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cryptography

This tag is associated with 4 posts

Crypto-sceptics

Encryption is an unfortunate necessity if we want to keep our personal information and communications private. While we ponder whether it’s safe or not to Zoom it’s worth reflecting on encryption’s negatives. Critic Shoshana Zuboff writes “encryption is the only positive action left to discuss when we sit around the dinner table and casually ponder how … Continue reading

Beware of this message

Generals and soldiers must pass messages up and down the chain of command in secret to avoid interception by the enemy. The same applies to cities. Writing in the 1600s, the English natural philosopher (and proto-semiotician) John Wilkins (1614-1672) affirmed that “there are certain ways to discourse with a friend, though he were in a … Continue reading

The dissimulated city

As anyone who plays video games or works with digital media will tell you, a simulation of a city is a model or image of a city. A simulated city (as in SimCity™) is similar in some respects, but not the same as a brick and concrete city. Now consider the related word dissimulation. Something … Continue reading

Sign here ……………………

How do signatures function? A signature is a sign, seal, or mark on a document indicating its authenticity, as when a painter signs a painting, or someone signs a letter or legal document. The signature and the thing it marks is meant to be a one-off. The signature marks an original document, before the thing … Continue reading

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