def testCPABE_subgraph(nodes, E, vertices):
sg = SymbolDiGraphMat(nodes, rand_E=E)
abe_graph = CPABESymbolDiGraph(sg)
abe_graph.setup()
encMat = abe_graph.encrypt()
t0 = time.clock()
abe_graph.subgraph(encMat, vertices)
t1 = time.clock()
return t1-t0
def testCPABE_subgraph_size(nodes, E, vertices):
sg = SymbolDiGraphMat(nodes, rand_E=E)
abe_graph = CPABESymbolDiGraph(sg)
abe_graph.setup()
encMat = abe_graph.encrypt()
return len(str(abe_graph.subgraph(encMat, vertices)))
def testCPABE_keygen(nodes, E, attributes):
sg = SymbolDiGraphMat(nodes, rand_E=E)
abe_graph = CPABESymbolDiGraph(sg)
abe_graph.setup()
t0 = time.clock()
abe_graph.key_generation(attributes)
t1 = time.clock()
return t1-t0
def testCPABE_enc(nodes, E):
sg = SymbolDiGraphMat(nodes, rand_E=E)
abe_graph = CPABESymbolDiGraph(sg)
abe_graph.setup()
t0 = time.clock()
abe_graph.encrypt()
t1 = time.clock()
return t1-t0
def testCPABE_dk(nodes, E, A):
sg = SymbolDiGraphMat(nodes, rand_E=E)
abe_graph = CPABESymbolDiGraph(sg)
abe_graph.setup()
dk = abe_graph.key_generation(A)
return len(str(dk))
def testCPABE_pp(nodes, E):
sg = SymbolDiGraphMat(nodes, rand_E=E)
abe_graph = CPABESymbolDiGraph(sg)
pk_t, mk_t = abe_graph.setup()
return len(str(pk_t))
def compare_dec_rt(N, E, K):
nodes = []
for i in xrange(0,N):
nodes.append('v%d'%(i+1))
attributes = []
vertices = []
policy = "("
for i in xrange(0, K):
if i!=0:
policy+=" OR "
policy+="v%dr"%(i+1)
attributes.append('V%dR'%(i+1))
attributes.append('V%dC'%(i+1))
vertices.append('v%d'%(i+1))
policy+=") AND ("
for i in xrange(0, K):
if i!=0:
policy+=" OR "
policy+="v%dc"%(i+1)
policy+=")"
sg = SymbolDiGraphMat(nodes, rand_E=E)
cpabe_graph = CPABESymbolDiGraph(sg)
cpabe_graph.setup()
cpabeEncMat = cpabe_graph.encrypt()
kpabe_graph = KPABESymbolDiGraph(sg)
kpabe_graph.setup()
kpabeEncMat = kpabe_graph.encrypt()
sg = SymbolDiGraphLst(nodes,rand_E=E)
list_graph = PairEncSymbolDiGraph(sg)
list_graph.setup()
pairEncList = list_graph.encrypt()
cpabe_dk = cpabe_graph.key_generation(attributes)
kpabe_dk = kpabe_graph.key_generation(policy)
plist_dk = list_graph.key_generation(vertices)
Q = 2
subnodes = []
for i in xrange(0, Q):
subnodes.append('v%d'%(i+1))
print "CPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testCPABE_dec(cpabe_graph._master_public_key, cpabe_dk, cpabeEncMat, subnodes))
print "KPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testKPABE_dec(kpabe_dk, kpabeEncMat, subnodes))
print "PAIRE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testPairEnc_dec( plist_dk, pairEncList, subnodes ))
print ""
Q = 4
subnodes = []
for i in xrange(0, Q):
subnodes.append('v%d'%(i+1))
print "CPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testCPABE_dec(cpabe_graph._master_public_key, cpabe_dk, cpabeEncMat, subnodes))
print "KPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testKPABE_dec(kpabe_dk, kpabeEncMat, subnodes))
print "PAIRE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testPairEnc_dec( plist_dk, pairEncList, subnodes ))
print ""
Q = 6
subnodes = []
for i in xrange(0, Q):
subnodes.append('v%d'%(i+1))
print "CPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testCPABE_dec(cpabe_graph._master_public_key,cpabe_dk, cpabeEncMat, subnodes))
print "KPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testKPABE_dec(kpabe_dk, kpabeEncMat, subnodes))
print "PAIRE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testPairEnc_dec( plist_dk, pairEncList, subnodes ))
print ""
Q = 8
subnodes = []
for i in xrange(0, Q):
subnodes.append('v%d'%(i+1))
print "CPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testCPABE_dec(cpabe_graph._master_public_key,cpabe_dk, cpabeEncMat, subnodes))
print "KPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testKPABE_dec(kpabe_dk, kpabeEncMat, subnodes))
print "PAIRE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testPairEnc_dec( plist_dk, pairEncList, subnodes ))
print ""
Q = 10
subnodes = []
for i in xrange(0, Q):
subnodes.append('v%d'%(i+1))
print "CPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testCPABE_dec(cpabe_graph._master_public_key,cpabe_dk, cpabeEncMat, subnodes))
print "KPABE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testKPABE_dec(kpabe_dk, kpabeEncMat, subnodes))
print "PAIRE with %d vertices and %d edges and %d queried subnodes %s s"%(N, E, Q, testPairEnc_dec( plist_dk, pairEncList, subnodes ))
print ""
def testCPABE_dec(pk, dk, encMat, subnodes):
t0 = time.clock()
CPABESymbolDiGraph.decrypt(pk,dk,encMat,subnodes)
t1 = time.clock()
return t1-t0
def testCPABE_ct(nodes, E):
sg = SymbolDiGraphMat(nodes, rand_E=E)
abe_graph = CPABESymbolDiGraph(sg)
abe_graph.setup()
encMat = abe_graph.encrypt()
return len(str(encMat))