public static synchronized List<SignatureVerification> getVerifyListInfo(byte[] b) {
		List<SignatureVerification> signatureVerifications = new ArrayList<SignatureVerification>();
		SignatureVerification sv = new SignatureVerification();
		byte[] cert = null;
		SPDocument doc = new SPDocument();
		cert = doc.VerifySignature(b);
		int i = doc.getVerifyResult();
		logger.info("VerifyService---getVerifyResult:"+i);
		if (i == 0) {
			sv.setModified(false);
		}
		if (i == 1) {
			sv.setModified(true);
		}
		if (i == 2 || i == 3) {
			sv.setModified(true);
		}
		if (cert != null) {
			sv.setX509Base64(com.itrus.util.Base64.encode(cert));
			signatureVerifications.add(sv);
		}
		return signatureVerifications;
	}

靜態方法內調用的SO庫，SO庫裏釋放內存報錯，所以加鎖，多線程測試故障消除

靜態方法加鎖