package?com.ufida.ehr.sso.cert;

import?java.io.BufferedInputStream;
import?java.io.FileInputStream;
import?java.io.FileOutputStream;
import?java.io.OutputStreamWriter;
import?java.io.Writer;
import?java.math.BigInteger;
import?java.nio.charset.Charset;
import?java.security.InvalidKeyException;
import?java.security.KeyPair;
import?java.security.NoSuchProviderException;
import?java.security.SecureRandom;
import?java.security.Security;
import?java.security.SignatureException;
import?java.security.cert.CertificateFactory;
import?java.security.cert.X509Certificate;
import?java.util.Date;
import?javax.security.auth.x500.X500Principal;
import?org.bouncycastle.jce.provider.BouncyCastleProvider;
import?org.bouncycastle.x509.X509V1CertificateGenerator;

/**
?*?實現對證書的操作，生成證書，獲取證書
?*?@author?Administrator
?*
?*/
public?class?CertHandlers?{
	/**
	?*?
	?*?@param?pair?密鑰對
	?*?@param?bdate?有效期
	?*?@param?edate?有效期
	?*?@param?info?證書信息
	?*?@return
	?*?@throws?Invalid

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????3948??2011-10-27?09:16??cert\CertHandlers.java

?????文件???????1402??2011-10-27?09:18??cert\KeyGen.java

?????文件????????816??2011-10-27?09:26??cert\test.java

?????目錄??????????0??2011-10-27?09:20??cert

-----------?---------??----------?-----??----

?????????????????6166????????????????????4