I use a different approach --- data hidden in plain site.
I have a generic micro-SD memory card filled with innocuous looking files --- lots of photos and music.
Some of these files have encrypted data embedded in them. An attacker needs to figure out which ones. But even if he does so, the encryption and storage still needs to be broken.
This is a purely software solution --- no custom hardware required. But I do use a little watch strap holder to make it easy is to carry the data with me at all times.
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[ 3.5 ms ] story [ 16.7 ms ] threadI have a generic micro-SD memory card filled with innocuous looking files --- lots of photos and music.
Some of these files have encrypted data embedded in them. An attacker needs to figure out which ones. But even if he does so, the encryption and storage still needs to be broken.
This is a purely software solution --- no custom hardware required. But I do use a little watch strap holder to make it easy is to carry the data with me at all times.
https://www.thingiverse.com/thing:6784665