if crypto.SSEC.IsEncrypted(metadata) {
		key, err := ParseSSECustomerHeader(h)
		if err != nil {
			return nil, err
		}
		return newDecryptReader(client, key, bucket, object, seqNumber, metadata)
	}
	return newDecryptReader(client, nil, bucket, object, seqNumber, metadata)
}

// DecryptCopyRequestR - same as DecryptCopyRequest, but with a
// Reader