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- load('beaver.sage')
- load('curve.sage')
- load('ec_share.sage')
- p = 10
- party0_val = CurvePoint.random()
- party1_val = CurvePoint.random()
- public_scalar = 2
- # additive share distribution, and communication of private values
- party0_random = CurvePoint.random()
- alpha1 = ECAuthenticatedShare(party0_random)
- alpha2 = ECAuthenticatedShare(party0_val - party0_random)
- assert (alpha1.authenticated_open(alpha2) == party0_val)
- party1_random = CurvePoint.random()
- beta1 = ECAuthenticatedShare(party1_random)
- beta2 = ECAuthenticatedShare(party1_val - party1_random)
- assert (beta1.authenticated_open(beta2) == party1_val)
- # mul_scalar by public scalar
- mul_left_share = alpha1.mul_scalar(public_scalar)
- mul_right_share = alpha2.mul_scalar(public_scalar)
- assert (mul_left_share.authenticated_open(mul_right_share) == (public_scalar * party0_val))
- # add authenticated shares
- add_party0_share = alpha1 + beta2
- add_party1_share = alpha2 + beta1
- lhs = add_party0_share.authenticated_open(add_party1_share)
- assert (lhs == (party0_val + party1_val))
- # sub authenticated shares
- sub_party0_share = alpha1 - beta2
- sub_party1_share = alpha2 - beta1
- lhs = sub_party0_share.authenticated_open(sub_party1_share)
- assert (lhs == (party0_val - party1_val))
- # authenticated ec point scaled with authenticated scalar
- party1_val = random.randint(0,p)
- party1_random = random.randint(0,p)
- beta1 = AuthenticatedShare(party1_random)
- beta2 = AuthenticatedShare(party1_val - party1_random)
- s = Source(p)
- alpha1beta1_share = ScalingECAuthenticatedShares(alpha1, beta1, s.triplet(0), 0)
- alpha2beta2_share = ScalingECAuthenticatedShares(alpha2, beta2, s.triplet(1), 1)
- lhs_share = alpha1beta1_share * alpha2beta2_share
- rhs_share = alpha2beta2_share * alpha1beta1_share
- lhs = lhs_share.authenticated_open(rhs_share)
- mul_res = party0_val * party1_val
- assert (lhs == (party0_val * party1_val)), 'lhs: {}, rhs: {}'.format(lhs, party0_val * party1_val)
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