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passphrase
(redirected from Pass-phrase)

    Also found in: Wikipedia 0.04 sec.
(operating system)passphrase - A string of words and characters that you type in to authenticate yourself. Passphrases differ from passwords only in length. Passwords are usually short - six to ten characters. Passphrases are usually much longer - up to 100 characters or more. Their greater length makes passphrases more secure. Modern passphrases were invented by Sigmund N. Porter in 1982.

Phil Zimmermann's popular encryption program PGP, for example, requires you to make up a passphrase that you then must enter whenever you sign or decrypt messages.

http://world.std.com/~reinhold/diceware.page.html.


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For example, SpectraLogic's BlueScale Encryption solution encrypts key copies (exported keys that can be stored elsewhere) using a pass-phrase chosen at export time.
Encryption: secure encrypted backups by careful key management; ... by Starr, Matt / Computer Technology Review
Trial Edition allows users to mount a virtual volume of up to 1 Gigabyte size while limiting the pass-phrase to 2 characters.
PMC Ciphers Releases Ultra-fast, 512 bit, On-the-Fly Disk Encryption by Business Wire
It provides an added layer of security for applications used in the financial services, government, insurance and healthcare industries by comparing a caller's voiceprint with a stored reference voiceprint that the caller has previously provided, as well as requiring knowledge of the correct pass-phrase.
OTG and SpeechWorks Partnership Offers Integrated and Deployed ... by Business Wire
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