public Certificate getSignerCertificate() {
try {
Collection certificateCollection =
cmsSignedData.getCertificates().getMatches(firstSignerInfo.getSID());
Iterator iterator = certificateCollection.iterator();
X509CertificateHolder certHolder = (X509CertificateHolder) iterator.next();
return CertificateFactory.getInstance("X.509", BouncyCastleProvider.PROVIDER_NAME)
.generateCertificate(new ByteArrayInputStream(certHolder.getEncoded()));
} catch (Exception e) {
log.error(Channel.TECH, "Could not extract signer certificate from CMS signature : %1$s", e);
}
return null;
}
