import javax.crypto.Cipher; import javax.crypto.spec.SecretKeySpec; import javax.xml.bind.annotation.adapters.HexBinaryAdapter; import com.jfinal.kit.PropKit; import org.apache.commons.codec.binary.Hex; /** * DES加密工具类 */ public class DesUtil { //密钥最好从配置文件获取 private static final String secretKey = "mhez2018"; /** * 加密 * @param str 需要加密的内容 * @return 加密后的数据 */ public static String encrypt(String str) { String result=""; try { byte[] encoded = secretKey.getBytes("utf8"); // 生成密钥字符串 String encodeHexString = Hex.encodeHexString(encoded); // 再把我们的字符串转变为字节数组,可以用于另一方使用,验证 byte[] decodeHex = Hex.decodeHex(encodeHexString.toCharArray()); // 生成密钥对象 SecretKeySpec secretKeySpec = new SecretKeySpec(decodeHex, "DES"); // 获取加解密实例 Cipher cipher = Cipher.getInstance("DES/ECB/NoPadding"); // 初始化加密模式 cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec); // 加密 byte[] strByte = str.getBytes(); int length = strByte.length; //加密的字节数组如果不是8的倍数要进行补位 byte[] byteTemp = new byte[length % 8 == 0?(length):((length / 8) * 8 + 8)]; System.arraycopy(strByte, 0, byteTemp, 0, length); byte[] doFinal = cipher.doFinal(byteTemp); result = new HexBinaryAdapter().marshal(doFinal); } catch (Exception e) { e.printStackTrace(); } return result; } }
DES hex加密
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Origin blog.csdn.net/peter_qyq/article/details/84658299
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