Ver:
Valor secreto
generado como resultado de un protocolo de acuerdo de claves y que se utiliza
para entrada para la función de generación de claves.
A secret value that has been
computed using a key agreement scheme and is used as input to a key derivation
function. [NIST-SP800-57:2007]
Refers to the security key
for the cryptographic algorithms; it may be derived from a password.
[H.530:2002]