cryptography   23958

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[1710.08403] Constrained ternary integers
An integer n is said to be ternary if it is composed of three distinct odd primes. In this paper, we asymptotically count the number of ternary integers n≤x with the constituent primes satisfying various constraints. We apply our results to the study of the simplest class of (inverse) cyclotomic polynomials that can have coefficients that are greater than 1 in absolute value, namely to the nth (inverse) cyclotomic polynomials with ternary n. We show, for example, that the corrected Sister Beiter conjecture is true for a fraction ≥0.925 of ternary integers.
number-theory  cryptography  prime-numbers  elliptic-curves  nudge-targets  to-understand 
8 hours ago by Vaguery
Security in Offline First Apps – Offline Camp – Medium
At Offline Camp I participated in a session on security of Offline First web apps. We were able to pick out a couple different areas where security would be an issue for Offline First apps. Imagine a…
pouchdb  offline  cryptography 
yesterday by mac
ECDSA is not that bad: two-party signing without Schnorr or BLS
I already wrote about Schnorr and BLS signatures and I think they are really great. One of the most exciting properties of these signature schemes is key aggregation — if we want to make a 2-of-2 multisignature address we just take our public keys and add them together. via Pocket
IFTTT  Pocket  aggregated  cryptography  ecdsa  encryption 
2 days ago by ChristopherA
Bitwarden is a free and open source password management solution for individuals, teams, and business organizations.
password  security  cryptography  opensource 
3 days ago by LaptopHeaven
Why I Don't Recommend Scrypt | ircmaxell's Blog
A blog about PHP, Security, Performance and general web application development.
cryptography  scrypt  password  cypher  hash  storage  development 
3 days ago by vrobin
Cryptology ePrint Archive: Report 2018/962 - Zexe: Enabling Decentralized Private Computation
Interesting use of zcash protocol for arbitrary computation purposes. Might enable a distributed exchange
Zcash  protocol  zero  knowledge  proof  algorithm  cryptography  research  computer  science 
3 days ago by asteroza
Layman's Guide to Elliptic Curve Digital Signatures
In preparation for this post, I’ve read several research papers, a book, listened to 4 university lectures, idled away hours on IRC, developed elliptic curve libraries in 2 seperate languages, and built my own elliptic curve graphing framework. Elliptic curve cryptography is hard to wrap your head around. As one of the fundamental crypto systems making Bitcoin a “crypto”-currency, I really wanted to understand the underlying technical aspects which make this form of cryptography secure. This post is an attempt to demystify the elliptic curve digital signing algorithm which underlies bitcoin’s psuedo-anonymous identity system.
cryptography  encryption  theory 
5 days ago by coffeebucket

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