espwv32

A password vault you can take with you.

Key Properties

• No client software needed
• 2 factor authentication
• Encrypted storage
• Secure communication

Current status

• [x] BLE connection requires passcode
• [x] Secure BLE connection
• [x] Send username and password on button push
• [x] Store credentials securely on the device
• [ ] Manual managing accounts
• [ ] Proposing new passwords for existing accounts
• [ ] Changing a password manually
• [ ] Fully security checked

Hardware

https://m5stack.com/products/stick-c https://docs.m5stack.com/#/en/arduino/arduino_api

Screens

Start Screen

Bluetooth Connection PIN

Locked, waiting for User PIN

Selecting an Account

High Level Acrchitecture

Sequences

Quality

Inspiring reads:

• https://github.com/espressif/arduino-esp32/blob/master/tools/sdk/include/mbedtls/mbedtls/aes.h
• https://hackaday.com/2020/02/19/password-keeper-uses-off-the-shelf-formfactor/