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multiple encipherment [1 record]

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Record 1 1997-11-27

English

Subject field(s)
  • IT Security
CONT

The security of multiple encipherment also depends on the group-theoretic properties of a cipher. Multiple encipherment is an extension over single encipherment if for keys K1, K2 there does not exist a third key K3 such that E_K2(E_K1(X) == E_(K3)(X)([star][star]) which indicates that encrypting twice with two independent keys K1, K2 is equal to a single encryption under the third key K3.

OBS

The word "star" replaces the symbol "star", which can not be reproduced because of technical constraints.

French

Domaine(s)
  • Sécurité des TI

Spanish

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