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T. Ismail et al.
Table 1.
Scenario of the storage phase
User
HSDSA
CSP1, ...
CSPn
1.Calculate H(R) =
EPU
R (R)
2. Encrypt R:
R
=
EPK
R (R)
3.Log in
upload R
−−−−−−→
H(R)
4.Generate an identifier of
R
:
IDR
5.Calculate H(R
)
6.Split
R
to
m shares:
R
=S1, ... ,Sm
7.Calculate
S
i for
i=(1,..,m)
S
i =
Si
H(R
)
8. Select polynomials:fi(x)
i=(1,..,m)
9. Compute shares:S1i,..,Smi
Send shares
− −−−−−−→
ID
R
10.Store shares and
IDR
T. Ismail et al.
Table 1.
Scenario of the storage phase
User
HSDSA
CSP1, ...
CSPn
1.Calculate H(R) =
EPU
R (R)
2. Encrypt R:
R
=
EPK
R (R)
3.Log in
upload R
−−−−−−→
H(R)
4.Generate an identifier of
R
:
IDR
5.Calculate H(R
)
6.Split
R
to
m shares:
R
=S1, ... ,Sm
7.Calculate
S
i for
i=(1,..,m)
S
i =
Si
H(R
)
8. Select polynomials:fi(x)
i=(1,..,m)
9. Compute shares:S1i,..,Smi
Send shares
− −−−−−−→
ID
R
10.Store shares and
IDR