Adversary

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Look up adversary or Adversary in Wiktionary, the free dictionary.

Adversary may refer to:

in religion:

• Satan, whose name means adversary in the Hebrew language.

In computer science:

• Adversary (cryptography), malicious entity in cryptography whose aim is to prevent the users of the cryptosystem from achieving their goal.
• Adversary (online algorithm), the adversary model is used in online algorithms in order to show competitiveness of randomized algorithms.

In fiction:

• Adversary (comics), villain from the Marvel comics universe
• Geppetto (Fables), a character from the comic book series Fables also known as "The Adversary"
• "The Adversary" (DS9 episode), the season finale of Star Trek: Deep Space Nine's third season
• 'The Adversary' Book four in "The Saga Of The Exiles" by Julian May (ISBN 0-330-28031-7)

In music:

• The Adversary (album), solo album by Ihsahn of influential Norwegian black metal band Emperor

In law:

• Adversarial system, a system of law commonly used in common-law countries
• Adversary proceeding, proceeding used in bankruptcy processes

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