25/07/06 10:30
Antomix
Salve, qualcuno può aiutarmi???
quando decripto il messaggio mi da il seguente errore:
BadPaddingException : javax.crypto.BadPaddingException: Data must start with zero.
il codice è il seguente:
import java.net.*;
import java.io.*;
import javax.crypto.*;
import java.security.*;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import com.sun.net.ssl.internal.ssl.Provider;
import com.sun.corba.se.spi.activation.ServerManager;
import java.util.logging.LogManager;
public class DecriptoMSG {
public String Decripto (PrivateKey key, String userInput)throws Exception {
String ediString = "";
try {
Cipher desCipher = Cipher.getInstance("RSA"
System.out.println("222222= "+ desCipher.getBlockSize());
desCipher.init(Cipher.DECRYPT_MODE,key);
byte[] StringDec = (userInput).getBytes();
byte[] ediByte = desCipher.doFinal(StringDec);
ediString = new String(ediByte);
} catch (java.security.NoSuchAlgorithmException e) {
System.out.println("NoSuchAlgorithmException : " + e);
} catch (java.security.InvalidKeyException e) {
System.out.println("InvalidKeyException : " + e);
} catch (javax.crypto.IllegalBlockSizeException e) {
System.out.println("IllegalBlockSizeException : " + e);
} catch (javax.crypto.NoSuchPaddingException e) {
System.out.println("NoSuchPaddingException : " + e);
} catch (javax.crypto.BadPaddingException e) {
System.out.println("BadPaddingException : " + e);
}
return null;
}
}
Grazie 1000
quando decripto il messaggio mi da il seguente errore:
BadPaddingException : javax.crypto.BadPaddingException: Data must start with zero.
il codice è il seguente:
import java.net.*;
import java.io.*;
import javax.crypto.*;
import java.security.*;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import com.sun.net.ssl.internal.ssl.Provider;
import com.sun.corba.se.spi.activation.ServerManager;
import java.util.logging.LogManager;
public class DecriptoMSG {
public String Decripto (PrivateKey key, String userInput)throws Exception {
String ediString = "";
try {
Cipher desCipher = Cipher.getInstance("RSA"
System.out.println("222222= "+ desCipher.getBlockSize());
desCipher.init(Cipher.DECRYPT_MODE,key);
byte[] StringDec = (userInput).getBytes();
byte[] ediByte = desCipher.doFinal(StringDec);
ediString = new String(ediByte);
} catch (java.security.NoSuchAlgorithmException e) {
System.out.println("NoSuchAlgorithmException : " + e);
} catch (java.security.InvalidKeyException e) {
System.out.println("InvalidKeyException : " + e);
} catch (javax.crypto.IllegalBlockSizeException e) {
System.out.println("IllegalBlockSizeException : " + e);
} catch (javax.crypto.NoSuchPaddingException e) {
System.out.println("NoSuchPaddingException : " + e);
} catch (javax.crypto.BadPaddingException e) {
System.out.println("BadPaddingException : " + e);
}
return null;
}
}
Grazie 1000
aaa