public static int[] DecryptVote(this Vote vote, PrivateKey key)
{
if (vote == null || key == null || vote.EncryptedVector == null)
{
throw new Exception("Can't decrypt vote. Null key or vote");
}
return(vote.EncryptedVector.Select(arg => HomoCrypto.Decrypt(arg, key)).ToArray());
}
public bool TryDecryptElectionResultIfFinished(Election election)
{
if (!election.IsFinished)
{
return(false);
}
PrivateKey privateKey;
if (!electionPrivateKeys.TryGetValue(election.Id, out privateKey))
{
return(false);
}
election.DecryptedResult = (election.EncryptedResult ?? Enumerable.Repeat(BigInteger.Zero, election.Candidates.Count)).Select(voteElement => HomoCrypto.Decrypt(voteElement, privateKey)).ToArray();
return(true);
}