Término
general que engloba a los distintos sistema de gestión de claves en los que se
deposita parte o la totalidad de la clave empleada para cifrar, de modo que se
permita una posterior recuperación de los mensajes cifrados mediante un
procedimiento distinto al empleo del canal normal de comunicación. (v. Depósito
de claves). [CESID:1997]
Mechanisms and processes
that allow authorized parties to retrieve the cryptographic key used for data
confidentiality. [CNSSI_4009:2010]
1. (I) /cryptanalysis/ A
process for learning the value of a cryptographic key that was previously used
to perform some cryptographic operation. (See: cryptanalysis, recovery.)
2. (I) /backup/ Techniques
that provide an intentional, alternate means to access the key used for data
confidentiality service in an encrypted association. [DoD4] (Compare: recovery.)
[RFC4949:2007]
A function in the lifecycle
of keying material; mechanisms and processes that allow authorized entities to
retrieve keying material from key backup or archive. [NIST-SP800-57:2007]