I am getting an error when I compile it by the tomcat9 server :
SEVERE: Servlet.service() for servlet [sign_in] in context with path [/Eduinq123] threw exception [Servlet execution threw an exception] with root cause java.lang.Error: Unresolved compilation problem: sun.misc.BASE64Decoder cannot be resolved to a type
package encryption;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;
public class Encryption_Class {
Cipher ecipher;
Cipher dcipher;
private String key="eleaon8547";
public String getKey()
{
return key;
}
// 8-byte Salt
byte[] salt = {
(byte) 0xA9, (byte) 0x9B, (byte) 0xC8, (byte) 0x32,
(byte) 0x56, (byte) 0x35, (byte) 0xE3, (byte) 0x03
};
// Iteration count
int iterationCount = 19;
public Encryption_Class() {
}
/**
*
* @param secretKey Key used to encrypt data
* @param plainText Text input to be encrypted
* @return Returns encrypted text
*
*/
public String encrypt(String secretKey, String plainText)
throws NoSuchAlgorithmException,
InvalidKeySpecException,
NoSuchPaddingException,
InvalidKeyException,
InvalidAlgorithmParameterException,
UnsupportedEncodingException,
IllegalBlockSizeException,
BadPaddingException{
//Key generation for enc and desc
KeySpec keySpec = new PBEKeySpec(secretKey.toCharArray(), salt, iterationCount);
SecretKey key = SecretKeyFactory.getInstance("PBEWithMD5AndDES").generateSecret(keySpec);
// Prepare the parameter to the ciphers
AlgorithmParameterSpec paramSpec = new PBEParameterSpec(salt, iterationCount);
//Enc process
ecipher = Cipher.getInstance(key.getAlgorithm());
ecipher.init(Cipher.ENCRYPT_MODE, key, paramSpec);
String charSet="UTF-8";
byte[] in = plainText.getBytes(charSet);
byte[] out = ecipher.doFinal(in);
String encStr=new sun.misc.BASE64Encoder().encode(out);//Here I get error.
return encStr;
}
/**
* @param secretKey Key used to decrypt data
* @param encryptedText encrypted text input to decrypt
* @return Returns plain text after decryption
*/
public String decrypt(String secretKey, String encryptedText)
throws NoSuchAlgorithmException,
InvalidKeySpecException,
NoSuchPaddingException,
InvalidKeyException,
InvalidAlgorithmParameterException,
UnsupportedEncodingException,
IllegalBlockSizeException,
BadPaddingException,
IOException{
//Key generation for enc and desc
KeySpec keySpec = new PBEKeySpec(secretKey.toCharArray(), salt, iterationCount);
SecretKey key = SecretKeyFactory.getInstance("PBEWithMD5AndDES").generateSecret(keySpec);
// Prepare the parameter to the ciphers
AlgorithmParameterSpec paramSpec = new PBEParameterSpec(salt, iterationCount);
//Decryption process; same key will be used for decr
dcipher=Cipher.getInstance(key.getAlgorithm());
dcipher.init(Cipher.DECRYPT_MODE, key,paramSpec);
byte[] enc = new sun.misc.BASE64Decoder().decodeBuffer(encryptedText); // Here I get error in eclipse id.
byte[] utf8 =dcipher.doFinal(enc);
String charSet="UTF-8";
String plainStr = new String(utf8, charSet);
return plainStr;
}
}
What should I do to overcome, any help appreciated. Thanks
