1.SM所需包
pom
<!--sm加密--><dependency><groupId>org.bouncycastle</groupId><artifactId>bcprov-jdk15on</artifactId><version>1.69</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.76</version></dependency>2.服务器加密工具类
import com.alibaba.fastjson.JSONObject;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.pqc.math.linearalgebra.ByteUtils;import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;
import java.security.Key;
import java.security.SecureRandom;
import java.security.Security;
import java.util.Arrays;
/*** sm4加密解密* CBC、ECB模式* @author wzk**/
@SuppressWarnings("restriction")
public class Sm4Utils {public static final String ENCODING = "UTF-8";public static final String ALGORIGTHM_NAME = "SM4";public static final String ALGORITHM_NAME_ECB_PADDING = "SM4/ECB/PKCS7Padding";public static final int DEFAULT_KEY_SIZE = 128;public Sm4Utils() {}static {Security.addProvider(new BouncyCastleProvider());}/*** @Description:生成ecb暗号*/private static Cipher generateEcbCipher(String algorithmName, int mode, byte[] key) throws Exception {Cipher cipher = Cipher.getInstance(algorithmName,BouncyCastleProvider.PROVIDER_NAME);Key sm4Key = new SecretKeySpec(key, ALGORIGTHM_NAME);cipher.init(mode, sm4Key);return cipher;}/*** @Description:自动生成密钥*/public static byte[] generateKey() throws Exception {return generateKey(DEFAULT_KEY_SIZE);}public static byte[] generateKey(int keySize) throws Exception {KeyGenerator kg = KeyGenerator.getInstance(ALGORIGTHM_NAME, BouncyCastleProvider.PROVIDER_NAME);kg.init(keySize, new SecureRandom());return kg.generateKey().getEncoded();}/*** @Description:加密*/public static String encryptEcb(String hexKey, String paramStr, String charset) throws Exception {String cipherText = "";if (null != paramStr && !"".equals(paramStr)) {byte[] keyData = ByteUtils.fromHexString(hexKey);charset = charset.trim();if (charset.length() <= 0) {charset = ENCODING;}byte[] srcData = paramStr.getBytes(charset);byte[] cipherArray = encryptEcbPadding(keyData, srcData);cipherText = ByteUtils.toHexString(cipherArray);}return cipherText;}/*** @Description:加密*/public static String encryptEcb(String hexKey, String paramStr) throws Exception {String cipherText = "";if (null != paramStr && !"".equals(paramStr)) {byte[] keyData = ByteUtils.fromHexString(hexKey);byte[] srcData = paramStr.getBytes(ENCODING);byte[] cipherArray = encryptEcbPadding(keyData, srcData);cipherText = ByteUtils.toHexString(cipherArray);}return cipherText;}/*** @Description:加密模式之ecb*/public static byte[] encryptEcbPadding(byte[] key, byte[] data) throws Exception {Cipher cipher = generateEcbCipher(ALGORITHM_NAME_ECB_PADDING, Cipher.ENCRYPT_MODE, key);byte[] bs = cipher.doFinal(data);return bs;}/*** @Description:sm4解密*/public static String decryptEcb(String hexKey, String cipherText, String charset) throws Exception {byte[] keyData = ByteUtils.fromHexString(hexKey);byte[] cipherData = ByteUtils.fromHexString(cipherText);byte[] srcData = decrypt_Ecb_Padding(keyData, cipherData);charset = charset.trim();if (charset.length() <= 0) {charset = ENCODING;}return new String(srcData, charset);}/*** @Description:sm4解密*/public static byte[] decryptEcb(String hexKey, String cipherText) throws Exception {byte[] keyData = ByteUtils.fromHexString(hexKey);byte[] cipherData = ByteUtils.fromHexString(cipherText);byte[] srcData = decrypt_Ecb_Padding(keyData, cipherData);return srcData;}/*** @Description:sm4解密*/public static <T> T decryptEcb(String hexKey, String cipherText, String charset , Class<T> tClass) throws Exception {byte[] keyData = ByteUtils.fromHexString(hexKey);byte[] cipherData = ByteUtils.fromHexString(cipherText);byte[] srcData = decrypt_Ecb_Padding(keyData, cipherData);charset = charset.trim();if (charset.length() <= 0) {charset = ENCODING;}return JSONObject.parseObject(new String(srcData, charset) , tClass);}/*** @Description:sm4解密*/public static <T> T decryptEcb(String hexKey, String cipherText , Class<T> tClass) throws Exception {byte[] keyData = ByteUtils.fromHexString(hexKey);byte[] cipherData = ByteUtils.fromHexString(cipherText);byte[] srcData = decrypt_Ecb_Padding(keyData, cipherData);return JSONObject.parseObject(new String(srcData, ENCODING) , tClass);}/*** @Description:解密*/public static byte[] decrypt_Ecb_Padding(byte[] key, byte[] cipherText) throws Exception {Cipher cipher = generateEcbCipher(ALGORITHM_NAME_ECB_PADDING, Cipher.DECRYPT_MODE, key);return cipher.doFinal(cipherText);}/*** @Description:解密*/public static byte[] decrypt_Ecb_Padding(String key, byte[] cipherText) throws Exception {return decrypt_Ecb_Padding(ByteUtils.fromHexString(key) , cipherText );}/*** @Description:密码校验*/public static boolean verifyEcb(String hexKey,String cipherText,String paramStr) throws Exception {boolean flag = false;byte[] keyData = ByteUtils.fromHexString(hexKey);byte[] cipherData = ByteUtils.fromHexString(cipherText);byte[] decryptData = decrypt_Ecb_Padding(keyData,cipherData);byte[] srcData = paramStr.getBytes(ENCODING);flag = Arrays.equals(decryptData,srcData);return flag;}// /**
// * @Description:测试类
// */
// public static void main(String[] args) {
// try {
// String json = "{}"; // 自定义的32位16进制密钥
// String key = "cc9368581322479ebf3e79348a2759";
// String cipher = Sm4Utils.encryptEcb(key, json,ENCODING);
// System.out.println(cipher);
// System.out.println(Sm4Utils.verifyEcb(key, cipher, json));
// json = Sm4Utils.decryptEcb(key, "7e76fa4f63302ed402ed9d2742f81a40311054d134b1fb689b045f74eaa370c17e9ddf8e332425a69fb4688fbffad464019a2c31f96459e35ce4785bab7b0dec",ENCODING);
// System.out.println(json);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
}
3.客服端对应js 加密解密
const SboxTable = [[0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7, 0x16, 0xb6, 0x14, 0xc2, 0x28, 0xfb, 0x2c, 0x05],[0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3, 0xaa, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99],[0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43, 0xed, 0xcf, 0xac, 0x62],[0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95, 0x80, 0xdf, 0x94, 0xfa, 0x75, 0x8f, 0x3f, 0xa6],[0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba, 0x83, 0x59, 0x3c, 0x19, 0xe6, 0x85, 0x4f, 0xa8],[0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b, 0xf8, 0xeb, 0x0f, 0x4b, 0x70, 0x56, 0x9d, 0x35],[0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2, 0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, 0x87],[0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52, 0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e],[0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5, 0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15, 0xa1],[0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55, 0xad, 0x93, 0x32, 0x30, 0xf5, 0x8c, 0xb1, 0xe3],[0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60, 0xc0, 0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f],[0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd, 0x8e, 0x2f, 0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51],[0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f, 0x11, 0xd9, 0x5c, 0x41, 0x1f, 0x10, 0x5a, 0xd8],[0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd, 0x2d, 0x74, 0xd0, 0x12, 0xb8, 0xe5, 0xb4, 0xb0],[0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e, 0x65, 0xb9, 0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84],[0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20, 0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, 0x48],
];const FK = [0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc];
const CK = [0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269,0x70777e85, 0x8c939aa1, 0xa8afb6bd, 0xc4cbd2d9,0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9,0xc0c7ced5, 0xdce3eaf1, 0xf8ff060d, 0x141b2229,0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209,0x10171e25, 0x2c333a41, 0x484f565d, 0x646b7279,
];const SM4_ENCRYPT = 1;
const SM4_DECRYPT = 0;function sm4_context() {this.mode = 0;this.sk = [];
}function GET_ULONG_BE(n, b, i) {return (b[i] << 24) | (b[i + 1] << 16) | (b[i + 2]) << 8 | (b[i + 3]);
}function PUT_ULONG_BE(n, b, i) {b[i] = n >>> 24;b[i + 1] = n >>> 16;b[i + 2] = n >>> 8;b[i + 3] = n;
}function ROTL(x, n) {const a = (x & 0xFFFFFFFF) << n;const b = x >>> (32 - n);return a | b;
}function sm4Sbox(n) {const l = n >>> 4;const r = n % 16;return SboxTable[l][r];
}function sm4Lt(ka) {let bb = 0;let c = 0;const a = new Uint8Array(4);const b = new Array(4);PUT_ULONG_BE(ka, a, 0);b[0] = sm4Sbox(a[0]);b[1] = sm4Sbox(a[1]);b[2] = sm4Sbox(a[2]);b[3] = sm4Sbox(a[3]);bb = GET_ULONG_BE(bb, b, 0);c = bb ^ (ROTL(bb, 2)) ^ (ROTL(bb, 10)) ^ (ROTL(bb, 18)) ^ (ROTL(bb, 24));return c;
}function sm4F(x0, x1, x2, x3, rk) {return (x0 ^ sm4Lt(x1 ^ x2 ^ x3 ^ rk));
}function sm4CalciRK(ka) {let bb = 0;let rk = 0;const a = new Uint8Array(4);const b = new Array(4);PUT_ULONG_BE(ka, a, 0);b[0] = sm4Sbox(a[0]);b[1] = sm4Sbox(a[1]);b[2] = sm4Sbox(a[2]);b[3] = sm4Sbox(a[3]);bb = GET_ULONG_BE(bb, b, 0);rk = bb ^ (ROTL(bb, 13)) ^ (ROTL(bb, 23));return rk;
}function sm4_setkey(SK, key) {const MK = new Array(4);const k = new Array(36);let i = 0;MK[0] = GET_ULONG_BE(MK[0], key, 0);MK[1] = GET_ULONG_BE(MK[1], key, 4);MK[2] = GET_ULONG_BE(MK[2], key, 8);MK[3] = GET_ULONG_BE(MK[3], key, 12);k[0] = MK[0] ^ FK[0];k[1] = MK[1] ^ FK[1];k[2] = MK[2] ^ FK[2];k[3] = MK[3] ^ FK[3];for (; i < 32; i++) {k[i + 4] = k[i] ^ (sm4CalciRK(k[i + 1] ^ k[i + 2] ^ k[i + 3] ^ CK[i]));SK[i] = k[i + 4];}
}function sm4_one_round(sk, input, output) {let i = 0;const ulbuf = new Array(36);ulbuf[0] = GET_ULONG_BE(ulbuf[0], input, 0);ulbuf[1] = GET_ULONG_BE(ulbuf[1], input, 4);ulbuf[2] = GET_ULONG_BE(ulbuf[2], input, 8);ulbuf[3] = GET_ULONG_BE(ulbuf[3], input, 12);while (i < 32) {ulbuf[i + 4] = sm4F(ulbuf[i], ulbuf[i + 1], ulbuf[i + 2], ulbuf[i + 3], sk[i]);i++;}PUT_ULONG_BE(ulbuf[35], output, 0);PUT_ULONG_BE(ulbuf[34], output, 4);PUT_ULONG_BE(ulbuf[33], output, 8);PUT_ULONG_BE(ulbuf[32], output, 12);
}function sm4_setkey_enc(ctx, key) {ctx.mode = SM4_ENCRYPT;sm4_setkey(ctx.sk, key);
}function sm4_setkey_dec(ctx, key) {let i;let j;ctx.mode = SM4_ENCRYPT;sm4_setkey(ctx.sk, key);for (i = 0; i < 16; i++) {j = ctx.sk[31 - i];ctx.sk[31 - i] = ctx.sk[i];ctx.sk[i] = j;}
}function sm4_crypt_ecb(ctx, mode, length, input, output) {let index = 0;while (length > 0) {const oneInput = input.slice(index, index + 16);const oneOutput = new Uint8Array(16);sm4_one_round(ctx.sk, oneInput, oneOutput);for (let i = 0; i < 16; i++) {output[index + i] = oneOutput[i];}index += 16;length -= 16;}
}function sm4_crypt_cbc(ctx, mode, length, iv, input, output) {let i;const temp = new Array(16);let index = 0;if (mode == SM4_ENCRYPT) {while (length > 0) {const oneInput = input.slice(index, index + 16);const oneOutput = new Array(16);for (i = 0; i < 16; i++) {oneOutput[i] = oneInput[i] ^ iv[i];}sm4_one_round(ctx.sk, oneOutput, oneOutput);for (i = 0; i < 16; i++) {iv[i] = oneOutput[i];output[index + i] = oneOutput[i];}index += 16;length -= 16;}} else /* SM4_DECRYPT */ {while (length > 0) {const oneInput = input.slice(index, index + 16);const oneOutput = new Array(16);index += 16;for (i = 0; i < 16; i++) {temp[i] = oneInput[i];}sm4_one_round(ctx.sk, oneInput, oneOutput);for (i = 0; i < 16; i++) {oneOutput[i] = oneOutput[i] ^ iv[i];output[index + i] = oneOutput[i];}for (i = 0; i < 16; i++) {iv[i] = temp[i];}index += 16;length -= 16;}}
}function strfix(str, len) {let length = len - str.length;while (length-- > 0) {str = `0${str}`;}return str;
}function HEXStrXOR(str1, str2) {const buf1 = hex2Array(str1);const buf2 = hex2Array(str2);let result = '';for (let i = 0; i < 16; i++) {result += strfix((buf1[i] ^ buf2[i]).toString(16).toUpperCase(), 2);}return result;
}function hex2Array(str) {const len = str.length / 2;let substr = '';const result = new Array(len);for (let i = 0; i < len; i++) {substr = str.slice(2 * i, 2 * (i + 1));result[i] = parseInt(substr, 16) || 0;}return result;
}const stringToByteArray = function(str) {const bytes = new Array();let len;let c;len = str.length;for (let i = 0; i < len; i++) {c = str.charCodeAt(i);if (c >= 0x010000 && c <= 0x10FFFF) {bytes.push(((c >> 18) & 0x07) | 0xF0);bytes.push(((c >> 12) & 0x3F) | 0x80);bytes.push(((c >> 6) & 0x3F) | 0x80);bytes.push((c & 0x3F) | 0x80);} else if (c >= 0x000800 && c <= 0x00FFFF) {bytes.push(((c >> 12) & 0x0F) | 0xE0);bytes.push(((c >> 6) & 0x3F) | 0x80);bytes.push((c & 0x3F) | 0x80);} else if (c >= 0x000080 && c <= 0x0007FF) {bytes.push(((c >> 6) & 0x1F) | 0xC0);bytes.push((c & 0x3F) | 0x80);} else {bytes.push(c & 0xFF);}}return bytes;
};const hexStringToByteArray = function(str) {let pos = 0;let len = str.length;if (len % 2 !== 0) {return str;}len /= 2;const arrBytes = new Array();for (let i = 0; i < len; i++) {const s = str.substr(pos, 2);const v = parseInt(s, 16);arrBytes.push(v);pos += 2;}return arrBytes;
};
const byteArrayToHexString = function(arr) {let str = '';for (let i = 0; i < arr.length; i++) {let tmp = arr[i].toString(16);if (tmp.length == 1) {tmp = `0${tmp}`;}str += tmp;}return str;
};
const byteArrayToString = function(arr) {if (typeof arr === 'string') {return arr;}let str = '';const _arr = arr;for (let i = 0; i < _arr.length; i++) {const one = _arr[i].toString(2);const v = one.match(/^1+?(?=0)/);if (v && one.length == 8) {const bytesLength = v[0].length;let store = _arr[i].toString(2).slice(7 - bytesLength);for (let st = 1; st < bytesLength; st++) {store += _arr[st + i].toString(2).slice(2);}str += String.fromCharCode(parseInt(store, 2));i += bytesLength - 1;} else {str += String.fromCharCode(_arr[i]);}}return str;
};function SM4CryptECBWithPKCS7Padding(data, sCryptFlag) {const szSM4Key = "cc9368581322479ebf3e79348a2759";if (szSM4Key.length !== 32) {// console.log("传入密钥[" + szSM4Key + "]长度不为32位");return '';}let szData = null;if (sCryptFlag === SM4_ENCRYPT) { // 加密szData = stringToByteArray(data);} else { // 解密szData = hexStringToByteArray(data);}const len = szData.length;if (sCryptFlag === SM4_ENCRYPT) { // 加密,进行填充PKCS7Paddingconst p = 16 - len % 16;for (let i = 0; i < p; i++) {szData.push(p);}}const ctx = new sm4_context();const lpbKey = hex2Array(szSM4Key);if (sCryptFlag === SM4_ENCRYPT) {sm4_setkey_enc(ctx, lpbKey); // 加密} else {sm4_setkey_dec(ctx, lpbKey); // 解密}const pbyCryptResult = new Array(szData.length);sm4_crypt_ecb(ctx, sCryptFlag, szData.length, szData, pbyCryptResult);if (sCryptFlag === SM4_DECRYPT) { // 解密,去除填充PKCS7Paddingconst p = pbyCryptResult[pbyCryptResult.length - 1];for (let i = 0; i < p; i++) {pbyCryptResult.pop();}}if (sCryptFlag === SM4_ENCRYPT) { // 加密return byteArrayToHexString(pbyCryptResult);} // 解密return byteArrayToString(pbyCryptResult);
}//加密
export function encrypt(inArray) {return SM4CryptECBWithPKCS7Padding(inArray, 1);
}//解密
export function decrypt(inArray) {return SM4CryptECBWithPKCS7Padding(inArray, 0);
}4.加密拦截器（数据整体加密）
注意：前后端密钥要相同
EncryptInterceptor
import cn.hat.util.Sm4Utils;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;/*** @author HAT* @Description 解密拦截器* @date 2021/10/11 8:49*/
@Slf4j
@RestControllerAdvice("cn.hat.controller")
public class EncryptInterceptor implements ResponseBodyAdvice {//对应yml密钥配置@Value("${SM4.secret}")private String DEFAULT_KEY;@Overridepublic boolean supports(MethodParameter methodParameter, Class aClass) {return true;}@Overridepublic Object beforeBodyWrite(Object object, MethodParameter methodParameter, MediaType mediaType, Class aClass, ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse) {try {return Sm4Utils.encryptEcb(DEFAULT_KEY, JSONObject.toJSONString(object));} catch (Throwable throwable) {throwable.printStackTrace();this.log.error("加密失败{}", throwable);}return object;}
}
application.yml
#sm4加密
SM4:#密钥secret: cc9368581322479ebf3e79348a27595.解密拦截器（数据整体解密）
import cn.hat.util.Sm4Utils;
import cn.hat.util.StringUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.MethodParameter;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice;import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Type;/*** @Description 解密拦截器* @author HAT* @date 2021/10/11 8:49*/
@Slf4j
@RestControllerAdvice("cn.hat.controller")
public class DecrypInterceptor implements RequestBodyAdvice {@Value("${SM4.secret}")private String DEFAULT_KEY;@Overridepublic boolean supports(MethodParameter methodParameter, Type type, Class<? extends HttpMessageConverter<?>> aClass) {return methodParameter.hasParameterAnnotation(RequestBody.class);}@Overridepublic HttpInputMessage beforeBodyRead(HttpInputMessage httpInputMessage, MethodParameter methodParameter, Type type, Class<? extends HttpMessageConverter<?>> aClass) throws IOException {byte[] bytes = StringUtils.toByteArray(httpInputMessage.getBody());// 读取加密的请求体try {bytes = Sm4Utils.decryptEcb(DEFAULT_KEY, new String(bytes, Sm4Utils.ENCODING));// 使用解密后的数据，构造新的读取流InputStream rawInputStream = new ByteArrayInputStream(bytes);return new HttpInputMessage() {@Overridepublic HttpHeaders getHeaders() {return httpInputMessage.getHeaders();}@Overridepublic InputStream getBody() throws IOException {return rawInputStream;}};} catch (Throwable throwable) {throwable.printStackTrace();log.error("解密失败{}", throwable);}return null;}@Overridepublic Object afterBodyRead(Object o, HttpInputMessage httpInputMessage, MethodParameter methodParameter, Type type, Class<? extends HttpMessageConverter<?>> aClass) {return o;}@Overridepublic Object handleEmptyBody(Object o, HttpInputMessage httpInputMessage, MethodParameter methodParameter, Type type, Class<? extends HttpMessageConverter<?>> aClass) {return o;}
}
和QResizeEvent::size()不一定相同！)
