lem_scheme
Iraklis Leontiadis, Kaoutar Elkhiyaoui, Refik Molva(Aggregation Scheme)
From: “Private and Dynamic Time-Series Data Aggregation with Trust Relaxation”
Published in: CANS 2014
type: Plaintext Evaluation of the sum from encrypted values.
setting: Integer
Authors: Iraklis Leontiadis
Date: 2/2015
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class
lem_scheme.Aggregator[source]
Bases: object
Class for computing Pka and generating Ska
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decrypt(*encarray)[source]
Decrypting the sum
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class
lem_scheme.Collector(*auxarray)[source]
Bases: object
Computes auxt from list of auxiliary information from all users
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class
lem_scheme.Users(*userdata)[source]
Bases: object
Computing users secret keys(ski) for users list *userdata
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auxiliary()[source]
Computes auxiliary for all users into a list
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encrypt()[source]
Encrypts all user data into a list
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lem_scheme.auxiliaryfunc(b)[source]
Auxiliary information of one value, where b=ski
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lem_scheme.egcd(a, b)[source]
Extended Euclidian gcd function between a and b
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lem_scheme.encryptfunc(a, d)[source]
Encryption of one value, where a=plaintext(number), d=ski
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lem_scheme.hash()[source]
Computing hash value of time
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lem_scheme.modinv(a, m)[source]
Finding modulo inverse of a mod m
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lem_scheme.secretkey()[source]
Generating random secret key smaller than n2