CFCA证书工具类

jar:com.cfca.pkibase-1.0.jar

import java.io.UnsupportedEncodingException; import java.security.Security;   import org.bouncycastle.jce.provider.BouncyCastleProvider; import com.cfca.util.pki.PKIException; import com.cfca.util.pki.api.CertUtil; import com.cfca.util.pki.api.KeyUtil; import com.cfca.util.pki.api.SignatureUtil; import com.cfca.util.pki.cert.X509Cert; import com.cfca.util.pki.cipher.JCrypto; import com.cfca.util.pki.cipher.JKey; import com.cfca.util.pki.cipher.Session; import com.cfca.util.pki.extension.SelfDefExtension;   /**  * <pre>  * CFCA证书工具类  * help:http://www.360doc.com/content/13/0831/06/11482448_311087429.shtml * @version:1.0  * </pre>  */ public class CFCACertSignUtils {            private static Session session = null;          private static final String ALGORITHM = SignatureUtil.SHA1_RSA;          public static final String DEFAULT_CHARSET = "UTF-8";          public static String lock = "LOCK";          public static final String YEEPAY_IDENTITY = "OU=ra.yeepay.com";          public static final String CERT_EXT_INFO = new String("1.2.86.1");            static {                    try {                             Security.addProvider(new BouncyCastleProvider());                    } catch (Exception e) {                             e.printStackTrace();                    }          }            private synchronized static void init() {                    if (session != null) {                             return;                    }                    try {