1、加密采用服务端随机生成加密因子放入session中，传入登录或注册界面（每次进入都刷新）
2、页面中引入jquery、aes.js(这个js从网上下的坑比较多，引入先后顺序不一致都会报错，所以最后只用这个改良后的版本即可，无法上传附件只能这样粘贴出js，这样忍着看吧)
!function(t,n){"object"==typeof exports?module.exports=exports=n():"function"==typeof define&&define.amd?define([],n):t.CryptoJS=n()}(this,function(){var t=t||function(t,n){var i=Object.create||function(){function t(){}return function(n){var i;return t.prototype=n,i=new t,t.prototype=null,i}}(),e={},r=e.lib={},o=r.Base=function(){return{extend:function(t){var n=i(this);return t&&n.mixIn(t),n.hasOwnProperty("init")&&this.init!==n.init||(n.init=function(){n.$super.init.apply(this,arguments)}),n.init.prototype=n,n.$super=this,n},create:function(){var t=this.extend();return t.init.apply(t,arguments),t},init:function(){},mixIn:function(t){for(var n in t)t.hasOwnProperty(n)&&(this[n]=t[n]);t.hasOwnProperty("toString")&&(this.toString=t.toString)},clone:function(){return this.init.prototype.extend(this)}}}(),s=r.WordArray=o.extend({init:function(t,i){t=this.words=t||[],i!=n?this.sigBytes=i:this.sigBytes=4*t.length},toString:function(t){return(t||c).stringify(this)},concat:function(t){var n=this.words,i=t.words,e=this.sigBytes,r=t.sigBytes;if(this.clamp(),e%4)for(var o=0;o<r;o++){var s=i[o>>>2]>>>24-o%4*8&255;n[e+o>>>2]|=s<<24-(e+o)%4*8}else for(var o=0;o<r;o+=4)n[e+o>>>2]=i[o>>>2];return this.sigBytes+=r,this},clamp:function(){var n=this.words,i=this.sigBytes;n[i>>>2]&=4294967295<<32-i%4*8,n.length=t.ceil(i/4)},clone:function(){var t=o.clone.call(this);return t.words=this.words.slice(0),t},random:function(n){for(var i,e=[],r=function(n){var n=n,i=987654321,e=4294967295;return function(){i=36969*(65535&i)+(i>>16)&e,n=18e3*(65535&n)+(n>>16)&e;var r=(i<<16)+n&e;return r/=4294967296,r+=.5,r*(t.random()>.5?1:-1)}},o=0;o<n;o+=4){var a=r(4294967296*(i||t.random()));i=987654071*a(),e.push(4294967296*a()|0)}return new s.init(e,n)}}),a=e.enc={},c=a.Hex={stringify:function(t){for(var n=t.words,i=t.sigBytes,e=[],r=0;r<i;r++){var o=n[r>>>2]>>>24-r%4*8&255;e.push((o>>>4).toString(16)),e.push((15&o).toString(16))}return e.join("")},parse:function(t){for(var n=t.length,i=[],e=0;e<n;e+=2)i[e>>>3]|=parseInt(t.substr(e,2),16)<<24-e%8*4;return new s.init(i,n/2)}},u=a.Latin1={stringify:function(t){for(var n=t.words,i=t.sigBytes,e=[],r=0;r<i;r++){var o=n[r>>>2]>>>24-r%4*8&255;e.push(String.fromCharCode(o))}return e.join("")},parse:function(t){for(var n=t.length,i=[],e=0;e<n;e++)i[e>>>2]|=(255&t.charCodeAt(e))<<24-e%4*8;return new s.init(i,n)}},f=a.Utf8={stringify:function(t){try{return decodeURIComponent(escape(u.stringify(t)))}catch(t){throw new Error("Malformed UTF-8 data")}},parse:function(t){return u.parse(unescape(encodeURIComponent(t)))}},h=r.BufferedBlockAlgorithm=o.extend({reset:function(){this._data=new s.init,this._nDataBytes=0},_append:function(t){"string"==typeof t&&(t=f.parse(t)),this._data.concat(t),this._nDataBytes+=t.sigBytes},_process:function(n){var i=this._data,e=i.words,r=i.sigBytes,o=this.blockSize,a=4*o,c=r/a;c=n?t.ceil(c):t.max((0|c)-this._minBufferSize,0);var u=c*o,f=t.min(4*u,r);if(u){for(var h=0;h<u;h+=o)this._doProcessBlock(e,h);var p=e.splice(0,u);i.sigBytes-=f}return new s.init(p,f)},clone:function(){var t=o.clone.call(this);return t._data=this._data.clone(),t},_minBufferSize:0}),p=(r.Hasher=h.extend({cfg:o.extend(),init:function(t){this.cfg=this.cfg.extend(t),this.reset()},reset:function(){h.reset.call(this),this._doReset()},update:function(t){return this._append(t),this._process(),this},finalize:function(t){t&&this._append(t);var n=this._doFinalize();return n},blockSize:16,_createHelper:function(t){return function(n,i){return new t.init(i).finalize(n)}},_createHmacHelper:function(t){return function(n,i){return new p.HMAC.init(t,i).finalize(n)}}}),e.algo={});return e}(Math);return t}); //# sourceMappingURL=core.min.js.map !function(e,t,i){"object"==typeof exports?module.exports=exports=t(require("./core.min"),require("./sha1.min"),require("./hmac.min")):"function"==typeof define&&define.amd?define(["./core.min","./sha1.min","./hmac.min"],t):t(e.CryptoJS)}(this,function(e){return function(){var t=e,i=t.lib,r=i.Base,n=i.WordArray,o=t.algo,a=o.MD5,c=o.EvpKDF=r.extend({cfg:r.extend({keySize:4,hasher:a,iterations:1}),init:function(e){this.cfg=this.cfg.extend(e)},compute:function(e,t){for(var i=this.cfg,r=i.hasher.create(),o=n.create(),a=o.words,c=i.keySize,f=i.iterations;a.length<c;){s&&r.update(s);var s=r.update(e).finalize(t);r.reset();for(var u=1;u<f;u++)s=r.finalize(s),r.reset();o.concat(s)}return o.sigBytes=4*c,o}});t.EvpKDF=function(e,t,i){return c.create(i).compute(e,t)}}(),e.EvpKDF}); //# sourceMappingURL=evpkdf.min.js.map !function(r,e){"object"==typeof exports?module.exports=exports=e(require("./core.min")):"function"==typeof define&&define.amd?define(["./core.min"],e):e(r.CryptoJS)}(this,function(r){return function(){function e(r,e,t){for(var n=[],i=0,o=0;o<e;o++)if(o%4){var f=t[r.charCodeAt(o-1)]<<o%4*2,c=t[r.charCodeAt(o)]>>>6-o%4*2;n[i>>>2]|=(f|c)<<24-i%4*8,i++}return a.create(n,i)}var t=r,n=t.lib,a=n.WordArray,i=t.enc;i.Base64={stringify:function(r){var e=r.words,t=r.sigBytes,n=this._map;r.clamp();for(var a=[],i=0;i<t;i+=3)for(var o=e[i>>>2]>>>24-i%4*8&255,f=e[i+1>>>2]>>>24-(i+1)%4*8&255,c=e[i+2>>>2]>>>24-(i+2)%4*8&255,s=o<<16|f<<8|c,h=0;h<4&&i+.75*h<t;h++)a.push(n.charAt(s>>>6*(3-h)&63));var p=n.charAt(64);if(p)for(;a.length%4;)a.push(p);return a.join("")},parse:function(r){var t=r.length,n=this._map,a=this._reverseMap;if(!a){a=this._reverseMap=[];for(var i=0;i<n.length;i++)a[n.charCodeAt(i)]=i}var o=n.charAt(64);if(o){var f=r.indexOf(o);f!==-1&&(t=f)}return e(r,t,a)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="}}(),r.enc.Base64}); //# sourceMappingURL=enc-base64.min.js.map !function(e,t,r){"object"==typeof exports?module.exports=exports=t(require("./core.min"),require("./evpkdf.min")):"function"==typeof define&&define.amd?define(["./core.min","./evpkdf.min"],t):t(e.CryptoJS)}(this,function(e){e.lib.Cipher||function(t){var r=e,i=r.lib,n=i.Base,c=i.WordArray,o=i.BufferedBlockAlgorithm,s=r.enc,a=(s.Utf8,s.Base64),f=r.algo,p=f.EvpKDF,d=i.Cipher=o.extend({cfg:n.extend(),createEncryptor:function(e,t){return this.create(this._ENC_XFORM_MODE,e,t)},createDecryptor:function(e,t){return this.create(this._DEC_XFORM_MODE,e,t)},init:function(e,t,r){this.cfg=this.cfg.extend(r),this._xformMode=e,this._key=t,this.reset()},reset:function(){o.reset.call(this),this._doReset()},process:function(e){return this._append(e),this._process()},finalize:function(e){e&&this._append(e);var t=this._doFinalize();return t},keySize:4,ivSize:4,_ENC_XFORM_MODE:1,_DEC_XFORM_MODE:2,_createHelper:function(){function e(e){return"string"==typeof e?B:x}return function(t){return{encrypt:function(r,i,n){return e(i).encrypt(t,r,i,n)},decrypt:function(r,i,n){return e(i).decrypt(t,r,i,n)}}}}()}),h=(i.StreamCipher=d.extend({_doFinalize:function(){var e=this._process(!0);return e},blockSize:1}),r.mode={}),u=i.BlockCipherMode=n.extend({createEncryptor:function(e,t){return this.Encryptor.create(e,t)},createDecryptor:function(e,t){return this.Decryptor.create(e,t)},init:function(e,t){this._cipher=e,this._iv=t}}),l=h.CBC=function(){function e(e,r,i){var n=this._iv;if(n){var c=n;this._iv=t}else var c=this._prevBlock;for(var o=0;o<i;o++)e[r+o]^=c[o]}var r=u.extend();return r.Encryptor=r.extend({processBlock:function(t,r){var i=this._cipher,n=i.blockSize;e.call(this,t,r,n),i.encryptBlock(t,r),this._prevBlock=t.slice(r,r+n)}}),r.Decryptor=r.extend({processBlock:function(t,r){var i=this._cipher,n=i.blockSize,c=t.slice(r,r+n);i.decryptBlock(t,r),e.call(this,t,r,n),this._prevBlock=c}}),r}(),_=r.pad={},v=_.Pkcs7={pad:function(e,t){for(var r=4*t,i=r-e.sigBytes%r,n=i<<24|i<<16|i<<8|i,o=[],s=0;s<i;s+=4)o.push(n);var a=c.create(o,i);e.concat(a)},unpad:function(e){var t=255&e.words[e.sigBytes-1>>>2];e.sigBytes-=t}},y=(i.BlockCipher=d.extend({cfg:d.cfg.extend({mode:l,padding:v}),reset:function(){d.reset.call(this);var e=this.cfg,t=e.iv,r=e.mode;if(this._xformMode==this._ENC_XFORM_MODE)var i=r.createEncryptor;else{var i=r.createDecryptor;this._minBufferSize=1}this._mode&&this._mode.__creator==i?this._mode.init(this,t&&t.words):(this._mode=i.call(r,this,t&&t.words),this._mode.__creator=i)},_doProcessBlock:function(e,t){this._mode.processBlock(e,t)},_doFinalize:function(){var e=this.cfg.padding;if(this._xformMode==this._ENC_XFORM_MODE){e.pad(this._data,this.blockSize);var t=this._process(!0)}else{var t=this._process(!0);e.unpad(t)}return t},blockSize:4}),i.CipherParams=n.extend({init:function(e){this.mixIn(e)},toString:function(e){return(e||this.formatter).stringify(this)}})),m=r.format={},k=m.OpenSSL={stringify:function(e){var t=e.ciphertext,r=e.salt;if(r)var i=c.create([1398893684,1701076831]).concat(r).concat(t);else var i=t;return i.toString(a)},parse:function(e){var t=a.parse(e),r=t.words;if(1398893684==r[0]&&1701076831==r[1]){var i=c.create(r.slice(2,4));r.splice(0,4),t.sigBytes-=16}return y.create({ciphertext:t,salt:i})}},x=i.SerializableCipher=n.extend({cfg:n.extend({format:k}),encrypt:function(e,t,r,i){i=this.cfg.extend(i);var n=e.createEncryptor(r,i),c=n.finalize(t),o=n.cfg;return y.create({ciphertext:c,key:r,iv:o.iv,algorithm:e,mode:o.mode,padding:o.padding,blockSize:e.blockSize,formatter:i.format})},decrypt:function(e,t,r,i){i=this.cfg.extend(i),t=this._parse(t,i.format);var n=e.createDecryptor(r,i).finalize(t.ciphertext);return n},_parse:function(e,t){return"string"==typeof e?t.parse(e,this):e}}),g=r.kdf={},S=g.OpenSSL={execute:function(e,t,r,i){i||(i=c.random(8));var n=p.create({keySize:t+r}).compute(e,i),o=c.create(n.words.slice(t),4*r);return n.sigBytes=4*t,y.create({key:n,iv:o,salt:i})}},B=i.PasswordBasedCipher=x.extend({cfg:x.cfg.extend({kdf:S}),encrypt:function(e,t,r,i){i=this.cfg.extend(i);var n=i.kdf.execute(r,e.keySize,e.ivSize);i.iv=n.iv;var c=x.encrypt.call(this,e,t,n.key,i);return c.mixIn(n),c},decrypt:function(e,t,r,i){i=this.cfg.extend(i),t=this._parse(t,i.format);var n=i.kdf.execute(r,e.keySize,e.ivSize,t.salt);i.iv=n.iv;var c=x.decrypt.call(this,e,t,n.key,i);return c}})}()}); //# sourceMappingURL=cipher-core.min.js.map !function(e,i){"object"==typeof exports?module.exports=exports=i(require("./core.min")):"function"==typeof define&&define.amd?define(["./core.min"],i):i(e.CryptoJS)}(this,function(e){!function(){var i=e,t=i.lib,n=t.Base,s=i.enc,r=s.Utf8,o=i.algo;o.HMAC=n.extend({init:function(e,i){e=this._hasher=new e.init,"string"==typeof i&&(i=r.parse(i));var t=e.blockSize,n=4*t;i.sigBytes>n&&(i=e.finalize(i)),i.clamp();for(var s=this._oKey=i.clone(),o=this._iKey=i.clone(),a=s.words,f=o.words,c=0;c<t;c++)a[c]^=1549556828,f[c]^=909522486;s.sigBytes=o.sigBytes=n,this.reset()},reset:function(){var e=this._hasher;e.reset(),e.update(this._iKey)},update:function(e){return this._hasher.update(e),this},finalize:function(e){var i=this._hasher,t=i.finalize(e);i.reset();var n=i.finalize(this._oKey.clone().concat(t));return n}})}()}); //# sourceMappingURL=hmac.min.js.map !function(e,o,r){"object"==typeof exports?module.exports=exports=o(require("./core.min"),require("./cipher-core.min")):"function"==typeof define&&define.amd?define(["./core.min","./cipher-core.min"],o):o(e.CryptoJS)}(this,function(e){return e.mode.ECB=function(){var o=e.lib.BlockCipherMode.extend();return o.Encryptor=o.extend({processBlock:function(e,o){this._cipher.encryptBlock(e,o)}}),o.Decryptor=o.extend({processBlock:function(e,o){this._cipher.decryptBlock(e,o)}}),o}(),e.mode.ECB}); //# sourceMappingURL=mode-ecb.min.js.map !function(e,r,i){"object"==typeof exports?module.exports=exports=r(require("./core.min"),require("./cipher-core.min")):"function"==typeof define&&define.amd?define(["./core.min","./cipher-core.min"],r):r(e.CryptoJS)}(this,function(e){return e.pad.Pkcs7}); //# sourceMappingURL=pad-pkcs7.min.js.map !function(e,r,i){"object"==typeof exports?module.exports=exports=r(require("./core.min"),require("./enc-base64.min"),require("./md5.min"),require("./evpkdf.min"),require("./cipher-core.min")):"function"==typeof define&&define.amd?define(["./core.min","./enc-base64.min","./md5.min","./evpkdf.min","./cipher-core.min"],r):r(e.CryptoJS)}(this,function(e){return function(){var r=e,i=r.lib,n=i.BlockCipher,o=r.algo,t=[],c=[],s=[],f=[],a=[],d=[],u=[],v=[],h=[],y=[];!function(){for(var e=[],r=0;r<256;r++)r<128?e[r]=r<<1:e[r]=r<<1^283;for(var i=0,n=0,r=0;r<256;r++){var o=n^n<<1^n<<2^n<<3^n<<4;o=o>>>8^255&o^99,t[i]=o,c[o]=i;var p=e[i],l=e[p],_=e[l],k=257*e[o]^16843008*o;s[i]=k<<24|k>>>8,f[i]=k<<16|k>>>16,a[i]=k<<8|k>>>24,d[i]=k;var k=16843009*_^65537*l^257*p^16843008*i;u[o]=k<<24|k>>>8,v[o]=k<<16|k>>>16,h[o]=k<<8|k>>>24,y[o]=k,i?(i=p^e[e[e[_^p]]],n^=e[e[n]]):i=n=1}}();var p=[0,1,2,4,8,16,32,64,128,27,54],l=o.AES=n.extend({_doReset:function(){if(!this._nRounds||this._keyPriorReset!==this._key){for(var e=this._keyPriorReset=this._key,r=e.words,i=e.sigBytes/4,n=this._nRounds=i+6,o=4*(n+1),c=this._keySchedule=[],s=0;s<o;s++)if(s<i)c[s]=r[s];else{var f=c[s-1];s%i?i>6&&s%i==4&&(f=t[f>>>24]<<24|t[f>>>16&255]<<16|t[f>>>8&255]<<8|t[255&f]):(f=f<<8|f>>>24,f=t[f>>>24]<<24|t[f>>>16&255]<<16|t[f>>>8&255]<<8|t[255&f],f^=p[s/i|0]<<24),c[s]=c[s-i]^f}for(var a=this._invKeySchedule=[],d=0;d<o;d++){var s=o-d;if(d%4)var f=c[s];else var f=c[s-4];d<4||s<=4?a[d]=f:a[d]=u[t[f>>>24]]^v[t[f>>>16&255]]^h[t[f>>>8&255]]^y[t[255&f]]}}},encryptBlock:function(e,r){this._doCryptBlock(e,r,this._keySchedule,s,f,a,d,t)},decryptBlock:function(e,r){var i=e[r+1];e[r+1]=e[r+3],e[r+3]=i,this._doCryptBlock(e,r,this._invKeySchedule,u,v,h,y,c);var i=e[r+1];e[r+1]=e[r+3],e[r+3]=i},_doCryptBlock:function(e,r,i,n,o,t,c,s){for(var f=this._nRounds,a=e[r]^i[0],d=e[r+1]^i[1],u=e[r+2]^i[2],v=e[r+3]^i[3],h=4,y=1;y<f;y++){var p=n[a>>>24]^o[d>>>16&255]^t[u>>>8&255]^c[255&v]^i[h++],l=n[d>>>24]^o[u>>>16&255]^t[v>>>8&255]^c[255&a]^i[h++],_=n[u>>>24]^o[v>>>16&255]^t[a>>>8&255]^c[255&d]^i[h++],k=n[v>>>24]^o[a>>>16&255]^t[d>>>8&255]^c[255&u]^i[h++];a=p,d=l,u=_,v=k}var p=(s[a>>>24]<<24|s[d>>>16&255]<<16|s[u>>>8&255]<<8|s[255&v])^i[h++],l=(s[d>>>24]<<24|s[u>>>16&255]<<16|s[v>>>8&255]<<8|s[255&a])^i[h++],_=(s[u>>>24]<<24|s[v>>>16&255]<<16|s[a>>>8&255]<<8|s[255&d])^i[h++],k=(s[v>>>24]<<24|s[a>>>16&255]<<16|s[d>>>8&255]<<8|s[255&u])^i[h++];e[r]=p,e[r+1]=l,e[r+2]=_,e[r+3]=k},keySize:8});r.AES=n._createHelper(l)}(),e.AES}); //# sourceMappingURL=aes.min.js.map !function(e,n){"object"==typeof exports?module.exports=exports=n(require("./core.min")):"function"==typeof define&&define.amd?define(["./core.min"],n):n(e.CryptoJS)}(this,function(e){return e.enc.Utf8}); //# sourceMappingURL=enc-utf8.min.js.map
3、具体加密 encrypt.js
1 function encrypt(word){ 2 //按照自己页面模板取出session中的加密因子（thymeleaf中如下取得） 3 var sessionSalt = [[${session.salt}]]; 4 var key = CryptoJS.enc.Utf8.parse(sessionSalt); 5 var srcs = CryptoJS.enc.Utf8.parse(word); 6 var encrypted = CryptoJS.AES.encrypt(srcs, key, {mode:CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7}); 7 return encrypted.toString(); 8 }
4、pom依赖
<dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.10</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.4</version> </dependency>
5、随机生成加密因子工具类GenerateRandomKeyUtil.java
import java.util.Random; public class GenerateRandomKeyUtil { public static String getRandomKey(int length) { String base = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789/=+"; Random random = new Random(); StringBuffer sb = new StringBuffer(); for (int i = 0; i < length; i++) { int number = random.nextInt(base.length()); sb.append(base.charAt(number)); } return sb.toString(); } }
6、解密工具类AesUtil.java
import org.apache.commons.codec.binary.Base64; import org.apache.commons.lang3.StringUtils; import sun.misc.BASE64Decoder; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.spec.SecretKeySpec;
import java.security.SecureRandom; public class AesUtil { private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding"; /** * base 64 encode * @param bytes 待编码的byte[] * @return 编码后的base 64 code */ public static String base64Encode(byte[] bytes){ return Base64.encodeBase64String(bytes); } /** * base 64 decode * @param base64Code 待解码的base 64 code * @return 解码后的byte[] * @throws Exception */ public static byte[] base64Decode(String base64Code) throws Exception{ return StringUtils.isEmpty(base64Code) ? null : new BASE64Decoder().decodeBuffer(base64Code); } /** * AES加密 * @param content 待加密的内容 * @param encryptKey 加密密钥 * @return 加密后的byte[] * @throws Exception */ public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception {
SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
secureRandom.setSeed(encryptKey.getBytes()); KeyGenerator kgen = KeyGenerator.getInstance("AES"); kgen.init(128, secureRandom); Cipher cipher = Cipher.getInstance(ALGORITHMSTR); cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes(), "AES")); return cipher.doFinal(content.getBytes("utf-8")); } /** * AES加密为base 64 code * @param content 待加密的内容 * @param encryptKey 加密密钥 * @return 加密后的base 64 code * @throws Exception */ public static String aesEncrypt(String content, String encryptKey) throws Exception { return base64Encode(aesEncryptToBytes(content, encryptKey)); } /** * AES解密 * @param encryptBytes 待解密的byte[] * @param decryptKey 解密密钥 * @return 解密后的String * @throws Exception */ public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) throws Exception {
SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
secureRandom.setSeed(decryptKey.getBytes()); KeyGenerator kgen = KeyGenerator.getInstance("AES"); kgen.init(128, secureRandom); Cipher cipher = Cipher.getInstance(ALGORITHMSTR); cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptKey.getBytes(), "AES")); byte[] decryptBytes = cipher.doFinal(encryptBytes); return new String(decryptBytes); } /** * 将base 64 code AES解密 * @param encryptStr 待解密的base 64 code * @param decryptKey 解密密钥 * @return 解密后的string * @throws Exception */ public static String aesDecrypt(String encryptStr, String decryptKey) throws Exception { return StringUtils.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), decryptKey); } /** * 测试 */ public static void main(String[] args) throws Exception {
String sessionSalt = GenerateRandomKeyUtil.getRandomKey(16); String content = "admin"; System.out.println("加密前：" + content); System.out.println("加密密钥和解密密钥：" + sessionSalt); String encrypt = aesEncrypt(content, sessionSalt); System.out.println("加密后：" + encrypt); String decrypt = aesDecrypt(encrypt, sessionSalt); System.out.println("解密后：" + decrypt); } }