第245万个博主

SHA1同MD5算法都可以用于防篡改签名 import java.io.*; import java.nio.MappedByteBuffer; import java.nio.channels.FileChannel; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; /*...

import org.apache.commons.lang.StringUtils; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto...

import java.security.MessageDigest; public class Md5 { public final static String MD5(String s) { char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D...

Java代码 import org.apache.commons.codec.binary.Base64; import org.apache.commons.io.IOUtils; import javax.crypto.Cipher; import java.io.ByteArrayOutputStream; import java.security.*; import java.sec...