private key

Main Entry:  private key
Part of Speech:  n
Definition:  in cryptography, an encryption/decryption value known only to the party or parties that exchange secret messages; also called secret key
Example:  Some systems use both a public and private key.'s 21st Century Lexicon
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Computing Dictionary

private key definition

A piece of data used in private-key cryptography and public-key cryptography. In the former the private key is known by both sender and recipient whereas in the latter it is known only to the sender.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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