RNG
Data decryption
field generation
(e.g., RSA)
Data recovery
field generation
(e.g., RSA)
DDF
DRF
User’s
public key
Recovery agent’s
public key
in recovery policy
Randomly-
generated
file encryption key
File decryption
(e.g., DES)
A quick brown fox jumped...
*#$fjda^j
u539!3t
t389E *&
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