我从密钥库浏览器读取证书,获取私钥有一些问题,但公钥变得完美。以下是代码:
KeyStore keystore1 = KeyStore.getInstance("Windows-MY");
keystore1.load(null, null);
if (keystore1 != null) {
Enumeration<String> enumeration = keystore1.aliases();
while (enumeration.hasMoreElements()) {
String alias = enumeration.nextElement();
if (alias.equals("myalias")) {
char[] keypwd = "123456".toCharArray();
KeyStore.PrivateKeyEntry keyEnt = (KeyStore.PrivateKeyEntry) keystore1.getEntry(alias, new KeyStore.PasswordProtection(keypwd));
System.out.println("getPublicKey: " + keyEnt.getCertificate().getPublicKey().getEncoded());
//show RSAPrivateKey [size=2048 bits, type=Exchange, container={5089EC94-FF45-4339-ACCF-E6ECCCB16899}]
System.out.println("privateKey111: " + keyEnt.getPrivateKey());
}
}
}
公钥输出正确,但私钥如下所示:
RSAPrivateKey [size=2048 bits, type=Exchange, container={5089EC94-FF45-4339-ACCF-E6ECCCB16899}]
密码正确。我怎样才能获得私钥?
答案 0 :(得分:0)
这是我使用的私钥导出器,它读取JKS密钥库,也许你可以以某种方式首先转换密钥库或相应地修改你的代码。
c:\ test&gt; java -classes ./classes ExportPrivateKey mystore.ks JKS mystorepwd myalias mycert_priv.crt
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.security.Key;
import java.security.KeyPair;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.UnrecoverableKeyException;
import java.security.cert.Certificate;
import sun.misc.BASE64Encoder;
public class ExportPrivateKey {
private File keystoreFile;
private String keyStoreType;
private char[] password;
private String alias;
private File exportedFile;
public static KeyPair getPrivateKey(KeyStore keystore, String alias, char[] password) {
try {
Key key=keystore.getKey(alias,password);
if(key instanceof PrivateKey) {
Certificate cert=keystore.getCertificate(alias);
PublicKey publicKey=cert.getPublicKey();
return new KeyPair(publicKey,(PrivateKey)key);
}
} catch (UnrecoverableKeyException e) {
} catch (NoSuchAlgorithmException e) {
} catch (KeyStoreException e) { }
return null;
}
public void export() throws Exception{
KeyStore keystore=KeyStore.getInstance(keyStoreType);
BASE64Encoder encoder=new BASE64Encoder();
keystore.load(new FileInputStream(keystoreFile),password);
KeyPair keyPair=getPrivateKey(keystore,alias,password);
PrivateKey privateKey=keyPair.getPrivate();
String encoded=encoder.encode(privateKey.getEncoded());
FileWriter fw=new FileWriter(exportedFile);
fw.write(“—–BEGIN PRIVATE KEY—–\n“);
fw.write(encoded);
fw.write(“\n“);
fw.write(“—–END PRIVATE KEY—–”);
fw.close();
}
public static void main(String args[]) throws Exception{
ExportPrivateKey export=new ExportPrivateKey();
export.keystoreFile=new File(args[0]);
export.keyStoreType=args[1];
export.password=args[2].toCharArray();
export.alias=args[3];
export.exportedFile=new File(args[4]);
export.export();
}
}