certs.addAll(getSignerCertificates(signatureFile, certificates));
certs.addAll(getSignerCertificates(signatureFile, certificates));
certs.addAll(getSignerCertificates(signatureFile, certificates));
certs.addAll(getSignerCertificates(signatureFile, certificates));
certs.addAll(getSignerCertificates(signatureFile, certificates));
certs.addAll(getSignerCertificates(signatureFile, certificates));
certs.addAll(getSignerCertificates(signatureFile, certificates));