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ZJ_DJ_APP
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RSA加密长文本

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master
hwf452 2 years ago
parent b54b648d24
commit 5936035346
5 changed files with 353 additions and 104 deletions
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31
ZJYXDXJ/app/src/main/java/com/bjzc/zjyxdxj/activity/LoginActivity.java
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@ -147,8 +147,8 @@ public class LoginActivity extends BaseActivity {
}); });
//initNFC(); //initNFC();
// etUse.setText("181145"); etUse.setText("181145");
// etPwd.setText("13902576510"); etPwd.setText("13902576510");
} }
@ -254,11 +254,17 @@ public class LoginActivity extends BaseActivity {
@Override @Override
public void onSucceed(int what, Response<String> response) throws ParseException { public void onSucceed(int what, Response<String> response) throws ParseException {
String json = response.get(); String json = response.get();
Log.i("app", "login-----"); // Log.i("app", "login-----");
Log.i("app", json); // Log.i("app", json);
UserInfo userInfo = GsonUtils.GsonToBean(json, UserInfo.class); String jsonDecode = RSAUtils.decryptBASE64StrByPublic(json);
if(TextUtils.isEmpty(jsonDecode)){
//showToast(UiUtlis.getString(context, R.string.login_no_connect_to_server));
showToast("登录异常...");
}else{
UserInfo userInfo = GsonUtils.GsonToBean(jsonDecode, UserInfo.class);
//Log.i("app",new Gson().toJson(userInfo)); //Log.i("app",new Gson().toJson(userInfo));
//Log.i("app", jsonDecode);
if (userInfo != null) { if (userInfo != null) {
UserInfo.User user = userInfo.getRows().get(0); UserInfo.User user = userInfo.getRows().get(0);
String status = user.getStatus(); String status = user.getStatus();
@ -318,9 +324,11 @@ public class LoginActivity extends BaseActivity {
showToast(UiUtlis.getString(context, R.string.login_no_connect_to_server)); showToast(UiUtlis.getString(context, R.string.login_no_connect_to_server));
} }
} }
}
@Override @Override
public void onFailed(int what, Response<String> response) { public void onFailed(int what, Response<String> response) {
showToast(UiUtlis.getString(context, R.string.login_no_connect_to_server));
} }
}; };
@ -343,16 +351,17 @@ public class LoginActivity extends BaseActivity {
userInfo.setSysversion(sysVersion); userInfo.setSysversion(sysVersion);
userInfo.setPhonemodel(model); userInfo.setPhonemodel(model);
userInfo.setPhonenum(""); userInfo.setPhonenum("");
// userInfo.setUsername(UiUtlis.getText(etUse)); userInfo.setUsername(UiUtlis.getText(etUse));
// userInfo.setPassword(UiUtlis.getText(etPwd)); userInfo.setPassword(UiUtlis.getText(etPwd));
//公钥加密处理 //公钥加密处理
userInfo.setUsername(RSAUtils.encryptBASE64Str(UiUtlis.getText(etUse))); // userInfo.setUsername(RSAUtils.encryptBASE64Str(UiUtlis.getText(etUse)));
userInfo.setPassword(RSAUtils.encryptBASE64Str(UiUtlis.getText(etPwd))); // userInfo.setPassword(RSAUtils.encryptBASE64Str(UiUtlis.getText(etPwd)));
list.add(userInfo); list.add(userInfo);
info.setRows(list); info.setRows(list);
String json = GsonUtils.GsonString(info); String json = GsonUtils.GsonString(info);
Log.i("app", json); //Log.i("app", json);
return json; //Log.i("app",RSAUtils.encryptBASE64Str(json));
return RSAUtils.encryptBASE64Str(json)+"1";
} }
public String getNfcInfo(String nfcId) { public String getNfcInfo(String nfcId) {

8
ZJYXDXJ/app/src/main/java/com/bjzc/zjyxdxj/activity/MainActivity.java
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@ -157,8 +157,8 @@ public class MainActivity extends BaseActivity3 {
checkUpdateApk(); checkUpdateApk();
List<String> permissionsResult = this.getPermissionsResult(); List<String> permissionsResult = this.getPermissionsResult();
// Log.i("app", "---------"); Log.i("app", "---------");
// Log.i("app", new Gson().toJson(permissionsResult)); Log.i("app", new Gson().toJson(permissionsResult));
boolean isApp_YXXJ = false; boolean isApp_YXXJ = false;
boolean isApp_RLXJ = false; boolean isApp_RLXJ = false;
for (String permissions : permissionsResult) { for (String permissions : permissionsResult) {
@ -222,9 +222,6 @@ public class MainActivity extends BaseActivity3 {
return; return;
} }
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
flashUtil.toggle(MainActivity.this);
} else {
//动态权限申请 //动态权限申请
if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) { if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
//权限请求 //权限请求
@ -240,7 +237,6 @@ public class MainActivity extends BaseActivity3 {
// flashUtil.toggle(MainActivity.this); // flashUtil.toggle(MainActivity.this);
// } // }
} }
}
@Override @Override

9
ZJYXDXJ/app/src/main/java/com/bjzc/zjyxdxj/contans/Contans.java
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@ -6,12 +6,13 @@ public class Contans {
public static String LOGIN = "AppLogin.ashx"; public static String LOGIN = "AppLogin.ashx";
public static String LOGINNFC = "AppLogin/userLogin.ashx"; public static String LOGINNFC = "AppLogin/userLogin.ashx";
//内网正式环境 //内网正式环境
//public static String IP = "http://10.20.1.100:8110/"; //public static String IP = "http://10.20.1.100:8500/app/";
public static String IP = "http://192.168.2.90:28500/"; public static String IP = "http://192.168.2.90:28500/app/";
public static String network_type_Intranet = "http://192.168.2.90:28500/"; public static String network_type_Intranet = "http://192.168.2.90:28500/app/";
public static String network_type_extranet = "https://www.zjtsp.com/"; //public static String network_type_Intranet = "http://10.20.1.100:8500/app/";
public static String network_type_extranet = "https://www.zjtsp.com/app/";
public static String MAXIMOIP = "http://10.46.0.152:7001/"; public static String MAXIMOIP = "http://10.46.0.152:7001/";

8
ZJYXDXJ/app/src/main/java/com/bjzc/zjyxdxj/utils/NohttpUtils.java
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@ -78,12 +78,13 @@ public class NohttpUtils {
*/ */
public <T> void add(Activity mActivity, int what, Request<T> request, HttpListener<T> callback, boolean canCanel, boolean isLoading, String msg) { public <T> void add(Activity mActivity, int what, Request<T> request, HttpListener<T> callback, boolean canCanel, boolean isLoading, String msg) {
String tokenTemp = (String) SPUtils.get(mActivity, Contans.LOGIN_TOKEN, ""); String tokenTemp = (String) SPUtils.get(mActivity, Contans.LOGIN_TOKEN, "");
Log.i("app", request.url());
if(!TextUtils.isEmpty(tokenTemp)){ if(!TextUtils.isEmpty(tokenTemp)){
String token = RSAUtils.decryptBASE64StrLocal(tokenTemp);; String token = RSAUtils.decryptBASE64StrLocal(tokenTemp);;
String credential = "Bearer " + token; String credential = "Bearer " + token;
request.addHeader("Authorization", credential); request.addHeader("Authorization", credential);
//Log.i("app", request.url()); // Log.i("app", request.url());
// Log.i("app", credential); Log.i("app", credential);
// Log.i("app",new Gson().toJson(request.headers())); // Log.i("app",new Gson().toJson(request.headers()));
} }
mQueue.add(what, request, new HttpResponseListener<T>(mActivity, request, callback, canCanel, isLoading, msg)); mQueue.add(what, request, new HttpResponseListener<T>(mActivity, request, callback, canCanel, isLoading, msg));
@ -92,12 +93,13 @@ public class NohttpUtils {
public <T> void add(Activity mActivity, int what, Request<T> request, HttpListener<T> callback) { public <T> void add(Activity mActivity, int what, Request<T> request, HttpListener<T> callback) {
String tokenTemp = (String) SPUtils.get(mActivity, Contans.LOGIN_TOKEN, ""); String tokenTemp = (String) SPUtils.get(mActivity, Contans.LOGIN_TOKEN, "");
Log.i("app", request.url());
if(!TextUtils.isEmpty(tokenTemp)){ if(!TextUtils.isEmpty(tokenTemp)){
String token = RSAUtils.decryptBASE64StrLocal(tokenTemp);; String token = RSAUtils.decryptBASE64StrLocal(tokenTemp);;
String credential = "Bearer " + token; String credential = "Bearer " + token;
request.addHeader("Authorization", credential); request.addHeader("Authorization", credential);
//Log.i("app", request.url()); //Log.i("app", request.url());
// Log.i("app", credential); Log.i("app", credential);
// Log.i("app",new Gson().toJson(request.headers())); // Log.i("app",new Gson().toJson(request.headers()));
} }
mQueue.add(what, request, new HttpResponseListener<T>(mActivity, request, callback, true, true, "加载中...")); mQueue.add(what, request, new HttpResponseListener<T>(mActivity, request, callback, true, true, "加载中..."));

273
ZJYXDXJ/app/src/main/java/com/bjzc/zjyxdxj/utils/RSAUtils.java
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@ -4,6 +4,7 @@ package com.bjzc.zjyxdxj.utils;
import android.util.Base64; import android.util.Base64;
import android.util.Log; import android.util.Log;
import java.io.ByteArrayOutputStream;
import java.security.Key; import java.security.Key;
import java.security.KeyFactory; import java.security.KeyFactory;
import java.security.KeyPair; import java.security.KeyPair;
@ -24,11 +25,20 @@ public class RSAUtils {
* RSA算法 * RSA算法
*/ */
public static final String RSA = "RSA"; public static final String RSA = "RSA";
public static final String ECB_None_PKCS1_PADDING = "RSA/None/PKCS1Padding";//java默认加密填充方式 RSA/None/PKCS1Padding
private static final String PUBLIC_KEY = "RSAPublicKey"; private static final String PUBLIC_KEY = "RSAPublicKey";
private static final String PRIVATE_KEY = "RSAPrivateKey"; private static final String PRIVATE_KEY = "RSAPrivateKey";
public static final int DEFAULT_KEY_SIZE = 2048;//秘钥默认长度
//RSA最大加密明文大小 1024位是117 算法 最大加密明文大小 = 1024(bit) / 8 - 11(byte) = 117 byte 最大加密明文大小 = 2048(bit) / 8 - 11(byte) = 245 byte
//private static final int MAX_ENCRYPT_BLOCK = 245;
private static final int MAX_ENCRYPT_BLOCK = (DEFAULT_KEY_SIZE / 8) - 11;
//RSA最大解密密文大小 1024位是128 2048位是 256 依此类推
//private static final int MAX_DECRYPT_BLOCK = 256;
private static final int MAX_DECRYPT_BLOCK = DEFAULT_KEY_SIZE / 8;
//java默认加密填充方式 RSA 对应安卓 RSA/None/PKCS1Padding
//public static final String ECB_None_PKCS1_PADDING = "RSA";
//安卓手机加密填充方式用 RSA/None/PKCS1Padding
public static final String ECB_None_PKCS1_PADDING = "RSA/None/PKCS1Padding";
public static final String public_key = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhpRgDGj3dk8kaNnnQIJ6YjbaEDBYEzDkv3qR3a55odU4/fJ3LFtGQfHM7LzQ3bpYaC8cZiYAu0ByPENW0G7HzVmxPfKdbLZtrRe+9kH8Fm+M2B26/XZd9QfT9+F2NQtFq68UA6yV5Z4wvxDjp2ZEzVjd+6ODQHuxf5JzySyWtgg844sHdB47iSdC06PnDfjLGMp3AtYeCbQH1mNOjuV44vbiccoTP3gCLnm9BS9Ez4F0fM04kTnCLpOdphJub341gUUnuoFbo+CGrnM5NfwXnw1MUkl5H25BHwK4So/L9DwbBsktiFOuzC8L4DuWvJJSLZnKXIXmPGoRVqTe5zCMkQIDAQAB"; public static final String public_key = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhpRgDGj3dk8kaNnnQIJ6YjbaEDBYEzDkv3qR3a55odU4/fJ3LFtGQfHM7LzQ3bpYaC8cZiYAu0ByPENW0G7HzVmxPfKdbLZtrRe+9kH8Fm+M2B26/XZd9QfT9+F2NQtFq68UA6yV5Z4wvxDjp2ZEzVjd+6ODQHuxf5JzySyWtgg844sHdB47iSdC06PnDfjLGMp3AtYeCbQH1mNOjuV44vbiccoTP3gCLnm9BS9Ez4F0fM04kTnCLpOdphJub341gUUnuoFbo+CGrnM5NfwXnw1MUkl5H25BHwK4So/L9DwbBsktiFOuzC8L4DuWvJJSLZnKXIXmPGoRVqTe5zCMkQIDAQAB";
public static final String private_key = "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"; public static final String private_key = "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";
@ -51,7 +61,17 @@ public class RSAUtils {
public static String decryptBASE64Str(String encryptString) { public static String decryptBASE64Str(String encryptString) {
try { try {
byte[] decodeByte = decryptBASE64(encryptString); byte[] decodeByte = decryptBASE64(encryptString);
return new String(decryptByPrivateKey(decodeByte, private_key)); return new String(decryptByPrivateKeyLongText(decodeByte, private_key));
} catch (Exception e) {
e.printStackTrace();
}
return "";
}
public static String decryptBASE64StrByPublic(String encryptString) {
try {
byte[] decodeByte = decryptBASE64(encryptString);
return new String(decryptByPublicKeyLongText(decodeByte, public_key));
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
@ -61,7 +81,7 @@ public class RSAUtils {
public static String decryptBASE64StrLocal(String encryptString) { public static String decryptBASE64StrLocal(String encryptString) {
try { try {
byte[] decodeByte = decryptBASE64(encryptString); byte[] decodeByte = decryptBASE64(encryptString);
return new String(decryptByPrivateKey(decodeByte, private_key_local)); return new String(decryptByPrivateKeyLongText(decodeByte, private_key_local));
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
@ -71,7 +91,7 @@ public class RSAUtils {
public static String decryptBASE64StrMqtt(String encryptString) { public static String decryptBASE64StrMqtt(String encryptString) {
try { try {
byte[] decodeByte = decryptBASE64(encryptString); byte[] decodeByte = decryptBASE64(encryptString);
return new String(decryptByPrivateKey(decodeByte, private_key_mqtt)); return new String(decryptByPrivateKeyLongText(decodeByte, private_key_mqtt));
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
@ -80,7 +100,7 @@ public class RSAUtils {
public static String encryptBASE64Str(String text) { public static String encryptBASE64Str(String text) {
try { try {
return encryptBASE64(encryptByPublicKey(text.getBytes(), public_key)); return encryptBASE64(encryptByPublicKeyLongText(text.getBytes(), public_key));
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
@ -89,7 +109,7 @@ public class RSAUtils {
public static String encryptBASE64StrLocal(String text) { public static String encryptBASE64StrLocal(String text) {
try { try {
return encryptBASE64(encryptByPublicKey(text.getBytes(), public_key_local)); return encryptBASE64(encryptByPublicKeyLongText(text.getBytes(), public_key_local));
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
@ -98,7 +118,7 @@ public class RSAUtils {
public static String encryptBASE64StrMqtt(String text) { public static String encryptBASE64StrMqtt(String text) {
try { try {
return encryptBASE64(encryptByPublicKey(text.getBytes(), public_key_mqtt)); return encryptBASE64(encryptByPublicKeyLongText(text.getBytes(), public_key_mqtt));
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
@ -128,6 +148,44 @@ public class RSAUtils {
return cipher.doFinal(data); return cipher.doFinal(data);
} }
/**
* 私钥分段解密
* @param encryptedData
* @param privateKey
* @return
* @throws Exception
*/
public static byte[] decryptByPrivateKeyLongText(byte[] encryptedData, String privateKey) throws Exception {
byte[] keyBytes = decryptBASE64(privateKey);
PKCS8EncodedKeySpec pkcs8KeySpec = new PKCS8EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance(RSA);
Key privateK = keyFactory.generatePrivate(pkcs8KeySpec);
Cipher cipher = Cipher.getInstance(ECB_None_PKCS1_PADDING);
cipher.init(Cipher.DECRYPT_MODE, privateK);
int inputLen = encryptedData.length;
ByteArrayOutputStream out = new ByteArrayOutputStream();
int offSet = 0;
byte[] cache;
int i = 0;
// 对数据分段解密
while (inputLen - offSet > 0) {
if (inputLen - offSet > MAX_DECRYPT_BLOCK) {
cache = cipher.doFinal(encryptedData, offSet, MAX_DECRYPT_BLOCK);
} else {
cache = cipher.doFinal(encryptedData, offSet, inputLen - offSet);
}
out.write(cache, 0, cache.length);
i++;
offSet = i * MAX_DECRYPT_BLOCK;
}
byte[] decryptedData = out.toByteArray();
out.close();
return decryptedData;
}
/** /**
* 解密<br> * 解密<br>
* 用公钥解密 * 用公钥解密
@ -137,8 +195,7 @@ public class RSAUtils {
* @return * @return
* @throws Exception * @throws Exception
*/ */
public static byte[] decryptByPublicKey(byte[] data, String key) public static byte[] decryptByPublicKey(byte[] data, String key) throws Exception {
throws Exception {
// 对密钥解密 // 对密钥解密
byte[] keyBytes = decryptBASE64(key); byte[] keyBytes = decryptBASE64(key);
// 取得公钥 // 取得公钥
@ -151,6 +208,68 @@ public class RSAUtils {
return cipher.doFinal(data); return cipher.doFinal(data);
} }
/**
* 用公钥分段解密
* @param encryptedData
* @param publicKey
* @return
* @throws Exception
*/
public static byte[] decryptByPublicKeyLongText(byte[] encryptedData, String publicKey) throws Exception {
byte[] keyBytes = decryptBASE64(publicKey);
X509EncodedKeySpec x509KeySpec = new X509EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance(RSA);
Key publicK = keyFactory.generatePublic(x509KeySpec);
Cipher cipher = Cipher.getInstance(ECB_None_PKCS1_PADDING);
cipher.init(Cipher.DECRYPT_MODE, publicK);
int inputLen = encryptedData.length;
ByteArrayOutputStream out = new ByteArrayOutputStream();
int offSet = 0;
byte[] cache;
int i = 0;
// 对数据分段解密
while (inputLen - offSet > 0) {
if (inputLen - offSet > MAX_DECRYPT_BLOCK) {
cache = cipher.doFinal(encryptedData, offSet, MAX_DECRYPT_BLOCK);
} else {
cache = cipher.doFinal(encryptedData, offSet, inputLen - offSet);
}
out.write(cache, 0, cache.length);
i++;
offSet = i * MAX_DECRYPT_BLOCK;
}
byte[] decryptedData = out.toByteArray();
out.close();
return decryptedData;
}
/** /**
* 加密<br> * 加密<br>
* 用公钥加密 * 用公钥加密
@ -160,8 +279,7 @@ public class RSAUtils {
* @return * @return
* @throws Exception * @throws Exception
*/ */
public static byte[] encryptByPublicKey(byte[] data, String key) public static byte[] encryptByPublicKey(byte[] data, String key) throws Exception {
throws Exception {
// 对公钥解密 // 对公钥解密
byte[] keyBytes = decryptBASE64(key); byte[] keyBytes = decryptBASE64(key);
// 取得公钥 // 取得公钥
@ -174,6 +292,69 @@ public class RSAUtils {
return cipher.doFinal(data); return cipher.doFinal(data);
} }
/**
* 用公钥分段加密
* @param data
* @param publicKey
* @return
* @throws Exception
*/
public static byte[] encryptByPublicKeyLongText(byte[] data, String publicKey) throws Exception {
byte[] keyBytes = decryptBASE64(publicKey);
X509EncodedKeySpec x509KeySpec = new X509EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance(RSA);
Key publicK = keyFactory.generatePublic(x509KeySpec);
// 对数据加密
Cipher cipher = Cipher.getInstance(ECB_None_PKCS1_PADDING);
cipher.init(Cipher.ENCRYPT_MODE, publicK);
int inputLen = data.length;
ByteArrayOutputStream out = new ByteArrayOutputStream();
int offSet = 0;
byte[] cache;
int i = 0;
// 对数据分段加密
while (inputLen - offSet > 0) {
if (inputLen - offSet > MAX_ENCRYPT_BLOCK) {
cache = cipher.doFinal(data, offSet, MAX_ENCRYPT_BLOCK);
} else {
cache = cipher.doFinal(data, offSet, inputLen - offSet);
}
out.write(cache, 0, cache.length);
i++;
offSet = i * MAX_ENCRYPT_BLOCK;
}
byte[] encryptedData = out.toByteArray();
out.close();
return encryptedData;
}
/** /**
* 加密<br> * 加密<br>
* 用私钥加密 * 用私钥加密
@ -183,8 +364,7 @@ public class RSAUtils {
* @return * @return
* @throws Exception * @throws Exception
*/ */
public static byte[] encryptByPrivateKey(byte[] data, String key) public static byte[] encryptByPrivateKey(byte[] data, String key) throws Exception {
throws Exception {
// 对密钥解密 // 对密钥解密
byte[] keyBytes = decryptBASE64(key); byte[] keyBytes = decryptBASE64(key);
// 取得私钥 // 取得私钥
@ -197,6 +377,67 @@ public class RSAUtils {
return cipher.doFinal(data); return cipher.doFinal(data);
} }
/**
* 用私钥分段加密
* @param data
* @param privateKey
* @return
* @throws Exception
*/
public static byte[] encryptByPrivateKeyLongText(byte[] data, String privateKey) throws Exception {
byte[] keyBytes = decryptBASE64(privateKey);
PKCS8EncodedKeySpec pkcs8KeySpec = new PKCS8EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance(RSA);
Key privateK = keyFactory.generatePrivate(pkcs8KeySpec);
Cipher cipher = Cipher.getInstance(ECB_None_PKCS1_PADDING);
cipher.init(Cipher.ENCRYPT_MODE, privateK);
int inputLen = data.length;
ByteArrayOutputStream out = new ByteArrayOutputStream();
int offSet = 0;
byte[] cache;
int i = 0;
// 对数据分段加密
while (inputLen - offSet > 0) {
if (inputLen - offSet > MAX_ENCRYPT_BLOCK) {
cache = cipher.doFinal(data, offSet, MAX_ENCRYPT_BLOCK);
} else {
cache = cipher.doFinal(data, offSet, inputLen - offSet);
}
out.write(cache, 0, cache.length);
i++;
offSet = i * MAX_ENCRYPT_BLOCK;
}
byte[] encryptedData = out.toByteArray();
out.close();
return encryptedData;
}
/** /**
* 取得私钥 * 取得私钥
* *
@ -233,7 +474,7 @@ public class RSAUtils {
public static Map<String, Object> initKey() throws Exception { public static Map<String, Object> initKey() throws Exception {
KeyPairGenerator keyPairGen = KeyPairGenerator KeyPairGenerator keyPairGen = KeyPairGenerator
.getInstance(RSA); .getInstance(RSA);
keyPairGen.initialize(2048); keyPairGen.initialize(DEFAULT_KEY_SIZE);
KeyPair keyPair = keyPairGen.generateKeyPair(); KeyPair keyPair = keyPairGen.generateKeyPair();
// 公钥 // 公钥
RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic(); RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();

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