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import javax.crypto.Cipher; import javax.crypto.spec.SecretKeySpec; import java.util.Base64;
/** * @author baihe */ public class AES {
/** * 加密算法 * * @param sSrc * @param sKey * @return * @throws Exception */ public static String Encrypt(String sSrc, String sKey) throws Exception { if (sKey == null) { System.out.print("Key为空null"); return null; } // 判断Key是否为16位 if (sKey.length() != 16) { System.out.print("Key长度不是16位"); return null; } byte[] raw = sKey.getBytes("utf-8"); SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES"); Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");//"算法/模式/补码方式" cipher.init(Cipher.ENCRYPT_MODE, skeySpec); byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8"));
String result = Base64.getEncoder().encodeToString(encrypted); return java.net.URLEncoder.encode(result, "UTF-8"); //此处使用BASE64做转码功能,同时能起到2次加密的作用。 }
// 解密算法 public static String Decrypt(String sSrc, String sKey) throws Exception { try { // 判断Key是否正确 if (sKey == null) { System.out.print("Key为空null"); return null; } // 判断Key是否为16位 if (sKey.length() != 16) { System.out.print("Key长度不是16位"); return null; } byte[] raw = sKey.getBytes("utf-8"); SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES"); Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); cipher.init(Cipher.DECRYPT_MODE, skeySpec); try { sSrc = java.net.URLDecoder.decode(sSrc, "UTF-8"); byte[] encrypted1 = Base64.getDecoder().decode(sSrc);//先用base64解密 byte[] original = cipher.doFinal(encrypted1); String originalString = new String(original, "utf-8"); return originalString; } catch (Exception e) { System.out.println(e.toString()); return null; } } catch (Exception ex) { System.out.println(ex.toString()); return null; } }
public static void main(String[] args) throws Exception { /* * 此处使用AES-128-ECB加密模式,key需要为16位。 */ String cKey = "WeDoct_XiangYang"; // 需要加密的字串 String cSrc = "{"doctorIdcard":"420682198102024516","doctorBelongTeamid":"84","idcard":"110101200003070236","mobile":"13910043421","name":"\u5927\u767d","type":"1","relationship":"10","relationDesc":"\u5b59\u5973","liveProvinceid":"420000000000","liveCityid":"420600000000","liveCountyid":"420682000000","liveTownshipid":"420682104000","liveVillageid":"420682104001","liveDetailAddress":"\u8944\u9633\u5e02","crowdType":"1","isTuberculosis":"0","isHypertension":"0","isDiabetes":"0","isPsychologica":"0","isDestitute":"0","isDisabilit":"0","isPoverty":"0","isFlowPeople":"1","isFiveInsured":"0","isLowInsured":"0","app_id":"xysignbaokang","app_secret":"3RDfblpUvziDOmSk"}";
System.out.println(cSrc); // 加密 String enString = AES.Encrypt(cSrc, cKey); System.out.println("加密后的字串是:" + enString);
// 解密 String DeString = AES.Decrypt(enString, cKey); System.out.println("解密后的字串是:" + DeString); } }
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