I want to create an Android app where users from an office (typical use) can upload scanned documents to the app backend service for later use. e.g. A lawyer want to upload a sentence ...
Can a zero knowledge proof of voting be made using a trusted auth server (without client side crypto)?
Questions: Can one implement a secure voting system having all the features described below? e.g. without disclosing any individual's vote to the government server (or the third party), preserving ...
This question is meant as a canonical question in regard to the US and UK spy agencies compromising end nodes and encryption between nodes to spy on people they suspect to be terrorists. However, this ...
In London, there are trash bins that track a phone's MAC address and monitor the users movement from one location to another. I want to see if there is any best practice for collecting private ...
What are the performance and security tradeoffs when selecting “ECC” or “Subgroup” in a U-Prove token?
In one of the U-Prove documents, I remember reading something that compared Subgroups versus ECC and it went something like this (paraphrased): Subgroups Requires a bigger key to achieve equivalent ...
I recently stumbled upon this and am checking here to see if what I am proposing is indeed feasible and can be considered a breach of privacy. For obvious reasons I am not revealing the website ...
Looking for suggestions on implementing a server-side lookup table, where the key is an email address. Goal: Keep these email address private, even if data on the server is stolen. Assumptions: The ...
Reading into "Operation Satyagraha", one would have to believe give all the resources used that the investigators had some reason to believe there was data to decrypt, even though in theory and in ...
Server side data de-duplication + client-side encryption with private key. Possible with “convergent encryption”? [duplicate]
Possible Duplicate: Online backup : how could encryption and de-duplication be compatible? I just saw an article on Techcrunch wherein a startup company was describing their new cloud ...
A "soon to enter beta" online backup service, Bitcasa, claims to have both de-duplication (you don't backup something already in the cloud) and client side encryption. ...
For example, say the following are HTTPS URLs to two websites by one IP over 5 mins: "A.com/1", "A.com/2", "A.com/3", "B.com/1", "B.com/2". Would monitoring of packets reveal: nothing, reveal only ...