Crosspass
Share passwords securely
Crosspass launched on April 30, 2025 with 6 votes.
What it does
Crosspass is a mobile app for sending passwords and text notes. Crosspass functions peer-to-peer and encrypts end-to-end. It authenticates communicating parties by using the OPAQUE cryptographic protocol.
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Hey HN! I made a service to share passwords easy and secure but never promoted it. It's called instapass.io I noticed that people besides my friends and clients actually started to use, so maybe it will be helpful for you too! You share one-time self-destruct message using one time links and I won't even be able to see what you wrote. How does it work? When you generate a message the client-side makes a random password and use that to encrypt the message. The password is appended as an anchor tag which all modern browsers never send to the server. This way, I don't even know what you shared.…
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