| http://www.w3.org/ns/prov#value | - If it determines that the user has the appropriate privileges, it then sends the following Es(k)+Ek(F)???(1) [0037] Here F is the file, k is the secret key used to encrypt the file, s is a key that we refer as the strong key???it is derived from the user's OTP password, and biometrics features of the user, and + denotes the usual concatenation.
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