Encryption

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Beliefs and thought

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What Wikipedia says

In cryptography, encryption is the process of transforming information in a way that, ideally, only authorized parties can decode. This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext.

Excerpt from the Wikipedia article “Encryption”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Johannes Landin, CC BY-SA 3.0, via Wikimedia Commons.