Secure Coms

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This is a community for enthusiest who love to ponder new ways for Alice to communicate with Bob in a world where global passive adversarys probably record every bit that ever crosses the wire.

Discuss cryptography, secure key exchange, private messangers, radios, encoding, networking tools, authentication mechanisms and anything relevant to coming up for ways to Alice to get a message to Bob.

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hereforawhile@lemmy.ml

Nifty local webserver ultity to convert a image to base64 then encrypt with AES-256 GCM (lemmy.ml)

submitted 3 months ago by hereforawhile@lemmy.ml to c/SecureComs@lemmy.ml

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This application is a local only web instance that can be spun up in termux.

Here is the source code.

Its configured to be a local only service utility although it wouldn't take much to point this to the web.

After picking a image, you can configure the compression. I found large image files basically require the compression. There is a limit to how much text you can copy...its very large...but the higher quality the image the longer this string of text will be, so you may need to lower the quality if you run into problems.

You can either copy the text directly, or download a blob as the .txt file for transport.

Termux side server manager.

Encrypted blob example.

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[–] hereforawhile@lemmy.ml 1 points 3 months ago

Test Image!

Password : 123 https://bin.disroot.org/?04138943b9044c7f#5WGu3dBJJRULviqHQ6aLW5evevgt6d68Fztah6mesTXS

You should get this.