k
/
android-libs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

optimize Security/UIKit

Browse Source
androidx
Ztiany 5 years ago
parent 9a4f84534f
commit f19c35b70d
17 changed files with 184 additions and 401 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 1
      lib_base/build.gradle
  2. 2
      lib_base/src/main/java/com/android/base/app/fragment/BaseDialogFragment.kt
  3. 2
      lib_base/src/main/java/com/android/base/app/fragment/BaseFragment.kt
  4. 29
      lib_base/src/main/java/com/android/base/app/ui/UIKit.kt
  5. 30
      lib_base/src/main/java/com/android/base/rx/SchedulerProvider.kt
  6. 40
      lib_base/src/main/java/com/android/base/utils/security/AESCipherStrategy.java
  7. 177
      lib_base/src/main/java/com/android/base/utils/security/AESUtils.java
  8. 43
      lib_base/src/main/java/com/android/base/utils/security/CipherStrategy.java
  9. 45
      lib_base/src/main/java/com/android/base/utils/security/DESCipherStrategy.java
  10. 26
      lib_base/src/main/java/com/android/base/utils/security/DESUtils.java
  11. 49
      lib_base/src/main/java/com/android/base/utils/security/HexUtils.java
  12. 4
      lib_base/src/main/java/com/android/base/utils/security/MD5Utils.java
  13. 68
      lib_base/src/main/java/com/android/base/utils/security/RSACipherStrategy.java
  14. 51
      lib_base/src/main/java/com/android/base/utils/security/RSAUtils.java
  15. 4
      lib_base/src/main/java/com/android/base/utils/security/SHAUtils.java
  16. 4
      lib_base/src/main/java/com/android/base/utils/security/SimpleRsa.java
  17. 4
      lib_base/src/main/java/com/android/base/utils/security/security-utils.kt

1
lib_base/build.gradle
Unescape View File

@ -89,6 +89,7 @@ dependencies {
api kotlinLibraries.kotlinReflect
api kotlinLibraries.kotlinCoroutines
api kotlinLibraries.kotlinAndroidCoroutines
api kotlinLibraries.kotlinxCoroutinesRx2
//RxJava
api thirdLibraries.rxJava

2
lib_base/src/main/java/com/android/base/app/fragment/BaseDialogFragment.kt
Unescape View File

@ -85,7 +85,7 @@ open class BaseDialogFragment : AppCompatDialogFragment(), LoadingView, OnBackPr
*/
protected open fun provideLayout(): Any? = null
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
final override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
Timber.tag(tag()).d("-->onViewCreated savedInstanceState = %s", savedInstanceState)
if (layoutView !== view) {

2
lib_base/src/main/java/com/android/base/app/fragment/BaseFragment.kt
Unescape View File

@ -96,7 +96,7 @@ open class BaseFragment : Fragment(), LoadingView, OnBackPressListener, Fragment
*/
protected open fun provideLayout(): Any? = null
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
final override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
Timber.tag(tag()).d("-->onViewCreated savedInstanceState = %s", savedInstanceState)
if (layoutView !== view) {

29
lib_base/src/main/java/com/android/base/app/ui/UIKit.kt
Unescape View File

@ -23,6 +23,7 @@ interface UIErrorHandler {
fun <H, T> H.handleLiveState(
liveData: LiveData<State<T>>,
forceLoading: Boolean = true,
onError: ((Throwable) -> Unit)? = null,
onSuccess: (T?) -> Unit
) where H : UIErrorHandler, H : LoadingView, H : LifecycleOwner {
@ -30,17 +31,21 @@ fun <H, T> H.handleLiveState(
when {
state.isError -> {
Timber.d("handleLiveState -> isError")
dismissLoadingDialog()
dismissLoadingDialog(Sword.get().minimumShowingDialogMills()) {
if (onError != null) {
onError(state.error())
} else {
handleError(state.error())
}
}
}
state.isLoading -> {
Timber.d("handleLiveState -> isLoading")
showLoadingDialog(!forceLoading)
}
state.isSuccess -> {
Timber.d("handleLiveState -> isSuccess")
val minimumShowingDialogMills = Sword.get().minimumShowingDialogMills()
dismissLoadingDialog(minimumShowingDialogMills) {
dismissLoadingDialog(Sword.get().minimumShowingDialogMills()) {
onSuccess(state.get())
}
}//success end
@ -49,6 +54,18 @@ fun <H, T> H.handleLiveState(
}
fun <H, T> H.handleLiveState2(
liveData: LiveData<State<T>>,
forceLoading: Boolean = true,
handler: StateHandler<T>.() -> Unit
) where H : UIErrorHandler, H : LoadingView, H : LifecycleOwner {
liveData.observe(this, Observer { state ->
handleState(state, forceLoading, handler)
})
}
fun <T> LoadingView.handleState(
state: State<T>,
forceLoading: Boolean = true,
@ -61,17 +78,17 @@ fun <T> LoadingView.handleState(
when {
state.isError -> {
Timber.d("handleState -> isError")
dismissLoadingDialog()
dismissLoadingDialog(Sword.get().minimumShowingDialogMills()) {
stateHandler.onError?.invoke(state.error())
}
}
state.isLoading -> {
Timber.d("handleState -> isLoading")
showLoadingDialog(!forceLoading)
}
state.isSuccess -> {
Timber.d("handleState -> isSuccess")
val minimumShowingDialogMills = Sword.get().minimumShowingDialogMills()
dismissLoadingDialog(minimumShowingDialogMills) {
dismissLoadingDialog(Sword.get().minimumShowingDialogMills()) {
stateHandler.onSuccess?.invoke(state.get())
if (state.hasData()) {
stateHandler.onSuccessWithData?.invoke(state.data())

30
lib_base/src/main/java/com/android/base/rx/SchedulerProvider.kt
Unescape View File

@ -1,9 +1,13 @@
@file:JvmName("SchedulerProviders")
package com.android.base.rx
import io.reactivex.Scheduler
import io.reactivex.android.schedulers.AndroidSchedulers
import io.reactivex.schedulers.Schedulers
import kotlinx.coroutines.CoroutineDispatcher
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.rx2.asCoroutineDispatcher
/**
@ -19,6 +23,12 @@ interface SchedulerProvider {
fun database(): Scheduler
fun ioDispatcher(): CoroutineDispatcher
fun defaultDispatcher(): CoroutineDispatcher
fun uiDispatcher(): CoroutineDispatcher
}
fun newDefaultSchedulerProvider(): SchedulerProvider {
@ -27,6 +37,26 @@ fun newDefaultSchedulerProvider(): SchedulerProvider {
private class DefaultSchedulerProvider : SchedulerProvider {
private val ioDispatcher by lazy {
io().asCoroutineDispatcher()
}
private val defaultDispatcher by lazy {
io().asCoroutineDispatcher()
}
override fun ioDispatcher(): CoroutineDispatcher {
return ioDispatcher
}
override fun defaultDispatcher(): CoroutineDispatcher {
return defaultDispatcher
}
override fun uiDispatcher(): CoroutineDispatcher {
return Dispatchers.Main
}
override fun computation(): Scheduler {
return Schedulers.computation()
}

40
lib_base/src/main/java/com/android/base/utils/security/AESCipherStrategy.java
Unescape View File

@ -1,40 +0,0 @@
package com.android.base.utils.security;
import java.io.UnsupportedEncodingException;
/**
* Reference: https://github.com/zhengxiaopeng/Rocko-Android-Demos
*/
public class AESCipherStrategy extends CipherStrategy {
private String key;
public AESCipherStrategy(String key) {
this.key = key;
}
@Override
public String encrypt(String content) {
byte[] encryptByte = new byte[0];
try {
encryptByte = AESUtils.encryptData(content.getBytes(CHARSET), key);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return encodeConvert(encryptByte);
}
@Override
public String decrypt(String encryptContent) {
byte[] encryptByte = decodeConvert(encryptContent);
byte[] decryptByte = AESUtils.decryptData(encryptByte, key);
String result = "";
try {
result = new String(decryptByte, CHARSET);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
}

177
lib_base/src/main/java/com/android/base/utils/security/AESUtils.java
Unescape View File

@ -1,71 +1,53 @@
/*
* Copyright 2015 Rocko (http://rocko.xyz) <rocko.zxp@gmail.com>.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.base.utils.security;
import java.nio.charset.StandardCharsets;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import androidx.annotation.Nullable;
/**
* AES 对称加密
*/
@SuppressWarnings("unused")
public class AESUtils {
/**
* 算法/模式/填充 *
*/
private static final String CIPHER_MODE = "AES";
//算法/模式/填充
public static String AES = "AES";
public static String AES_CBC_ISO10126PADDING = "AES/CBC/ISO10126Padding";
public static String AES_CBC_NOPADDING = "AES/CBC/NoPadding";
public static String AES_CBC_PKCS5PADDING = "AES/CBC/PKCS5Padding";
public static String AES_CFB_ISO10126PADDING = "AES/CFB/ISO10126Padding";
public static String AES_CFB_NOPADDING = "AES/CFB/NoPadding";
public static String AES_CFB_PKCS5PADDING = "AES/CFB/PKCS5Padding";
public static String AES_CTR_ISO10126PADDING = "AES/CTR/ISO10126Padding";
public static String AES_CTR_NOPADDING = "AES/CTR/NoPadding";
public static String AES_CTR_PKCS5PADDING = "AES/CTR/PKCS5Padding";
public static String AES_CTS_ISO10126PADDING = "AES/CTS/ISO10126Padding";
public static String AES_CTS_NOPADDING = "AES/CTS/NoPadding";
public static String AES_CTS_PKCS5PADDING = "AES/CTS/PKCS5Padding";
public static String AES_ECB_ISO10126PADDING = "AES/ECB/ISO10126Padding";
public static String AES_ECB_NOPADDING = "AES/ECB/NoPadding";
public static String AES_ECB_PKCS5PADDING = "AES/ECB/PKCS5Padding";
public static String AES_OFB_ISO10126PADDING = "AES/OFB/ISO10126Padding";
public static String AES_OFB_NOPADDING = "AES/OFB/NoPadding";
public static String AES_OFB_PKCS5PADDING = "AES/OFB/PKCS5Padding";
/**
* 创建密钥
*
* @param password 例如："0123456701234567" 128位 16*8 <br>
* 所有密钥长度不能超过16字符中文占两个。192 24； 256 32
* @return SecretKeySpec 实例
*/
private static SecretKeySpec generateAESKey(String password) {
byte[] data;
StringBuilder sb = new StringBuilder();
sb.append(password);
while (sb.length() < 16)
sb.append("0");
if (sb.length() > 16)
sb.setLength(16);
try {
data = sb.toString().getBytes(StandardCharsets.UTF_8);
return new SecretKeySpec(data, CIPHER_MODE);
} catch (Exception e) {
e.printStackTrace();
return null;
private static final int LIMIT_LEN = 16;
private static SecretKeySpec generateAESKey(String algorithm, String password) {
byte[] passwordData = password.getBytes();
if (passwordData.length != LIMIT_LEN) {
throw new IllegalArgumentException("password 长度必须等于16");
}
return new SecretKeySpec(passwordData, algorithm);
}
/**
* 加密字节数据
*
* @param content 需要加密的字节数组
* @param password 密钥 128 <16个字节 192 <24,256 <32个字节
* @return 加密完后的字节数组
*/
public static byte[] encryptData(byte[] content, String password) {
@Nullable
public static byte[] encryptData(byte[] content, String algorithm, String password) {
try {
SecretKeySpec key = generateAESKey(password);
Cipher cipher = Cipher.getInstance(CIPHER_MODE);
SecretKeySpec key = generateAESKey(algorithm, password);
Cipher cipher = Cipher.getInstance(algorithm);
cipher.init(Cipher.ENCRYPT_MODE, key);
return cipher.doFinal(content);
} catch (Exception e) {
@ -74,35 +56,11 @@ public class AESUtils {
return null;
}
/**
* 加密(结果为16进制字符串), UTF-8 编码
*
* @param content 要加密的字符串
* @param password 密钥
* @return 加密后的16进制字符串
*/
public static String encryptData(String content, String password) {
byte[] data = null;
@Nullable
public static byte[] decryptData(byte[] content, String algorithm, String password) {
try {
data = content.getBytes(StandardCharsets.UTF_8);
} catch (Exception e) {
e.printStackTrace();
}
data = encryptData(data, password);
return byte2hex(data);
}
/**
* 解密字节数组 UTF-8
*
* @param content
* @param password
* @return
*/
public static byte[] decryptData(byte[] content, String password) {
try {
SecretKeySpec key = generateAESKey(password);
Cipher cipher = Cipher.getInstance(CIPHER_MODE);
SecretKeySpec key = generateAESKey(algorithm, password);
Cipher cipher = Cipher.getInstance(algorithm);
cipher.init(Cipher.DECRYPT_MODE, key);
return cipher.doFinal(content);
} catch (Exception e) {
@ -111,61 +69,4 @@ public class AESUtils {
return null;
}
/**
* 解密16进制的字符串为字符串 *
*/
public static String decryptData(String content, String password) {
byte[] data = null;
try {
data = hex2byte(content);
} catch (Exception e) {
e.printStackTrace();
}
data = decryptData(data, password);
if (data == null)
return null;
String result = null;
result = new String(data, StandardCharsets.UTF_8);
return result;
}
/**
* 字节数组转成16进制字符串
*
* @return 16进制字符串
*/
public static String byte2hex(byte[] bytes) { // 一个字节的数，
StringBuilder sb = new StringBuilder(bytes.length * 2);
String tmp;
for (byte theByte : bytes) {
// 整数转成十六进制表示
tmp = (Integer.toHexString(theByte & 0XFF));
if (tmp.length() == 1) {
sb.append("0");
}
sb.append(tmp);
}
return sb.toString().toUpperCase(); // 转成大写
}
/**
* 将hex字符串转换成字节数组
*
* @param inputString 16进制的字符串
* @return 字节数组
*/
public static byte[] hex2byte(String inputString) {
if (inputString == null || inputString.length() < 2) {
return new byte[0];
}
inputString = inputString.toLowerCase();
int l = inputString.length() / 2;
byte[] result = new byte[l];
for (int i = 0; i < l; ++i) {
String tmp = inputString.substring(2 * i, 2 * i + 2);
result[i] = (byte) (Integer.parseInt(tmp, 16) & 0xFF);
}
return result;
}
}

43
lib_base/src/main/java/com/android/base/utils/security/CipherStrategy.java
Unescape View File

@ -1,43 +0,0 @@
package com.android.base.utils.security;
import android.util.Base64;
/**
* Reference: https://github.com/zhengxiaopeng/Rocko-Android-Demos
*/
abstract class CipherStrategy {
final static String CHARSET = "UTF-8";
/**
* 将加密内容的 Base64 编码转换为二进制内容
*/
protected byte[] decodeConvert(String str) {
return Base64.decode(str, Base64.DEFAULT);
}
/**
* 对加密后的二进制结果转换为 Base64 编码
*/
protected String encodeConvert(byte[] bytes) {
return new String(Base64.encode(bytes, Base64.DEFAULT));
}
/**
* 对字符串进行加密
*
* @param content 需要加密的字符串
* @return
*/
public abstract String encrypt(String content);
/**
* 对字符串进行解密
*
* @param encryptContent 加密内容的 Base64 编码
* @return
*/
public abstract String decrypt(String encryptContent);
}

45
lib_base/src/main/java/com/android/base/utils/security/DESCipherStrategy.java
Unescape View File

@ -1,45 +0,0 @@
package com.android.base.utils.security;
import java.io.UnsupportedEncodingException;
/**
* Reference: https://github.com/zhengxiaopeng/Rocko-Android-Demos
*/
public class DESCipherStrategy extends CipherStrategy {
private String key;// 解密密码
/**
* @param key 加解密的 key
*/
public DESCipherStrategy(String key) {
this.key = key;
}
@Override
public String encrypt(String content) {
byte[] encryptByte = null;
try {
encryptByte = DESUtils.encrypt(content.getBytes(CHARSET), key);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return encodeConvert(encryptByte);
}
@Override
public String decrypt(String encryptContent) {
byte[] encryptByte = decodeConvert(encryptContent);
byte[] decryptByte = DESUtils.decrypt(encryptByte, key);
String result = "";
try {
result = new String(decryptByte, CHARSET);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
}

26
lib_base/src/main/java/com/android/base/utils/security/DESUtils.java
Unescape View File

@ -1,19 +1,3 @@
/*
* Copyright 2015 Rocko (http://rocko.xyz) <rocko.zxp@gmail.com>.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.base.utils.security;
import java.security.SecureRandom;
@ -23,7 +7,9 @@ import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
@SuppressWarnings("WeakerAccess")
import androidx.annotation.Nullable;
@SuppressWarnings("unused")
public class DESUtils {
/**
@ -32,14 +18,15 @@ public class DESUtils {
* @param bytesContent 待加密内容
* @param key 加密的密钥
*/
@Nullable
public static byte[] encrypt(byte[] bytesContent, String key) {
try {
SecureRandom random = new SecureRandom();
DESKeySpec desKey = new DESKeySpec(key.getBytes());
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey securekey = keyFactory.generateSecret(desKey);
SecretKey secretKey = keyFactory.generateSecret(desKey);
Cipher cipher = Cipher.getInstance("DES");
cipher.init(Cipher.ENCRYPT_MODE, securekey, random);
cipher.init(Cipher.ENCRYPT_MODE, secretKey, random);
return cipher.doFinal(bytesContent);
} catch (Throwable e) {
e.printStackTrace();
@ -53,6 +40,7 @@ public class DESUtils {
* @param content 待解密内容
* @param key 解密的密钥
*/
@Nullable
public static byte[] decrypt(byte[] content, String key) {
try {
SecureRandom random = new SecureRandom();

49
lib_base/src/main/java/com/android/base/utils/security/HexUtils.java
Unescape View File

@ -0,0 +1,49 @@
package com.android.base.utils.security;
/**
* @author Ztiany
* Email: ztiany3@gmail.com
* Date : 2019-10-23 15:09
*/
public class HexUtils {
/**
* 字节数组转成16进制字符串
*
* @return 16进制字符串
*/
public static String byte2hex(byte[] bytes) { // 一个字节的数，
StringBuilder sb = new StringBuilder(bytes.length * 2);
String tmp;
for (byte theByte : bytes) {
// 整数转成十六进制表示
tmp = (Integer.toHexString(theByte & 0XFF));
if (tmp.length() == 1) {
sb.append("0");
}
sb.append(tmp);
}
return sb.toString().toUpperCase(); // 转成大写
}
/**
* 将hex字符串转换成字节数组
*
* @param inputString 16进制的字符串
* @return 字节数组
*/
public static byte[] hex2byte(String inputString) {
if (inputString == null || inputString.length() < 2) {
return new byte[0];
}
inputString = inputString.toLowerCase();
int l = inputString.length() / 2;
byte[] result = new byte[l];
for (int i = 0; i < l; ++i) {
String tmp = inputString.substring(2 * i, 2 * i + 2);
result[i] = (byte) (Integer.parseInt(tmp, 16) & 0xFF);
}
return result;
}
}

4
lib_base/src/main/java/com/android/base/utils/security/MD5Utils.java
Unescape View File

@ -6,6 +6,9 @@ import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import androidx.annotation.Nullable;
@SuppressWarnings("unused")
public class MD5Utils {
private static final char[] HEX_DIGITS = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
@ -22,6 +25,7 @@ public class MD5Utils {
/**
* 文件加密
*/
@Nullable
public static String md5file(String filename) {
InputStream fis;
byte[] buffer = new byte[1024];

68
lib_base/src/main/java/com/android/base/utils/security/RSACipherStrategy.java
Unescape View File

@ -1,68 +0,0 @@
package com.android.base.utils.security;
import java.io.InputStream;
import java.security.PrivateKey;
import java.security.PublicKey;
/**
* Reference: https://github.com/zhengxiaopeng/Rocko-Android-Demos
*/
public class RSACipherStrategy extends CipherStrategy {
private PublicKey mPublicKey;
private PrivateKey mPrivateKey;
public void initPublicKey(String publicKeyContentStr) {
try {
mPublicKey = RSAUtils.loadPublicKey(publicKeyContentStr);
} catch (Exception e) {
e.printStackTrace();
}
}
public void initPublicKey(InputStream publicKeyIs) {
try {
mPublicKey = RSAUtils.loadPublicKey(publicKeyIs);
} catch (Exception e) {
e.printStackTrace();
}
}
public void initPrivateKey(String privateKeyContentStr) {
try {
mPrivateKey = RSAUtils.loadPrivateKey(privateKeyContentStr);
} catch (Exception e) {
e.printStackTrace();
}
}
public void initPrivateKey(InputStream privateIs) {
try {
mPrivateKey = RSAUtils.loadPrivateKey(privateIs);
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public String encrypt(String content) {
if (mPublicKey == null) {
throw new NullPointerException("PublicKey is null, please initialize it first");
}
byte[] encryptByte = RSAUtils.encryptData(content.getBytes(), mPublicKey);
return encodeConvert(encryptByte);
}
@Override
public String decrypt(String encryptContent) {
if (mPrivateKey == null) {
throw new NullPointerException("PrivateKey is null, please initialize it first");
}
byte[] encryptByte = decodeConvert(encryptContent);
byte[] decryptByte = RSAUtils.decryptData(encryptByte, mPrivateKey);
return new String(decryptByte);
}
}

51
lib_base/src/main/java/com/android/base/utils/security/RSAUtils.java
Unescape View File

@ -1,19 +1,3 @@
/*
* Copyright 2015 Rocko (http://rocko.xyz) <rocko.zxp@gmail.com>.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.base.utils.security;
import android.util.Base64;
@ -36,10 +20,9 @@ import java.security.spec.X509EncodedKeySpec;
import javax.crypto.Cipher;
import androidx.annotation.Nullable;
/**
* @author Mr.Zheng
*/
@SuppressWarnings("WeakerAccess,unused")
public final class RSAUtils {
private final static String KEY_PAIR = "RSA";
@ -69,13 +52,13 @@ public final class RSAUtils {
}
/**
* 用公钥加密 <br>
* 每次加密的字节数，不能超过密钥的长度值减去11
* 用公钥加密，每次加密的字节数，不能超过密钥的长度值减去11
*
* @param data 需加密数据的byte数据
* @param publicKey 公钥
* @return 加密后的byte型数据
*/
@Nullable
public static byte[] encryptData(byte[] data, PublicKey publicKey) {
try {
Cipher cipher = Cipher.getInstance(CIPHER);
@ -95,6 +78,7 @@ public final class RSAUtils {
* @param encryptedData 经过encryptedData()加密返回的byte数据
* @param privateKey 私钥
*/
@Nullable
public static byte[] decryptData(byte[] encryptedData, PrivateKey privateKey) {
try {
Cipher cipher = Cipher.getInstance(CIPHER);
@ -108,11 +92,10 @@ public final class RSAUtils {
/**
* 通过公钥byte[](publicKey.getEncoded())将公钥还原，适用于RSA算法
*
* @throws NoSuchAlgorithmException
* @throws InvalidKeySpecException
* @throws NoSuchAlgorithmException NoSuchAlgorithm
* @throws InvalidKeySpecException InvalidKeySpec
*/
public static PublicKey getPublicKey(byte[] keyBytes) throws NoSuchAlgorithmException,
InvalidKeySpecException {
public static PublicKey getPublicKey(byte[] keyBytes) throws NoSuchAlgorithmException, InvalidKeySpecException {
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance(KEY_PAIR);
return keyFactory.generatePublic(keySpec);
@ -121,11 +104,10 @@ public final class RSAUtils {
/**
* 通过私钥byte[]将公钥还原，适用于RSA算法
*
* @throws NoSuchAlgorithmException
* @throws InvalidKeySpecException
* @throws NoSuchAlgorithmException NoSuchAlgorithm
* @throws InvalidKeySpecException InvalidKeySpec
*/
public static PrivateKey getPrivateKey(byte[] keyBytes) throws NoSuchAlgorithmException,
InvalidKeySpecException {
public static PrivateKey getPrivateKey(byte[] keyBytes) throws NoSuchAlgorithmException, InvalidKeySpecException {
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance(KEY_PAIR);
return keyFactory.generatePrivate(keySpec);
@ -134,11 +116,10 @@ public final class RSAUtils {
/**
* 使用N、e值还原公钥
*
* @throws NoSuchAlgorithmException
* @throws InvalidKeySpecException
* @throws NoSuchAlgorithmException NoSuchAlgorithm
* @throws InvalidKeySpecException InvalidKeySpec
*/
public static PublicKey getPublicKey(String modulus, String publicExponent)
throws NoSuchAlgorithmException, InvalidKeySpecException {
public static PublicKey getPublicKey(String modulus, String publicExponent) throws NoSuchAlgorithmException, InvalidKeySpecException {
BigInteger bigIntModulus = new BigInteger(modulus);
BigInteger bigIntPrivateExponent = new BigInteger(publicExponent);
RSAPublicKeySpec keySpec = new RSAPublicKeySpec(bigIntModulus, bigIntPrivateExponent);
@ -149,8 +130,8 @@ public final class RSAUtils {
/**
* 使用N、d值还原私钥
*
* @throws NoSuchAlgorithmException
* @throws InvalidKeySpecException
* @throws NoSuchAlgorithmException NoSuchAlgorithm
* @throws InvalidKeySpecException InvalidKeySpec
*/
public static PrivateKey getPrivateKey(String modulus, String privateExponent) throws NoSuchAlgorithmException, InvalidKeySpecException {
BigInteger bigIntModulus = new BigInteger(modulus);

4
lib_base/src/main/java/com/android/base/utils/security/SHAUtils.java
Unescape View File

@ -4,6 +4,8 @@ import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import androidx.annotation.Nullable;
/**
* @author Ztiany
* Email: ztiany3@gmail.com
@ -14,10 +16,12 @@ public class SHAUtils {
private static final String SHA256 = "SHA256";
@Nullable
public static byte[] toSHA256(String content) {
return toSHA256(content.getBytes(StandardCharsets.UTF_8));
}
@Nullable
public static byte[] toSHA256(byte[] bytes) {
try {
MessageDigest md = MessageDigest.getInstance(SHA256);

4
lib_base/src/main/java/com/android/base/utils/security/SimpleRsa.java
Unescape View File

@ -16,6 +16,8 @@ import java.security.spec.X509EncodedKeySpec;
import javax.crypto.Cipher;
import androidx.annotation.Nullable;
public class SimpleRsa {
@ -49,6 +51,7 @@ public class SimpleRsa {
* @param content 加密字符串
* @return 加密后的字符串
*/
@Nullable
public static String encryptByPublic(String content, String RSA_PUBLIC_KEY) {
try {
PublicKey pubKey = getPublicKeyFromX509(ALGORITHM, RSA_PUBLIC_KEY);
@ -68,6 +71,7 @@ public class SimpleRsa {
* @param content 密文
* @return 解密后的字符串
*/
@Nullable
public static String decryptByPublic(String content, String RSA_PUBLIC_KEY) {
try {
PublicKey pubkey = getPublicKeyFromX509(ALGORITHM, RSA_PUBLIC_KEY);

4
lib_base/src/main/java/com/android/base/utils/security/security-utils.kt
Unescape View File

@ -3,10 +3,10 @@ package com.android.base.utils.security
import android.annotation.SuppressLint
fun md5(content: String): String {
return MD5Utils.md5(content)
return MD5Utils.md5(content) ?: ""
}
@SuppressLint("DefaultLocale")
fun md5UpperCase(content: String): String {
return MD5Utils.md5(content).toUpperCase()
return MD5Utils.md5(content)?.toUpperCase() ?: ""
}

Write Preview
Loading…
Cancel
Save