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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| { | ||
| "version": 3, | ||
| "artifactType": { | ||
| "type": "APK", | ||
| "kind": "Directory" | ||
| }, | ||
| "applicationId": "com.ethan.passwordbox", | ||
| "variantName": "release", | ||
| "elements": [ | ||
| { | ||
| "type": "SINGLE", | ||
| "filters": [], | ||
| "attributes": [], | ||
| "versionCode": 5, | ||
| "versionName": "3.0", | ||
| "outputFile": "app-release.apk" | ||
| } | ||
| ], | ||
| "elementType": "File" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package com.ethan.passwordbox.encrypt; | ||
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|
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| import android.util.Base64; | ||
| import android.util.Log; | ||
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|
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| import com.ethan.passwordbox.config.Cons; | ||
|
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| import java.nio.charset.StandardCharsets; | ||
| import java.util.Arrays; | ||
|
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| import javax.crypto.Cipher; | ||
| import javax.crypto.spec.IvParameterSpec; | ||
| import javax.crypto.spec.SecretKeySpec; | ||
|
|
||
| /** | ||
| * NOTE: | ||
| * | ||
| * @author Ethan 2022/7/10 | ||
| */ | ||
| public class AES { | ||
| private static final String TAG = "AESCBCUtils"; | ||
|
|
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| // CBC(Cipher Block Chaining, 加密块链)模式，PKCS5Padding补码方式 | ||
| // AES是加密方式 CBC是工作模式 PKCS5Padding是填充模式 | ||
| private static final String CBC_PKCS5_PADDING = "AES/CBC/PKCS5Padding"; | ||
| private static final String AES = "AES"; | ||
|
|
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| /** | ||
| * AES 加密 | ||
| * | ||
| * @param strClearText 待加密内容 | ||
| * @return 返回Base64转码后的加密数据 | ||
| */ | ||
| public static String encrypt_AES(String strClearText) { | ||
|
|
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| try { | ||
| byte[] raw = Cons.Encrypt.PRIVATE_KEY.getBytes(); | ||
| // 创建AES密钥 | ||
| SecretKeySpec skeySpec = new SecretKeySpec(raw, AES); | ||
| // 创建密码器 | ||
| Cipher cipher = Cipher.getInstance(CBC_PKCS5_PADDING); | ||
| // 创建偏移量 | ||
| IvParameterSpec iv = new IvParameterSpec(Cons.Encrypt.IV_PARAMETER.getBytes()); | ||
| // 初始化加密器 | ||
| cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv); | ||
| // 执行加密操作 | ||
| byte[] cipherText = cipher.doFinal(strClearText.getBytes()); | ||
| Log.d(TAG, "encrypt result(not BASE64): " + Arrays.toString(cipherText)); | ||
| // encode it by BASE64 again | ||
| String strBase64Content = Base64.encodeToString(cipherText, Base64.DEFAULT); | ||
| Log.d(TAG, "encrypt result(BASE64): " + strBase64Content); | ||
| // strBase64Content = strBase64Content.replaceAll(System.getProperty("line.separator"), ""); | ||
|
|
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| return strBase64Content; | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
|
|
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| return null; | ||
| } | ||
|
|
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| /** | ||
| * AES 解密 | ||
| * | ||
| * @param strCipherText 待解密内容 | ||
| * @return 返回Base64转码后的加密数据 | ||
| */ | ||
| public static String decrypt(String strCipherText) throws Exception { | ||
|
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| try { | ||
| byte[] raw = Cons.Encrypt.PRIVATE_KEY.getBytes(StandardCharsets.US_ASCII); | ||
| // 创建AES秘钥 | ||
| SecretKeySpec skeySpec = new SecretKeySpec(raw, AES); | ||
| // 创建密码器 | ||
| Cipher cipher = Cipher.getInstance(CBC_PKCS5_PADDING); | ||
| // 创建偏移量 | ||
| IvParameterSpec iv = new IvParameterSpec(Cons.Encrypt.IV_PARAMETER.getBytes()); | ||
| // 初始化解密器 | ||
| cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv); | ||
| // 执行解密操作 decode by BASE64 first | ||
| byte[] cipherText = Base64.decode(strCipherText, Base64.DEFAULT); | ||
| Log.d(TAG, "BASE64 decode result(): " + Arrays.toString(cipherText)); | ||
| byte[] clearText = cipher.doFinal(cipherText); | ||
| String strClearText = new String(clearText); | ||
| Log.d(TAG, "decrypt result: " + strClearText); | ||
|
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| return strClearText; | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
|
|
||
| return null; | ||
| } | ||
| } |
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