Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package conectors; import beans.CertDetailTransporter; import java.security.KeyStore; import java.security.KeyStoreException; import java.security.cert.X509Certificate; import keystores.*; import org.bouncycastle.asn1.x500.X500Name; /** * * @author User */ public class CertDetails { KeyStore ks = null; CertDetailTransporter details = null; public CertDetails(String alias) { getIstance(alias); } private boolean getIstance(String alias) { ks = LocalSignedCertKeyStore.getIstance(); try { X509Certificate cert = (X509Certificate) ks.getCertificate(alias); if (cert == null) { return false; } details.setSigner(new X500Name(cert.getSigAlgName())); details.setIssuer(new X500Name(cert.getIssuerX500Principal().getName())); details.setSubject(new X500Name(cert.getSubjectX500Principal().getName())); details.setValidFrom(cert.getNotBefore()); details.setValidTo(cert.getNotBefore()); details.setPubKey(cert.getPublicKey()); details.setVersion(cert.getVersion()); details.setCriticalExt(cert.getCriticalExtensionOIDs()); details.setNonCriticalExt(cert.getNonCriticalExtensionOIDs()); details.setSerialNum(cert.getSerialNumber()); details.setSigAlg(cert.getSigAlgOID()); } catch (KeyStoreException e) { e.printStackTrace(); } return true; } public CertDetailTransporter getDetails(String alias) { return details; } public String toString() { String cert = ""; cert += "Certificate:/n/tData:/n/t/tVersion: " + details.getVersion() + "/n/t/tSerial Number: " + details.getSerialNum() + "/n/t/tSigniture Algorithm: " + details.getSigAlg() + "/n/t/tIssuer: " + details.getIssuer() + "/n/t/tValidity: /n/t/t/tNot Before: " + details.getValidFrom() + "/n/t/t/tNot After: " + details.getValidTo() + "/n/t/tSubject: " + details.getSubject() + "/n/t/tSubject Public Key Info:/n/t/t/tPublic Key Algorithm: " + details.getPubKeyAlg() + "/n/t/t/tRSA Public Key: /n" + details.getPubKey() + "/nCritical Extensions: " + details.getCriticalExt() + "/nNonCritical Extensions: " + details.getNonCriticalExt() + "/nSigniture:/n" + details.getSigner(); return cert; } public static String toString(String alias) { KeyStore ks = LocalSignedCertKeyStore.getIstance(); X509Certificate cert = null; try { cert = (X509Certificate) ks.getCertificate(alias); if (cert == null) { return "EROR: NO CERTIFICATE FOUND!"; } } catch (Exception e) { } return cert.toString(); } }