cipher

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cipher:

see cryptographycryptography
[Gr.,=hidden writing], science of secret writing. There are many devices by which a message can be concealed from the casual reader, e.g., invisible writing, but the term cryptography strictly applies to translating messages into cipher or code.
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cipher

[′sī·fər]
(communications)
A transposition or substitution code for transmitting secret messages.

cipher

, cypher
1. an obsolete name for zero
2. any of the Arabic numerals (0, 1, 2, 3, etc., to 9) or the Arabic system of numbering as a whole
3. Music a defect in an organ resulting in the continuous sounding of a pipe, the key of which has not been depressed

cipher

(1) The core algorithm used to encrypt data. A cipher transforms regular data (plaintext) into a coded set of data (ciphertext) that is not reversible without a key. For example, AES and DES are examples of secret key block ciphers. The complete encryption algorithm is the cipher plus the technique used to apply the cipher to the message, which can be a very intricate series of steps. See cryptography, encryption algorithm, block cipher, cipher suite and plaintext.

(2) An encrypted character. See ciphertext and cryptography.
References in periodicals archive ?
And on Friday night, Cyphers, 22, celebrated Christmas Eve with her other family - the counselors, administrators and other former foster children in the Pathways program.
Through the 18-month-long Pathways program, Cyphers has achieved things she never thought possible: a full-time job, an apartment near the beach and the tools to care for herself and her 2-month-old daughter, Sade.
The program has meant the difference between success and failure for Cyphers.
Her mother worked on the graveyard shift, leaving Cyphers to care for two younger brothers.
Cypher software algorithms detect and separate acoustic signals on today's mobile devices in real time, dramatically reducing background noise and significantly improving voice quality and intelligibility.
Finally, among the high-risk group treated for disease in multiple lesions in SORT OUT III, the incidence of MACE at 18 months was significantly reduced by 80% with CYPHER vs.
The CYPHER stent does not have an FDA-approved indication for use in patients with diabetes, acute coronary syndrome, or multi-vessel disease.
More than 3,000 patients have been included in nine randomized trials to assess the safety and efficacy of the CYPHER SELECT([R]) Plus Stent in AMI.
Featuring an enhanced stent delivery system, the CYPHER SELECT([R]) Plus Stent offers exceptional deliverability, as well as the excellent, long-term clinical performance for which the CYPHER([R])Stent is widely known.
The CYPHER SELECT([R]) Plus Stent is not approved or available for sale in the United States.