package java.security.cert; import java.math.BigInteger; import java.security.Principal; import java.util.Date; public abstract class X509Certificate extends Certificate implements X509Extension { protected X509Certificate() { super("X.509"); } public abstract void checkValidity() throws CertificateExpiredException, CertificateNotYetValidException; public abstract void checkValidity(Date date) throws CertificateExpiredException, CertificateNotYetValidException; public abstract int getBasicConstraints(); public abstract Principal getIssuerDN(); public abstract boolean[] getIssuerUniqueID(); public abstract boolean[] getKeyUsage(); public abstract Date getNotAfter(); public abstract Date getNotBefore(); public abstract BigInteger getSerialNumber(); public abstract String getSigAlgName(); public abstract String getSigAlgOID(); public abstract byte[] getSigAlgParams(); public abstract byte[] getSignature(); public abstract Principal getSubjectDN(); public abstract boolean[] getSubjectUniqueID(); public abstract byte[] getTBSCertificate() throws CertificateEncodingException; public abstract int getVersion(); }