Android Open Source - FrameLite Encryption Utils

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.miku.framelite.utils;
//from  ww  w .ja  v  a 2s.c  o m
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class EncryptionUtils {
  // ????
  private final static char[] DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };

  // ?????????16????
  private static String byteToString(byte[] bByte) {
    char[] str = new char[32];
    for (int i = 0, j = 0; i < 16; i++) {
      byte b = bByte[i];
      str[j++] = DIGITS[b >>> 4 & 0xf];
      str[j++] = DIGITS[b & 0xf];
    }
    return new String(str);
  }

  public static String encryptMD5(String str) {
    String resultString = null;
    try {
      resultString = new String(str);
      MessageDigest md = MessageDigest.getInstance("MD5");
      // md.digest() ???????????????byte??
      resultString = byteToString(md.digest(str.getBytes()));
    } catch (NoSuchAlgorithmException ex) {
      ex.printStackTrace();
    }
    return resultString;
  }
}

Java Source Code List

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