/// <summary>
///
/// </summary>
/// <param name="protoBatch"> The diagnosis key batch, from which the information to generate the bytes to verify are obtained. Keys inside the batch MUST be sorted</param>
/// <returns></returns>
public byte[] Sign(TemporaryExposureKeyGatewayBatchDto protoBatch, SortOrder keysSortOrder)
{
MemoryStream memStream = new MemoryStream();
Func <byte[], string> keyEncodingForSortFunc = keySigBytes => _encodingService.EncodeToBase64(keySigBytes);
var comparer = StringComparer.Ordinal;
var query = protoBatch.Keys.Select(GenerateSignaturePayloadFromKey);
query = (keysSortOrder == SortOrder.ASC) ? query.OrderBy(keyEncodingForSortFunc, comparer) : query.OrderByDescending(keyEncodingForSortFunc, comparer);
var sortedKeySignatures = query.ToList();
sortedKeySignatures.ForEach(sig =>
{
memStream.Write(sig);
});
return(SignWithCertificate(memStream.ToArray()));
}
private TemporaryExposureKeyGatewayBatchProtoDto MapBatchDtoToProtoAndSortForSigning(TemporaryExposureKeyGatewayBatchDto dto)
{
var protoKeys = dto.Keys.Select(gatewayDto => _mapper.Map <TemporaryExposureKeyGatewayDtoProto>(gatewayDto)).ToList();
var protoBatch = new TemporaryExposureKeyGatewayBatchProtoDto();
protoBatch.Keys.AddRange(protoKeys);
return(protoBatch);
}