}
@Override
public void init(OutputProcessorChain outputProcessorChain) throws XMLSecurityException {
this.signerOutputStream = new SignerOutputStream(this.signatureAlgorithm);
this.bufferedSignerOutputStream = new UnsynchronizedBufferedOutputStream(this.signerOutputStream);
final String canonicalizationAlgorithm = getSecurityProperties().getSignatureCanonicalizationAlgorithm();
Map<String, Object> transformerProperties = null;