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Added PBKDF2 hash method

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Ziver Koc 2015-09-29 20:51:38 +00:00
parent 577aea998b
commit 6d1b8898c8
6 changed files with 124 additions and 31 deletions
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21
src/zutil/Hasher.java
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@ -25,6 +25,8 @@ package zutil;
import zutil.converters.Converter;
import javax.crypto.Mac;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
import java.io.*;
import java.math.BigInteger;
@ -65,7 +67,7 @@ public class Hasher {
/**
* Returns the MD5 hash of the given object
*
* @param object is the String to hash
* @param str is the String to hash
* @return an String containing the hash
*/
public static String MD5(String str){
@ -175,6 +177,23 @@ public class Hasher {
}
return null;
}
public static String PBKDF2(String data, String salt, int iterations){
try {
PBEKeySpec spec = new PBEKeySpec(
data.toCharArray(),
salt.getBytes(),
iterations,
256);
SecretKeyFactory f = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
byte[] raw = f.generateSecret(spec).getEncoded();
return Converter.toHexString(raw);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* Hashes the given String as UTF8