous Communications. (Wave Hi to the NSA). 2. You Are Not Anonymous. 3. Your IP address can be linked directly to you. ISPs store communications records. Usually for several years (Data Retention Laws). Overview. Encryption technologies. Combining encryption technologies for practice. Using encryption technologies for identification – digital signatures. Public key infrastructure. 2. Introduction. Public Private Key Encryption. HTTPS. Encryption. String Encryption. You have an account on . facebook. , LinkedIn, YouTube etc. . Your login: . costanza@seinfeld.com. Your password is : . bosco. If this data was stored in a database, it might look like:. Cryptography. Is:. A tremendous tool. The basis for many security mechanisms. Is not:. The solution to all security problems. Reliable unless implemented and used properly. Something you should try to invent yourself. Undetectability. , . Unobservability. , Pseudonymity and Identity Management – A Consolidated Proposal for Terminology. Authors: Andreas . Pfitzmann. and . Marit. Hansen. Presented by: Murtuza Jadliwala. pk. , . sk. pk. c. . . . Enc. pk. (m). m. = . Dec. sk. (c). c. pk. pk. Public-key encryption. A public-key encryption scheme is composed of three PPT algorithms:. Gen: . key-generation algorithm.

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