public boolean verifyEstrai(String pathBase, File pathFilesSignedd) {
boolean esito = false;
byte[] buffer = new byte[(int) pathFilesSignedd.length()];
DataInputStream in;
try {
in = new DataInputStream(new FileInputStream(pathFilesSignedd));
in.readFully(buffer);
in.close();
Security.addProvider(new BouncyCastleProvider());
CMSSignedData signature = new CMSSignedData(buffer);
SignerInformation signer =
(SignerInformation) signature.getSignerInfos().getSigners().iterator().next();
CertStore cs = signature.getCertificatesAndCRLs("Collection", "BC");
Iterator iter = cs.getCertificates(signer.getSID()).iterator();
X509Certificate certificate = (X509Certificate) iter.next();
CMSProcessable sc = signature.getSignedContent();
byte[] data = (byte[]) sc.getContent();
// Verifie la signature
// System.out.println(signer.verify(certificate, "BC"));
esito = signer.verify(certificate.getPublicKey(), "BC");
System.out.println("Verifica FILE: " + esito);
String fatturapaName =
pathFilesSignedd.getName().substring(0, pathFilesSignedd.getName().length() - 4).trim();
System.out.println(" test:" + fatturapaName);
FileOutputStream envfos = new FileOutputStream(new File(pathBase, fatturapaName));
envfos.write(data);
envfos.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return esito;
}
public byte[] getEncodedEncapsulatedData() throws IOException {
CMSProcessable content = cmsSignedData.getSignedContent();
if (content == null) return null;
return (byte[]) content.getContent();
}