* sanitized upstream.)
*/
private S3Object decipherWithInstFileSuffix(GetObjectRequest req,
long[] desiredRange, long[] cryptoRange, S3Object retrieved,
String instFileSuffix) {
final S3ObjectId id = req.getS3ObjectId();
// Check if encrypted info is in an instruction file
final S3ObjectWrapper ifile = fetchInstructionFile(id, instFileSuffix);
if (ifile == null) {
throw new AmazonClientException("Instruction file with suffix "
+ instFileSuffix + " is not found for " + retrieved);