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import javax.crypto.Cipher;import javax.crypto.KeyGenerator;import javax.crypto.SecretKey;import javax.crypto.spec.IvParameterSpec;import javax.crypto 阅读全文
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public class MD5Uutils { //MD5加密,32位 public static String MD5(String str) { MessageDigest md5 = null; try { md5 = MessageDigest.getInstance("MD5"); } 阅读全文
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一 Base64加密 import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.OutputStream;public class Base64Utils { private static final 阅读全文
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二、混淆实例 1、在proguard-project.txt里面配置混淆后; 2、在project.properties中添加proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt 3.混 阅读全文