} else {
			reader, err = DecryptRequestWithSequenceNumberR(inputReader, h, bucket, object, seqNumber, oi.UserDefined)
		}
		if err != nil {
			return nil, err
		}
		return reader, nil
	}

	partDecRelOffset := int64(seqNumber) * SSEDAREPackageBlockSize
	partEncRelOffset := int64(seqNumber) * (SSEDAREPackageBlockSize + SSEDAREPackageMetaSize)