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- load('../mpc/share.sage')
- def countZeros(x):
- total_bits = 32
- res = 0
- count = 0
- while ((x & (1 << (total_bits - 1))) == 0) and count < 32:
- x = (x << 1)
- res += 1
- count += 1
- return res
- def sum_shares(shares, source, party_id):
- zero_share = AuthenticatedShare(0, source, party_id)
- for share in shares:
- zero_share += share
- return zero_share
- def sum_ec_shares(shares):
- zero_share = ECAuthenticatedShare(0)
- for share in shares:
- zero_share += share
- return zero_share
- def shares_mul(my_shares, peer_shares):
- return sum([my_share * peer_share for my_share, peer_share in zip(my_shares, peer_shares)])
- def to_ec_shares(ec):
- return ECAuthenticatedShare(ec)
- def to_ec_shares_list (ec_list):
- return [to_ec_shares(ec) for ec in ec_list]
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