public bool IsValidIdentity(long recipientId,
IdentityKey theirIdentity)
{
try
{
var query = conn.Table <Identity>().Where(v => v.RecipientId.Equals(recipientId));
if (query.Count() > 0)
{
var identity = query.First();
String serializedIdentity = identity.Key;
String mac = identity.Mac;
IdentityKey ourIdentity = new IdentityKey(Base64.decode(serializedIdentity), 0);
return(ourIdentity.Equals(theirIdentity));
}
else
{
return(true);
}
}
catch (IOException e) { return(false); }
catch (InvalidKeyException e) { return(false); }
catch (Exception e) { return(false); }
}
public bool SaveIdentity(SignalProtocolAddress address, IdentityKey identityKey)
{
IdentityKey existing;
trustedKeys.TryGetValue(address, out existing);
if (!identityKey.Equals(existing))
{
trustedKeys[address] = identityKey;
return(true);
}
else
{
return(false);
}
}