//package com.megagoodsoftware.smugmug.util;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import android.util.Log;
public class SmugMugUtil {
public static String getMd5Hash(byte[] input) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(input);
return getMd5Hash(md);
} catch(NoSuchAlgorithmException e) {
Log.e("MD5", e.getMessage());
return null;
}
}
public static String getMd5Hash(String string) {
return getMd5Hash(string.getBytes());
}
public static String getMd5Hash(MessageDigest digest) {
BigInteger number = new BigInteger(1, digest.digest());
String md5 = number.toString(16);
// need to pad the hash
while (md5.length() < 32)
md5 = "0" + md5;
return md5;
}
public static String getMd5Hash(InputStream is) {
byte[] buffer = new byte[8192];
int read = 0;
try {
MessageDigest digest = MessageDigest.getInstance("MD5");
while( (read = is.read(buffer)) > 0) {
digest.update(buffer, 0, read);
}
return getMd5Hash(digest);
} catch(IOException e) {
throw new RuntimeException("Unable to process file for MD5", e);
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException("Unable to process file for MD5", e);
}
}
}