DRYAD

DRYAD

The DRYAD Numeral Cipher/Authentication System is a simple, paper cryptographic system employed by the U.S. military for authentication and for encryption of short, numerical messages. Each unit with a radio is given a set of matching DRYAD code sheets. A single sheet is valid for a limited time, called a cryptoperiod.

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Dryad

Dryad is an international disciplinary repository of data underlying scientific and medical publications. Dryad is a curated general-purpose repository that makes data discoverable, freely reusable, and citable. The scientific, educational, and charitable mission of Dryad is to promote the availability of data underlying findings in the scientific literature for research and educational reuse.

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dryad

Noun

  1. In Greek myth, a female tree spirit.


The above text is a snippet from Wiktionary: dryad
and as such is available under the Creative Commons Attribution/Share-Alike License.

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