public static byte[] BuildOCSPResp(byte[] cert, byte[] ocspResp)
{
// Generate the VLR structure
DataStructs.VlrHeader vlrHeader = GenerateVLR(DataStructs.VlrIdType.OCSP_RESP_VLR_ID, ocspResp.Length);
byte[] ret = new byte[vlrHeader.VLRLength];
GeneralUtils.StructureToByteArray(vlrHeader).CopyTo(ret, 0);
ocspResp.CopyTo(ret, DataStructs.VLR_HEADER_LEN);
return(ret);
}
/**
* Checks whther BK exists in the signed message, as a part of the S3 message validation
*/
public static bool DoesBKExist(SigmaDataStructs.SigmaS3Message S3Message, ref byte[] GaGbSig)
{
// Process certificate header in order to get cert length
byte[] header = new byte[DataStructs.VLR_HEADER_LEN];
Array.Copy(S3Message.data, header, header.Length);
object certHeader = new DataStructs.VlrHeader();
GeneralUtils.ByteArrayToStructure(header, ref certHeader);
int certLen = ((DataStructs.VlrHeader)certHeader).VLRLength;
// Extract GaGb from the signed message data
Array.Copy(S3Message.data, certLen + DataStructs.VLR_HEADER_LEN, GaGbSig, 0, GaGbSig.Length);
byte[] BK = GetBKValuesFromSignedMessage(GaGbSig);
return BK != null;
}
