JSP获取数字证书相关信息

SSL加密通道获得数字证书相干信息

X509Certificate[] certs = (X509Certificate[]) request.getAttribute("javax.servlet.request.X509Certificate");
try {
	certs[0].checkValidity(); //检讨证书的有效期
			
	for (X509Certificate cert : certs) {
		System.out.println("版本：\t" + cert.getVersion());
		System.out.println("序列号： \t" + cert.getSerialNumber());
		System.out.println("公布者： \t" + cert.getIssuerDN().getName());
		System.out.println("应用者(主题项)： \t" + cert.getSubjectDN().getName());
		System.out.println("签名算法： \t" + cert.getSigAlgName());
		System.out.println("证书类型： \t" + cert.getType());
		System.out.println("有效期从： \t" + cert.getNotBefore());
		System.out.println("至： \t" + cert.getNotAfter());
	}
} catch (CertificateExpiredException e) {
	e.printStackTrace();
} catch (CertificateNotYetValidException e) {
	e.printStackTrace();
}X509Certificate[] certs = (X50