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CLE MESSAGE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1997-12-15

English

Subject field(s)
  • IT Security
CONT

In cryptography we have various kinds of keys, including a User Key (the key which a user actually remembers), which may be the same as an Alias Key (the key for an alias file which relates correspondent names with their individual keys). We may also have an Individual Key (the key actually used for a particular correspondent); a Message Key (normally a random value which differs for each and every message); a Running Key (the confusion sequence in a stream cipher, normally produced by a random number generator); and perhaps other forms of key as well.

Key term(s)
  • message-key

French

Domaine(s)
  • Sécurité des TI

Spanish

Save record 1

Record 2 1997-11-01

English

Subject field(s)
  • IT Security
CONT

Keying elements. - In preparing the device for encipherment or decipherment, the operator uses two keying elements: a daily keying element and a message keying element. ... Message keying element. - The "channel elimination" or "interruptor" scheme of encipherment is used with strip cipher systems. In order to maintain a high degree of security, both the particular channels eliminated and the total number of channels eliminated should vary among messages enciphered on the same day. The internal message indicator is the message keying element and determines the number and identity of channels eliminated in enciphering or deciphering a particular message.

French

Domaine(s)
  • Sécurité des TI

Spanish

Save record 2

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