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byte[] data = 
Files.readAllBytes(Paths.get("PATH_TO_SIGNATURE"));

// Cades Signature
AlgorithmChecker checker = new AlgorithmChecker
.ACBuilder(DigitalSignature.CAdES, data)
.build();
DigestAlgorithm algorithm = checker.getAlgorithm();

String name = algorithm.getName();
String javaName = algorithm.getJavaName();
String oid = algorithm.getOid();
String xml = algorithm.getUri();