open-JSD-8690/src/main/java/com/fr/plugin/utils/SertUtils.java

package com.fr.plugin.utils;

import com.fr.base.Base64;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.security.PublicKey;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;

public class SertUtils {
    final static String str = "xxxxB64";
    static byte[] bs;
    static PublicKey statePublicKey = null;

    static {
        bs = Base64.decode(str);
    }

    public static PublicKey getSert() {
        if (statePublicKey != null) {
            return statePublicKey;
        }
        CertificateFactory cf;
        InputStream in2;
        java.security.cert.Certificate c2 = null;
        try {
            cf = CertificateFactory.getInstance("X.509");
            c2 = cf.generateCertificate(new ByteArrayInputStream(bs));
        } catch (CertificateException e) {
        }
        statePublicKey = c2.getPublicKey();
        return statePublicKey;
    }
}