JAVA AES ECB/CBC 加解密

1. AES ECB

package org.apache.jmeter.functions;/*** @author yuyang*/import org.apache.commons.lang3.StringUtils;
import java.util.Base64;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;/*** @author heartingme* @date 2023/1/10 9:20 下午* movingbrick*/
public class AES_ECB {/*** 编码*/private static final String ENCODING = "UTF-8";/*** 算法定义*/private static final String AES_ALGORITHM = "AES";/*** 指定填充方式*/private static final String CIPHER_PADDING = "AES/ECB/PKCS5Padding";/*** AES加密** @param content 待加密内容* @param aesKey  密码* @return*/public static String encrypt(String content, String aesKey) {if (StringUtils.isBlank(content)) {return null;}//判断秘钥是否为16位if (StringUtils.isNotBlank(aesKey) && aesKey.length() == 16) {try {//对密码进行编码byte[] bytes = aesKey.getBytes(ENCODING);//设置加密算法，生成秘钥SecretKeySpec skeySpec = new SecretKeySpec(bytes, AES_ALGORITHM);// "算法/模式/补码方式"Cipher cipher = Cipher.getInstance(CIPHER_PADDING);//选择加密cipher.init(Cipher.ENCRYPT_MODE, skeySpec);//根据待加密内容生成字节数组byte[] encrypted = cipher.doFinal(content.getBytes(ENCODING));//返回base64字符串Base64.Encoder encoder = Base64.getEncoder();return encoder.encodeToString(encrypted);} catch (Exception e) {throw new RuntimeException(e);}} else {return "secret key length should be i6";}}/*** 解密** @param content 待解密内容* @param aesKey  密码* @return*/public static String decrypt(String content, String aesKey) {if (StringUtils.isBlank(content)) {return null;}//判断秘钥是否为16位if (StringUtils.isNotBlank(aesKey) && aesKey.length() == 16) {try {//对密码进行编码byte[] bytes = aesKey.getBytes(ENCODING);//设置解密算法，生成秘钥SecretKeySpec skeySpec = new SecretKeySpec(bytes, AES_ALGORITHM);// "算法/模式/补码方式"Cipher cipher = Cipher.getInstance(CIPHER_PADDING);//选择解密cipher.init(Cipher.DECRYPT_MODE, skeySpec);//先进行Base64解码Base64.Decoder decoder = Base64.getDecoder();byte[] decodeBase64 = decoder.decode(content);//根据待解密内容进行解密byte[] decrypted = cipher.doFinal(decodeBase64);//将字节数组转成字符串return new String(decrypted, ENCODING);} catch (Exception e) {throw new RuntimeException(e);}} else {return "secret key length should be i6";}}public static void main(String[] args) {// AES支持三种长度的密钥：128位、192位、256位。// 代码中这种就是128位的加密密钥，16字节 * 8位/字节 = 128位。String random = "Dig1234ctidHuma3";System.out.println("密钥key:" + random);System.out.println("---------解密---------");String decrypt = decrypt(aesResult, random);System.out.println("aes解密结果:" + decrypt);}
}

输出结果

密钥key:Dig1234ctidHuma3
---------加密---------
aes加密结果:X9kwt0EG+CmNc05gaSV1RLpP4c+6kT6LoJRI9U4o9Y/yqQ4pHae34Wl4gq9h3IvO1A8Ah8VfOqnCy2IJy09EzQ==
---------解密---------
aes解密结果:{"token":"0e84b297-d8f2-4779-b7f1-60966ed19ce1"}

2. AES CBC

package org.apache.jmeter.functions;
/*** @author heartingme* @date 2023/1/10 4:25 下午* movingbrick*/
import org.apache.commons.lang3.StringUtils;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.util.Base64;/*** @author heartingme* @date 2023/1/10 9:20 下午* movingbrick*/
public class AES_CBC {/*** 编码*/private static final String ENCODING = "UTF-8";/*** 算法定义*/private static final String AES_ALGORITHM = "AES";/*** 指定填充方式*/private static final String CIPHER_CBC_PADDING = "AES/CBC/PKCS5Padding";/*** 偏移量(CBC中使用，增强加密算法强度)*//*** AES_CBC加密** @param content 待加密内容* @param aesKey  密码* @return*/public static String encryptCBC(String content, String aesKey, String ivSeed) {if (StringUtils.isBlank(content)) {System.out.println("AES_CBC encrypt: the content is null!");return null;}//判断秘钥是否为16位if (StringUtils.isNotBlank(aesKey) && aesKey.length() == 16) {try {//对密码进行编码byte[] bytes = aesKey.getBytes(ENCODING);//设置加密算法，生成秘钥SecretKeySpec skeySpec = new SecretKeySpec(bytes, AES_ALGORITHM);// "算法/模式/补码方式"Cipher cipher = Cipher.getInstance(CIPHER_CBC_PADDING);//偏移IvParameterSpec iv = new IvParameterSpec(ivSeed.getBytes(ENCODING));//选择加密cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);//根据待加密内容生成字节数组byte[] encrypted = cipher.doFinal(content.getBytes(ENCODING));//返回base64字符串Base64.Encoder encoder = Base64.getEncoder();return encoder.encodeToString(encrypted);} catch (Exception e) {System.out.println("AES_CBC encrypt exception:" + e.getMessage());throw new RuntimeException(e);}} else {System.out.println("AES_CBC encrypt: the aesKey is null or error!");return null;}}/*** AES_CBC解密** @param content 待解密内容* @param aesKey  密码* @return*/public static String decryptCBC(String content, String aesKey, String ivSeed) {if (StringUtils.isBlank(content)) {System.out.println("AES_CBC decrypt: the content is null!");return null;}//判断秘钥是否为16位if (StringUtils.isNotBlank(aesKey) && aesKey.length() == 16) {try {//对密码进行编码byte[] bytes = aesKey.getBytes(ENCODING);//设置解密算法，生成秘钥SecretKeySpec skeySpec = new SecretKeySpec(bytes, AES_ALGORITHM);//偏移IvParameterSpec iv = new IvParameterSpec(ivSeed.getBytes(ENCODING));// "算法/模式/补码方式"Cipher cipher = Cipher.getInstance(CIPHER_CBC_PADDING);//选择解密cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);//先进行Base64解码Base64.Decoder decoder = Base64.getDecoder();byte[] decodeBase64 = decoder.decode(content);//根据待解密内容进行解密byte[] decrypted = cipher.doFinal(decodeBase64);//将字节数组转成字符串return new String(decrypted, ENCODING);} catch (Exception e) {System.out.println("AES_CBC decrypt exception:" + e.getMessage());throw new RuntimeException(e);}} else {System.out.println("AES_CBC decrypt: the aesKey is null or error!");return null;}}public static void main(String[] args) {// AES支持三种长度的密钥：128位、192位、256位。// 代码中这种就是128位的加密密钥，16字节 * 8位/字节 = 128位。String srt = "Dig1693cti23fga3";String iv_seed = "1234567829387469";System.out.println("密钥key:" + srt);System.out.println("iv:" + iv_seed);System.out.println("--------AES_CBC加密解密---------");String aes ="{\"token\":\"0e84b297-d8f2-4779-b7f1-60966ed19ce1\"}";String cbcResult = encryptCBC(aes, srt, iv_seed);System.out.println("aes_cbc加密结果:" + cbcResult);System.out.println();System.out.println("---------解密CBC---------");String cbcDecrypt = decryptCBC(cbcResult, srt, iv_seed);System.out.println("aes解密结果:" + cbcDecrypt);System.out.println();}}

输出结果

密钥key:Dig1693cti23fga3
iv:1234567829387469
--------AES_CBC加密解密---------
aes_cbc加密结果:37qW7JuF+Ck+CzAtAlxOzbUC4n0BFMUB+XirmFIHhoxcrRoQDR4fw14hvSDWaywRskjKRcSADjxLuwPKsq6fTw==---------解密CBC---------
aes解密结果:{"token":"0e84b297-d8f2-4779-b7f1-60966ed19ce1"}