Boris Reitman

Senior Full Stack Developer · Specialize in end-to-end encryption · Patent holder

Specializing in secure applications, cryptography, and full-stack development. Creator of Crosspass app for secure password sharing. Specialize in AWS, Python, JavaScript, and Go.

Featured Projects

Crosspass App

2023

Creator of the Crosspass mobile app for securely sending passwords, private notes, and ID documents. Published in App Store and Play Store.

Visit Crosspass

An End-to-End Encryption Web App

2022

An open source web application that implements the Diffie-Hellman key exchange protocol for secure communication, allowing users to exchange encrypted messages without sharing private keys.

View Demo

Visual PIN

2021

Innovative approach to PIN numbers using emoticons instead of digits. Built with React and JavaScript.

View Demo

Open Source Contributions

2003 - Present
  • WebUtil library - Used in public end-to-end encryption tool (GitHub)
  • CrossXHR - Cross Domain XHR replacement (GitHub)
  • Pliant Perl Interface - Perl integration for Pliant language (SourceForge)

Patents

End-to-end Encryption Based on a Simple Shared Secret

US11658823B1, US12113906B1, US11870908B1

Innovative method for implementing end-to-end encryption using a simple shared secret, enabling secure communication while maintaining user-friendly authentication. This patent family covers the core technology behind the Crosspass app.

View Patent US11658823B1 View Patent US12113906B1 View Patent US11870908B1

Technical Writing

Leadership

Internet Security & Privacy Meetup

Founder & Organizer (2018-2019)

Founded and organized a bi-weekly meetup group in Vancouver focused on internet security and privacy topics. Led discussions and presentations on encryption, secure communication, and privacy protection. The group grew to 234 members and hosted 29 events, including presentations on RFID security, Metasploit, and computer viruses.

Glagol Russian-speaking Toastmasters

Founder & President (2024 - Present)

Founded and currently serving as President of the first Russian-speaking Toastmasters club in North America. Leading a community of Russian-speaking professionals in Vancouver to develop their public speaking and leadership skills.

Visit Club Page

Speaking

Technical Lectures & Presentations

Vancouver Tech Community (2018-2019)
  • Passwords and pass-phrases
    Internet Security & Privacy Meetup
    January 14, 2019
  • Understanding Elliptic Curve cryptography
    Internet Security & Privacy Meetup
    January 28, 2019
  • Shoulder Surfing and Social Engineering
    Internet Security & Privacy Meetup
    February 11, 2019
  • URL Addresses
    Internet Security & Privacy Meetup
    February 25, 2019
  • Second Factor Authentication, Yubikeys, Touch ID
    Internet Security & Privacy Meetup
    December 5, 2018
  • Signal Protocol Overview
    Vancouver Linux Users Group (VanLUG)
    August 19, 2019
    View Slides
    View Event
  • Linux and the Big Picture
    Vancouver Linux Users Group (VanLUG)
    April 29, 2019
    View Event
  • Device Pairing by QR-code
    Vancouver Ruby Meetup Group
    March 14, 2019
    View Recording
  • Website Switcheroo: Links Opening In Tabs Are Dangerous
    B-Sides Vancouver Security Conference
    March 18, 2019
  • Anonymity in ZCash
    Internet Security & Privacy Meetup
    October 7, 2019
    Zero-knowledge proofs and Common String security model
  • Safer QR Code Connections
    Internet Security & Privacy Meetup
    January 2019
  • Thwarting Password Shoulder Surfing
    Internet Security & Privacy Meetup
    January 2019
  • Password Security Best Practices
    Internet Security & Privacy Meetup
    January 2019
  • End-to-End Encryption Fundamentals
    Internet Security & Privacy Meetup
    December 2018
  • Computer Viruses: Past, Present, and Future
    Internet Security & Privacy Meetup
    April 20, 6pm
    Overview of virus evolution, current threats, and emerging trends
  • Metasploit Framework Deep Dive
    Internet Security & Privacy Meetup
    October 2018
    Hands-on exploration of penetration testing tools and techniques
  • Understanding ZCash
    Internet Security & Privacy Meetup
    September 9, 2018
  • Homomorphic Encryption
    Internet Security & Privacy Meetup
    August 26, 2018

Contact

Please contact me either via LinkedIn or by sending a direct message using this submission form.