{"id":1001,"date":"2021-03-26T10:45:39","date_gmt":"2021-03-26T02:45:39","guid":{"rendered":"http:\/\/davidblus.top\/wordpress\/?p=1001"},"modified":"2021-03-26T11:36:59","modified_gmt":"2021-03-26T03:36:59","slug":"xiao_hong_shu_shield_suan_fa_ni_xiang_po_jie","status":"publish","type":"post","link":"http:\/\/davidblus.top\/wordpress\/index.php\/2021\/03\/26\/xiao_hong_shu_shield_suan_fa_ni_xiang_po_jie\/","title":{"rendered":"\u5c0f\u7ea2\u4e66shield\u7b97\u6cd5\u9006\u5411\u7834\u89e3"},"content":{"rendered":"

\u5c0f\u7ea2\u4e66shield\u7b97\u6cd5\u9006\u5411\u7834\u89e3<\/h1>\n

\u524d\u8a00<\/h2>\n

\u5c0f\u7ea2\u4e66\uff0c\u5e74\u8f7b\u4eba\u7ecf\u5e38\u79cd\u8349\u7684app\uff0c\u5185\u5bb9\u8fd8\u662f\u6bd4\u8f83\u4e30\u5bcc\u7684\uff0c\u4f46\u662fweb\u7aef\u80fd\u591f\u6d4f\u89c8\u7684\u6570\u636e\u975e\u5e38\u7684\u5c11\uff0capp\u7aef\u4e0a\u7684\u5185\u5bb9\u6bd4\u8f83\u5168\u9762\uff0c\u4f46\u662fapp\u7aef\u4e0a\u9762\u9700\u8981\u767b\u5f55\u4e4b\u540e\u624d\u80fd\u8fdb\u5165\uff0c\u6e38\u5ba2\u65e0\u6cd5\u67e5\u770b\u5185\u5bb9\uff0c\u5185\u5bb9\u7ba1\u7684\u8fd8\u662f\u633a\u4e25\u7684\u3002\u5728\u5c1d\u8bd5\u6293\u53d6app\u7aef\u6570\u636e\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53d1\u73b0\u5176\u6570\u636e\u63a5\u53e3\u5b58\u5728\u4e24\u4e2a\u6821\u9a8c\u53c2\u6570\uff0csign\u548cshield\uff0c\u7b14\u8005\u672c\u7740\u5b66\u672f\u4ea4\u6d41\u7684\u76ee\u7684\u7814\u7a76\u4e86\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u53c2\u6570\u7684\u751f\u6210\u7b97\u6cd5\u3002\u6700\u7ec8\u6210\u529f\u7834\u89e3\u4e86\u8fd9\u4e24\u4e2a\u53c2\u6570\u7684\u751f\u6210\u7b97\u6cd5\uff0csign\u4e3b\u8981\u662fjava\u5c42\u7684\u9006\u5411\uff0cshield\u4e3b\u8981\u662fc\u5c42\u7684\u9006\u5411\uff0c\u66f4\u52a0\u719f\u7ec3\u7684\u4f7f\u7528frida\u8fdb\u884c\u52a8\u6001\u5206\u6790\u3002\u6700\u540e\u6ce8\u610f\u7b14\u8005\u7834\u89e3\u7684app\u7248\u672c\u8f83\u4f4e\uff0cc\u5c42\u6ca1\u6709\u9047\u5230\u52a0\u5bc6\u548c\u6df7\u6dc6\u7684\u95ee\u9898\uff0c\u672c\u6587\u4e5f\u5c31\u4ec5\u4ec5\u76f8\u5f53\u4e8ec\u5c42\u7b97\u6cd5\u7834\u89e3\u7684\u5165\u95e8\u63a2\u7d22\uff0c\u53ef\u4f9b\u53c2\u8003\u3002<\/p>\n

\u524d\u8f88\u7684\u5de5\u4f5c<\/h2>\n

\u4f9d\u7136\u9996\u5148\u5728\u7f51\u7edc\u4e0a\u627e\u5bfb\u76f8\u5173\u8d44\u6599\uff0c\u76ee\u524d\u6bd4\u8f83\u9760\u8c31\u7684\u6587\u7ae0\u5982\u4e0b\uff1a\u9006\u5411\u67d0\u7535\u5546\u793e\u533aapp<\/a>\u3001\u6d45\u8c08\u5b89\u5353\u9006\u5411\u534f\u8bae\uff08\u56db\uff09- ida pro – \u5c0f\u7ea2\u4e66<\/a>\uff0c\u611f\u8c22\u524d\u8f88\uff0c\u5411\u524d\u8f88\u5b66\u4e60\u3002\u4ece\u4ee5\u4e0a\u6587\u7ae0\u4e2d\u80fd\u591f\u5f97\u51fa\uff0csign\u6bd4\u8f83\u7b80\u5355\uff0c\u7b2c\u4e8c\u7bc7\u6587\u7ae0\u5df2\u7ecf\u628apython\u5b9e\u73b0\u6e90\u7801\u653e\u51fa\u6765\u4e86\uff1b\u4f46\u662fshield\u5219\u6bd4\u8f83\u590d\u6742\uff0c\u7b14\u8005\u4e3b\u8981\u662f\u53c2\u8003\u7740\u7b2c\u4e00\u7bc7\u6587\u7ae0\u8fdb\u884c\u5206\u6790\u7684\u3002<\/p>\n

\u6837\u672c<\/h2>\n

\u9006\u5411\u6216\u8005\u8bf4\u5206\u6790\u65f6\uff0c\u6837\u672c\u5f88\u91cd\u8981\uff0c\u540c\u4e00\u4e2aapp\uff0c\u4e0d\u540c\u7684\u7248\u672c\u5dee\u522b\u4e5f\u53ef\u80fd\u5f88\u5927\uff0c\u800c\u4e14\u968f\u7740\u7248\u672c\u7684\u5347\u7ea7\uff0c\u5b89\u5168\u9632\u5fa1\u63aa\u65bd\u5f80\u5f80\u4f1a\u8d8a\u6765\u8d8a\u5f3a\uff0c\u672c\u6587\u7528\u7684\u662f\u5c0f\u7ea2\u4e66<\/a>android:versionName=”5.22.0″\uff0c\u7ecf\u8fc7\u7b14\u8005\u6d4b\u8bd5\uff0c\u8be5\u7248\u672c\u662f\u76ee\u524d\u80fd\u6b63\u5e38\u4f7f\u7528\u7684\u6700\u4f4e\u7248\u672c\uff0c\u53ef\u4ee5\u4ece\u8be5\u94fe\u63a5\u4e0b\u8f7d\u6837\u672c\u4ee5\u4f9b\u540e\u7eed\u5206\u6790\u3002\u5176\u5b9e\u6700\u5f00\u59cb\u7b14\u8005\u5206\u6790\u7684\u662f5.17.0\u7248\u672c\uff0c\u4f46\u662f\u540e\u6765\u8fd9\u4e2a\u7248\u672c\u4e0d\u80fd\u7528\u4e86\uff0c\u624d\u627e\u52305.22.0\u7248\u672c\uff0c\u6bd4\u8f83\u8212\u670d\u7684\u662fshield\u90e8\u5206\u7684\u4ee3\u7801\u57fa\u672c\u6ca1\u4ec0\u4e48\u5dee\u522b\u3002<\/p>\n

\u9006\u5411<\/h2>\n

Java\u90e8\u5206<\/h3>\n

\u8be5\u90e8\u5206\u7684\u9006\u5411\u5206\u6790\u65b9\u6cd5\u53ef\u4ee5\u53c2\u8003\u7b14\u8005\u4e4b\u524d\u5199\u7684\u6587\u7ae0\uff1a\u6296\u97f3\u706b\u5c71\u7248\u8bbe\u5907\u6ce8\u518c\u751f\u6210device_id\u4e0eiid<\/a>\u3002\u65b9\u6cd5\u8bba\u57fa\u672c\u90fd\u662f\u76f8\u540c\u7684\uff0c\u5bf9\u4e8e\u5c0f\u7ea2\u4e66\uff0c\u641c\u7d22\u7684\u5173\u952e\u5b57\u7b26\u4e32\u662fsign\uff0csign\u7b97\u6cd5\u662f\u5728Java\u90e8\u5206\u5b9e\u73b0\u7684\uff0c\u5728\u6b64\u5c31\u4e0d\u5728\u8d58\u8ff0\uff0c\u53ef\u4ee5\u76f4\u63a5\u53bb\u770b\u4e0a\u9762\u63a8\u8350\u7684\u524d\u8f88\u7684\u5de5\u4f5c\u4e2d\u7b2c\u4e8c\u7bc7\u6587\u7ae0\u3002<\/p>\n

C\/C++\u90e8\u5206<\/h3>\n

\u8be5\u90e8\u5206\u7684\u9006\u5411\u4e3b\u8981\u53c2\u8003\u524d\u8f88\u7684\u5de5\u4f5c\u4e2d\u7b2c\u4e00\u7bc7\u6587\u7ae0\uff0c\u4e0d\u8fc7\u5206\u6790\u7684app\u7248\u672c\u4e0d\u540c\uff0c\u591a\u5c11\u4f1a\u6709\u70b9\u5dee\u5f02\u3002<\/p>\n

native\u5f00\u53d1\u77e5\u8bc6<\/h4>\n

Android JNI \u9759\u6001\u6ce8\u518c\u4e0e\u52a8\u6001\u6ce8\u518c\u4ee3\u7801\u5907\u5fd8\u5f55<\/a>\uff0cJNI\u5b66\u4e60\u7b14\u8bb0\uff1aJNIEnv\u3001jobject\u4e0ejclass\u8be6\u89e3<\/a>\uff0cAndroid Studio NDK\u5f00\u53d1-JNI\u8c03\u7528Java\u65b9\u6cd5<\/a>\uff0c\u7b80\u5355\u7684\u4f7f\u7528jni\u8c03\u7528java\u65b9\u6cd5\u2014\u2014\u591a\u53c2\u6570<\/a>\uff0cJNI \u63d0\u793a<\/a>\u3002\u8fd9\u51e0\u7bc7\u6587\u6863\u5206\u522b\u4ecb\u7ecd\u4e86native\u5f00\u53d1\u65f6\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u53ef\u4ee5\u5148\u5927\u81f4\u770b\u4e0b\u3002<\/p>\n

\u9759\u6001\u5206\u6790<\/h4>\n

C\u90e8\u5206\u7684\u9759\u6001\u5206\u6790\u5de5\u5177\u4e0d\u50cfJava\u90e8\u5206\uff0c\u53cd\u7f16\u8bd1\u8f6f\u4ef6\u53ea\u6709\u4e00\u4e2a\u9996\u9009\uff0c\u5927\u6740\u5668IDA<\/a>\uff0c\u7b14\u8005\u4f7f\u7528\u7684\u662fida7.0\uff0c\u8fd9\u4e2a\u8f6f\u4ef6\u7f51\u4e0a\u627e\u627e\u5e94\u8be5\u80fd\u4e0b\u8f7d\u5230\u9002\u5408\u81ea\u5df1\u64cd\u4f5c\u7cfb\u7edf\u7684\u7248\u672c\u7684\u3002\u5e9f\u8bdd\u4e0d\u591a\u8bf4\uff0c\u4e0b\u9762\u5c31\u5f00\u59cb\u5427\u3002<\/p>\n

Android native\u5f00\u53d1\u4f1a\u4ea7\u751f\u52a8\u6001\u94fe\u63a5\u5e93\uff0c\u4e5f\u5c31\u662f\u5404\u4e2aso\u6587\u4ef6\uff0c\u5728app\u6253\u5305\u65f6\uff0c\u4f1a\u653e\u5728apk\u8fd9\u4e2a\u538b\u7f29\u6587\u4ef6\u4e2d\u7684lib\u6587\u4ef6\u5939\u4e0b\uff0c\u6839\u636e\u8fd0\u884c\u65f6\u7684Android\u7cfb\u7edfcpu\u9009\u62e9\u5408\u9002\u7684abi\u6587\u4ef6\u5939\uff0c\u6bd4\u8f83\u57fa\u7840\u7684abi\u662farmeabi\uff0c\u672c\u6587\u4e2d\u7b14\u8005\u5c31\u662f\u9009\u62e9\u7684armeabi\u6587\u4ef6\u5939\u4e2d\u7684libshield.so\u6587\u4ef6\u8fdb\u884c\u5206\u6790\uff0c\u81f3\u4e8e\u4e3a\u4ec0\u4e48\u662f\u8fd9\u4e2aso\u6587\u4ef6\uff0c\u524d\u8f88\u7684\u610f\u601d\u662f\u5b83\u975e\u5e38\u624e\u773c\u3002<\/p>\n

ida\u6253\u5f00libshield.so\u6587\u4ef6\uff0cida\u80fd\u81ea\u52a8\u8bc6\u522b\u51fa\u5176\u662farm\u6307\u4ee4\u96c6\u7684\u6587\u4ef6\uff0c\u4e5f\u4e0d\u7528\u8bbe\u7f6e\u4ec0\u4e48\uff0c\u76f4\u63a5OK\u8fdb\u5165\u3002ida\u4f1a\u8fdb\u884c\u53cd\u7f16\u8bd1\u5206\u6790\uff0c\u7a0d\u7b49\u4e00\u4f1a\u513f\u5373\u53ef\u5b8c\u6210\u3002\u63a5\u7740\u5c31\u53ef\u4ee5\u4eba\u5de5\u5206\u6790\u8be5\u6587\u4ef6\u4e86\uff0c\u5728\u524d\u8f88\u7684\u5de5\u4f5c\u4e2d\u7b2c\u4e00\u6b65\u8981\u5148\u8fdb\u884c\u4ee3\u7801\u52a8\u6001\u89e3\u5bc6\uff0c\u8fd9\u90e8\u5206\u5e94\u8be5\u662f\u9ad8\u7248\u672c\u624d\u52a0\u7684\u529f\u80fd\uff0c\u5bf9\u4e8e5.22.0\u7248\u672c\u7684app\uff0c\u5f88\u591a\u53cd\u9006\u5411\u7684\u5b89\u5168\u63aa\u65bd\u8fd8\u5e76\u6ca1\u6709\u51fa\u73b0\uff0c\u56e0\u6b64\u5206\u6790\u8d77\u6765\u975e\u5e38\u987a\u624b\u3002\u5206\u6790\u7684\u7b2c\u4e00\u6b65\u4f9d\u7136\u662f\u5b57\u7b26\u4e32\u641c\u7d22\uff0c\u5bfb\u627e\u201cshield\u201d\u5b57\u7b26\u4e32\uff0cView->Open subviews->Strings\uff08\u5feb\u6377\u952e\uff1ashift+F12\uff09\uff0c\u4ece\u6253\u5f00\u7684\u5b57\u7b26\u4e32\u7a97\u53e3\u4e2d\u5bfb\u627eshield\u5b57\u7b26\u4e32\uff0c\u8089\u773c\u770b\u4e0d\u5927\u597d\u770b\uff0c\u76f4\u63a5\u9009\u4e2d\u8be5\u7a97\u53e3\uff0c\u7136\u540e\u952e\u76d8\u6572\u51fbshield\u5373\u53ef\u5feb\u901f\u5b9a\u4f4d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u53cc\u51fb\u8fdb\u5165\u67e5\u770b\u76f8\u5173\u4ee3\u7801\uff0c\u80fd\u591f\u53d1\u73b0\u4e24\u5904\u5f15\u7528\uff0c\u7ee7\u7eed\u67e5\u770b\u8fd9\u4e24\u5904\u5f15\u7528\u6240\u5728\u7684\u4ee3\u7801\uff0c\u5176\u5b9e\u6700\u540e\u90fd\u662f\u6307\u5411\u540c\u4e00\u5904\u4ee3\u7801\u3002\u5206\u6790\u76f8\u5173\u4ee3\u7801\u65f6\uff0c\u9ed8\u8ba4\u662farm\u7684\u6c47\u7f16\u8bed\u53e5\uff0c\u4f46\u662fida\u6709\u4e00\u4e2a\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u80fd\u591f\u7ee7\u7eed\u53cd\u7f16\u8bd1\u4e3a\u7c7bc\u7684\u4f2a\u4ee3\u7801\uff0cView->Open subviews->Generate pseudocode\uff08\u5feb\u6377\u952e\uff1aF5\uff09\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u80fd\u591f\u4ece\u56fe\u4e2d\u770b\u51fa\u8c03\u7528\u4e86\u5f88\u591a\u51fd\u6570\uff0c\u4f46\u662f\u5927\u90e8\u5206\u90fd\u662f\u901a\u8fc7\u504f\u79fb\u5730\u5740\u6765\u8c03\u7528\u7684\uff0c\u540c\u65f6ida\u5e76\u6ca1\u6709\u81ea\u52a8\u7684\u8bc6\u522b\u51faJNIEnv\u7ed3\u6784\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u4eba\u5de5\u624b\u52a8\u6539\u4e00\u4e0b\uff0c\u628a\u67d0\u4e9b\u5df2\u77e5\u7684\u6570\u636e\u7c7b\u578b\u7ed9\u8f6c\u6362\u4e00\u4e0b\uff0c\u6bd4\u5982\u5e38\u89c1\u7684JNIEnv*<\/code>\u7ed3\u6784\uff0c\u8be6\u7ec6\u4e86\u89e3\u53ef\u53c2\u8003IDA \u8fd8\u539fJNI\u51fd\u6570\u65b9\u6cd5\u540d \u7684\u4e09\u79cd\u65b9\u6cd5<\/a>\u3002\u6839\u636e_JNIEnv::CallObjectMethod<\/code>\u65b9\u6cd5\u7684\u5b9a\u4e49\uff0c\u6211\u4eec\u77e5\u9053\u7b2c\u4e00\u4e2a\u53c2\u6570v9\u7684\u6570\u636e\u7c7b\u578b\u5c31\u662fJNIEnv*<\/code>\uff0c\u56e0\u6b64\u66f4\u6539\u5176\u6570\u636e\u7c7b\u578b\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
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\n\u53e6\u5916\u8fd8\u53ef\u4ee5\u5728\u8fd9\u4e9b\u8bc6\u522b\u51fa\u6765\u7684jni\u51fd\u6570\u4e0a \u53f3\u952e\u9f20\u6807->Force call type\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u8fd9\u6837\u4f1a\u663e\u5f97\u51fd\u6570\u66f4\u7b80\u6d01\uff0c\u4e0d\u8fc7\u8fd9\u5757\u5f71\u54cd\u4e0d\u5927\uff0c\u4e0d\u5f04\u4e5f\u65e0\u6240\u8c13\u3002\u53e6\u5916\u5728ida\u4e2d\u5206\u6790\u65f6\uff0c\u4e3a\u4e86\u66f4\u597d\u7684\u5206\u6790\uff0c\u7ecf\u5e38\u5bf9\u53d8\u91cf\u8fdb\u884c\u91cd\u547d\u540d\uff0c\u6bd4\u5982\u628av9\u91cd\u547d\u540d\u4e3ajniEnv\uff0c\u5c3d\u91cf\u8ba9\u4ee3\u7801\u770b\u8d77\u6765\u66f4\u6613\u8bfb\u4e00\u4e9b\u3002<\/p>\n

\u63a5\u7740\u770b\u8fd9\u90e8\u5206\u4ee3\u7801\uff0c\u80fd\u53d1\u73b0requestBuilderHeaderMethod\u51fd\u6570\uff0c\u901a\u8fc7\u67e5\u770b\u8be5\u65b9\u6cd5\u7684\u4ea4\u53c9\u5f15\u7528\uff0c\u80fd\u591f\u627e\u5230\u8fd9\u4e2a\u51fd\u6570\u5176\u5b9e\u6765\u81ea\u4e8ejava\u65b9\u6cd5\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u4e5f\u5c31\u77e5\u9053\u4e86\u8be5\u65b9\u6cd5\u5c31\u662fokhttp3\/Request$Builder<\/code>\u4e2d\u7684header(Ljava\/lang\/String;Ljava\/lang\/String;)Lokhttp3\/Request$Builder;<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u80fd\u591f\u4ece\u53cd\u7f16\u8bd1\u7684java\u4ee3\u7801\u4e2d\u627e\u5230\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5b83\u662f\u5c5e\u4e8eokhttp3\u8fd9\u4e2a\u7b2c\u4e09\u65b9\u5e93\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u80fd\u591f\u770b\u51fa\u8be5\u65b9\u6cd5\u9700\u8981\u4f20\u5165\u4e24\u4e2a\u53c2\u6570\uff0c\u5bf9\u5e94\u8bf7\u6c42\u5934\u4e2d\u7684key\u4e0evalue\uff0c\u8fd9\u6837\u6211\u4eec\u518d\u56de\u5230shield\u5904\u76f8\u5173\u7684\u4ee3\u7801\uff0c\u5c31\u80fd\u77e5\u9053\u5b83\u4e0b\u9762\u7684\u65b9\u6cd5\u8c03\u7528\u5c31\u662f\u8fdb\u884c\u8bf7\u6c42\u5934\u4e2dshield\u5b57\u6bb5\u7684\u8bbe\u7f6e\u4e86\uff0c\u53e6\u5916\u9700\u8981\u6ce8\u610f\u7684\u662fida\u5bf9\u4e8e_JNIEnv::CallObjectMethod<\/code>\u65b9\u6cd5\u65e0\u6cd5\u8bc6\u522b\u6b63\u786e\u7684\u53c2\u6570\u4e2a\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u624b\u52a8\u7684\u8bbe\u7f6e\u51fd\u6570\u7684\u53c2\u6570\u4e2a\u6570\uff0c\u4f9d\u7136\u662f\u5728\u51fd\u6570\u4e0a \u53f3\u952e\u9f20\u6807->Set item type\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u8fd9\u6837\u5c31\u4e00\u76ee\u4e86\u7136\uff0csign\u51fd\u6570\u7684\u7ed3\u679c\u5c31\u662fshield\u7684\u503c\u3002sign\u51fd\u6570\u6709\u4e09\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662fjnienv\uff0c\u4f46\u662f\u7b2c\u4e8c\u548c\u7b2c\u4e09\u4e2a\u53c2\u6570\u90fd\u4e0d\u77e5\u9053\u662f\u4ec0\u4e48\uff0c\u552f\u4e00\u80fd\u77e5\u9053\u7684\u5c31\u662f\u8fd9\u4e24\u4e2a\u53c2\u6570\u90fd\u662f\u4f20\u8fdb\u6765\u7684\uff0c\u90a3\u5c31\u5148\u627e\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u53c2\u6570\u7684\u6765\u5386\u5427\u3002\u901a\u8fc7\u67e5\u770b\u51fd\u6570\u7684\u4ea4\u53c9\u5f15\u7528\uff0c\u53d1\u73b0\u4e86\u5728java\u7aef\u58f0\u660e\u7684native\u65b9\u6cd5\uff1aprocess\u51fd\u6570\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\"Alt
\n\u4ee5\u4e0a\u4e24\u56fe\u5206\u522b\u5bf9\u5e94java\u7aef\u548cnative\u7aef\uff0cnative\u7aef\u88ab\u6211\u624b\u52a8\u5904\u7406\u4e86\u4e00\u4e0b\u3002\u80fd\u591f\u770b\u51fa\u8fd9\u4e2ajni\u51fd\u6570\u5e76\u4e0d\u662f\u9759\u6001\u6ce8\u518c\u7684\uff0c\u800c\u662f\u52a8\u6001\u6ce8\u518c\u7684\uff0c\u662f\u5728JNI_Onload\u4e2d\u8fdb\u884c\u52a8\u6001\u6ce8\u518c\u7684\uff0c\u672c\u6587\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n

\u4ece_process\u51fd\u6570\u4e2d\u80fd\u591f\u770b\u51fa\uff0c\u5176\u5728\u8bf7\u6c42\u5934\u4e2d\u8bbe\u7f6e\u4e86\u591a\u4e2a\u5b57\u6bb5\uff0c\u540c\u65f6\u4e5f\u7528sign\u51fd\u6570\u8ba1\u7b97\u4e86shield\uff0c\u800c\u4e14\u6211\u4eec\u80fd\u77e5\u9053\uff0csign\u51fd\u6570\u7684\u53e6\u5916\u4e24\u4e2a\u53c2\u6570\u662f\u6765\u81ea\u4e8ejava\u65b9\u6cd5\uff0c\u5206\u522b\u662furlBytesMethod\u548cdeviceIdMethod\uff0c\u540c\u6837\u6211\u4eec\u4e5f\u80fd\u5728java\u4e2d\u627e\u5230\u5bf9\u5e94\u7684\u65b9\u6cd5\uff0c\u8fd9\u6837\u57fa\u672c\u4e0a\u5c31\u627e\u5230\u4e86\u8fd9\u4e24\u4e2a\u53c2\u6570\uff0c\u770b\u5b83\u4eec\u7684\u547d\u540d\u5c31\u80fd\u77e5\u9053\u4e00\u4e2a\u662furl\u76f8\u5173\u6570\u636e\uff0c\u4e00\u4e2a\u662fdeviceId\u76f8\u5173\u6570\u636e\uff0c\u5177\u4f53\u662f\u4ec0\u4e48\u6682\u65f6\u5148\u4e0d\u7ba1\uff0c\u60f3\u770b\u7684\u8bdd\u53ef\u4ee5\u5f00\u53d1\u4e2axposed\u6a21\u5757\u5bf9\u8fd9\u4e24\u4e2ajava\u65b9\u6cd5\u8fdb\u884chook\u67e5\u770b\u3002<\/p>\n

\u90a3\u4e48\u73b0\u5728\u6211\u4eec\u56de\u5230sign\u51fd\u6570\uff0c\u770b\u770b\u5b83\u662f\u600e\u4e48\u5b9e\u73b0\u7684\uff0c\u7ecf\u8fc7\u7b14\u8005\u7684\u624b\u52a8\u4fee\u6539\u548c\u90e8\u5206\u731c\u6d4b\uff0c\u5f97\u5230\u8f83\u4e3a\u6613\u8bfb\u7684sign\u51fd\u6570\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u5927\u4f53\u8fc7\u7a0b\u662f\u628aurlBytes\u548cdeviceId\u505a\u4e00\u4e9b\u8f6c\u6362\uff0c\u540c\u65f6\u5bf9\u56fa\u5b9a\u5b57\u7b26\u4e32\u8fdb\u884c\u8f6c\u6362\uff0c\u8c03\u7528S\u51fd\u6570\uff0c\u5f97\u5230shield\u5b57\u8282\u6570\u636e\uff0c\u518d\u8f6c\u6362\u6570\u636e\u683c\u5f0f\u5c31\u5f97\u5230\u4e86shield\u5b57\u7b26\u4e32\u6570\u636e\u3002\u90a3\u4e48\u63a5\u7740\u770bS\u51fd\u6570\uff0c\u7ecf\u8fc7\u7b14\u8005\u731c\u6d4b\u4e0e\u4fee\u6539\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u5927\u4f53\u8fc7\u7a0b\u662fD0\u51fd\u6570\u8ba1\u7b97\u51fa\u7b97\u6cd5\u5b57\u7b26\u4e32v_s_str\uff0c\u4ece\u800c\u9009\u62e9S1-S4\u4e2d\u7684\u67d0\u4e00\u4e2a\u51fd\u6570\u8fdb\u884c\u8ba1\u7b97\u3002\u7ee7\u7eed\u770bD0\u51fd\u6570\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u80fd\u591f\u770b\u51fa\uff0c\u5229\u7528deviceId\u548c\u56fa\u5b9a\u5b57\u7b26\u4e32\uff0c\u5148\u751f\u6210\u5bc6\u94a5\uff0c\u7136\u540e\u8fdb\u884cdes\u89e3\u5bc6\u5f97\u5230v_s_str\u3002\u8fd9\u65f6\u5019\u6211\u4eec\u80fd\u591f\u60f3\u5230\uff0cdeviceId\u548c\u56fa\u5b9a\u5b57\u7b26\u4e32\u4e00\u76f4\u90fd\u662f\u56fa\u5b9a\u4e0d\u53d8\u7684\uff0c\u90a3\u4e48\u6700\u540e\u751f\u6210\u7684v_s_str\u4e00\u5b9a\u4e5f\u662f\u4e0d\u53d8\u7684\uff0c\u6240\u4ee5S1-S4\u8fd9\u56db\u4e2a\u51fd\u6570\uff0c\u7a0b\u5e8f\u8fd0\u884c\u65f6\u5e94\u8be5\u53ea\u4f1a\u4e00\u76f4\u8c03\u7528\u67d0\u4e00\u4e2a\u51fd\u6570\u3002\u540c\u65f6\uff0c\u6211\u4eec\u5927\u6982\u6d4f\u89c8\u4e00\u4e0b\u8fd9\u56db\u4e2a\u51fd\u6570\uff0c\u53d1\u73b0\u5b83\u4eec\u5f88\u50cf\uff0c\u90fd\u662f \u751f\u6210\u5bc6\u94a5->des\u5bf9\u79f0\u52a0\u5bc6->hash\u8ba1\u7b97\uff0c\u53ea\u4e0d\u8fc7\u5177\u4f53\u7b97\u6cd5\u6709\u6240\u5dee\u5f02\u3002<\/p>\n

\u7b14\u8005\u4e0d\u60f3\u518d\u9759\u6001\u5206\u6790\u6bcf\u4e00\u4e2aS1-S4\u51fd\u6570\u4e86\uff0c\u65e2\u7136\u7a0b\u5e8f\u8fd0\u884c\u65f6\u53ea\u4f1a\u8c03\u7528\u5176\u4e2d\u4e00\u4e2a\u51fd\u6570\uff0c\u90a3\u4e48\u5c31\u770b\u770b\u8fd0\u884c\u65f6\u7a76\u7adf\u8c03\u7528\u7684\u662f\u54ea\u4e2a\u51fd\u6570\uff0c\u7136\u540e\u518d\u5bf9\u5176\u8fdb\u884c\u5206\u6790\u3002\u52a8\u6001\u5206\u6790\u547c\u4e4b\u6b32\u51fa\uff01<\/p>\n

\u52a8\u6001\u5206\u6790<\/h4>\n

native\u5c42\u7684\u52a8\u6001\u5206\u6790\uff0cxposed\u5c31\u5931\u53bb\u4e86\u7528\u6b66\u4e4b\u5730\uff0c\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\u53e6\u4e00\u4e2a\u6210\u719f\u7684hook\u6846\u67b6\u2014\u2014Frida<\/a>\u3002frida\u7684\u5177\u4f53\u539f\u7406\u8fd9\u91cc\u4e5f\u4e0d\u518d\u8d58\u8ff0\uff0c\u5b98\u65b9\u6587\u6863\u7684\u8bf4\u660e\u5df2\u7ecf\u6bd4\u8f83\u8be6\u7ec6\u4e86\u3002\u7b14\u8005\u4e4b\u524d\u5bf9\u8fd9\u4e2a\u6846\u67b6\u7684\u4f7f\u7528\u4e5f\u4e0d\u592a\u719f\u7ec3\uff0c\u867d\u7136\u5b98\u65b9\u6587\u6863\u5bf9JavaScript API<\/a>\u7684\u8bf4\u660e\u5f88\u8be6\u7ec6\uff0c\u4f46\u662f\u5bf9native\u5c42hook\u7684\u5b9e\u4f8b\u5374\u5f88\u5c11\uff0c\u5728\u5b9e\u9645\u4f7f\u7528\u65f6\u5f80\u5f80\u4e0d\u77e5\u5982\u4f55\u4e0b\u624b\uff0c\u7b14\u8005\u5728\u5b66\u4e60\u7684\u8fc7\u7a0b\u4e2d\u4e3b\u8981\u53c2\u8003\u975e\u866b\u5927\u4f6c\u7684Android \u8f6f\u4ef6\u5b89\u5168\u6743\u5a01\u6307\u5357<\/a>\u4e2d\u5173\u4e8efrida\u7684native hook\u90e8\u5206\uff0c\u4ee5\u53ca\u7f51\u4e0a\u5927\u4f6c\u7684\u4e00\u4e9b\u8d44\u6599\uff0c\u6bd4\u5982frida_hook_libart<\/a>\u3002\u5b66\u4e60frida\u90e8\u5206\u5927\u5bb6\u53ef\u4ee5\u4ece\u7f51\u4e0a\u627e\u5230\u5404\u79cd\u8d44\u6599\uff0c\u591a\u591a\u5b9e\u8df5\u64cd\u4f5c\u4e00\u4e0b\u5c31\u719f\u6089\u4e86\u3002\u53e6\u5916\uff0c\u770b\u96ea\u4e0a\u6709\u4e2a\u5e16\u5b50\u4e0d\u9519\uff0c\u540e\u9762\u6709\u7a7a\u4e86\u7b14\u8005\u4e5f\u6253\u7b97\u5b66\u4e60\u5b66\u4e60\uff1a[\u539f\u521b]FRIDA \u4f7f\u7528\u7ecf\u9a8c\u4ea4\u6d41\u5206\u4eab<\/a>\u3002<\/p>\n

\u4ece\u4e0a\u4e00\u8282\u4e2d\u6211\u4eec\u77e5\u9053\uff0c\u73b0\u5728\u7684\u5206\u6790\u76ee\u7684\u662f\u60f3\u8981\u77e5\u9053v_s_str\u7684\u5185\u5bb9\u7a76\u7adf\u662f\u4ec0\u4e48\uff0c\u53ef\u9009\u7684\u8303\u56f4\u662f\uff1aS1\u3001S2\u3001S3\u3001S4\u8fd9\u56db\u79cd\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u5728D0\u51fd\u6570\u8c03\u7528\u7ed3\u675f\u4e4b\u540e\u67e5\u770bv_decrypted_s_str\u7684\u503c\u662f\u4ec0\u4e48\uff0c\u8fdb\u884chook\u3002\u4e0b\u9762\u76f4\u63a5\u7ed9\u51fafrida\u76f8\u5e94\u7684js\u4ee3\u7801\uff1a<\/p>\n

function hookD0() {\n    \/\/ \u51fd\u6570\u7684\u5bfc\u51fa\u7b26\u53f7\n    var addrD0 = Module.findExportByName(\"libshield.so\", \"_Z2D0PKhPhS1_ii\");\n    console.log(\"_Z2D0PKhPhS1_ii address:\" + addrD0);\n    \/\/ \u6307\u5b9a\u5730\u5740\u8fdb\u884c\u6302\u94a9\n    Interceptor.attach(addrD0, {\n        onEnter: function (args) {\n            console.log(\"D0 onEnter\");\n            this.decrypted_s = args[1];\n\n        },\n        onLeave: function (retval) {\n            var s_str_len = retval;\n            var decrypted_s_str = Memory.readCString(this.decrypted_s);\n\n            console.log(\"D0 onLeave, s_str_len=\" + s_str_len + \", decrypted_s_str=\" + decrypted_s_str);\n        }\n    });\n}\n<\/code><\/pre>\n
\u4ece\u4ee5\u4e0a\u4ee3\u7801\u4e2d\u80fd\u591f\u770b\u51fa\uff0c\u9996\u5148\u627e\u5230\u8981hook\u7684\u5bfc\u51fa\u51fd\u6570\uff0c\u7136\u540e\u5728hook\u65f6\uff0c\u5728\u8fdb\u5165\u8be5\u51fd\u6570\u65f6\u4fdd\u5b58\u4e0b\u60f3\u8981\u67e5\u770b\u7684\u53c2\u6570\u5730\u5740\uff0c\u5229\u7528this\u5bf9\u8c61\uff0c\u5728\u9000\u51fa\u8be5\u51fd\u6570\u65f6\u6253\u5370\u51fa\u8be5\u53c2\u6570\u3002\u5176\u4e2d\u7528\u5230\u7684js api\u90fd\u80fd\u5728\u5b98\u65b9\u6587\u6863\u4e2d\u627e\u5230\u8be6\u7ec6\u8bf4\u660e\u3002\u4e0b\u9762\u770b\u770b\u8fd0\u884c\u65f6\u7684\u6548\u679c\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u4ece\u56fe\u4e2d\u80fd\u591f\u770b\u51fa\uff0cv_decrypted_s_str\u5c31\u662fS1\u5b57\u7b26\u4e32\uff0c\u800c\u4e14\u7ecf\u8fc7\u7b14\u8005\u591a\u6b21\u6d4b\u8bd5\uff0c\u4e0d\u8bba\u8bbf\u95eeapp\u4e0a\u7684\u4ec0\u4e48\u9875\u9762\uff0c\u6253\u51fa\u6765\u7684\u65e5\u5fd7\u90fd\u662fS1\u5b57\u7b26\u4e32\uff0c\u90a3\u4e48\u5c31\u9a8c\u8bc1\u4e86\u6211\u4eec\u4e4b\u524d\u7684\u731c\u60f3\uff0cv_s_str\u679c\u7136\u662f\u56fa\u5b9a\u4e0d\u53d8\u7684\uff0c\u56fa\u5b9a\u4e3aS1\uff01<\/p>\n
\u65e2\u7136\u77e5\u9053\u4e86\u662fS1\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u53bbS1\u51fd\u6570\u4e2d\u53bb\u7ee7\u7eed\u5206\u6790\u5427\u3002\u7ecf\u8fc7\u7b14\u8005\u624b\u52a8\u731c\u6d4b\u4e0e\u4fee\u6539\uff0cS1\u51fd\u6570\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u4ece\u56fe\u4e2d\u80fd\u591f\u770b\u51fa\uff0c\u5927\u6982\u662f\u5148\u7528r_generate_key\u751f\u6210\u5bf9\u79f0\u5bc6\u94a5\uff0c\u7136\u540e\u7528des\u52a0\u5bc6\uff0c\u6700\u540e\u628a\u7ed3\u679c\u8fdb\u884cmd5\uff0c\u4ece\u800c\u751f\u6210\u6700\u540e\u7684v_shield_bytes\u3002\u8fdb\u5165r_generate_key\u51fd\u6570\u80fd\u591f\u770b\u5230\u8c03\u7528\u4e86md5\uff0c\u7136\u540e\u53d6\u7ed3\u679c\u7684[4:20]\uff0c\u6b63\u5982\u524d\u8f88\u7684\u6587\u7ae0\u4e2d\u5206\u6790\u7684\u90a3\u6837\uff0c\u5b9e\u73b0\u8fc7\u7a0b\u53ef\u4ee5\u76f4\u63a5\u770barm\u6c47\u7f16\uff0cida\u53cd\u7f16\u8bd1\u7684c\u4e0d\u592a\u6e05\u6670\uff0c\u5173\u952e\u662f\u8981\u7406\u89e3\u4e00\u4e2a\u5b57\u82828\u4f4d\uff0c\u8f6c\u621016\u8fdb\u5236\u4e4b\u540e\u5c31\u53d8\u6210\u4e860xff\u8fd9\u79cd\u6837\u5b50\u3002\u63a5\u7740\u7ee7\u7eed\u770b\u6bd4\u8f83\u5173\u952e\u7684des\u52a0\u5bc6\u51fd\u6570\uff0c\u4e5f\u5c31\u662f\u4e0a\u56fe\u4e2d\u7684r_des_enc\u51fd\u6570\uff0c\u7ecf\u8fc7\u7b14\u8005\u624b\u52a8\u4fee\u6539\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u4ece\u56fe\u4e2d\u80fd\u591f\u770b\u51fa\uff0c\u8fd9\u5c31\u662f\u4e00\u4e2a\u57fa\u672c\u7684des\u52a0\u5bc6\u8fc7\u7a0b\uff0c\u5148\u8bbe\u7f6epadding\u6a21\u5f0f\uff0c\u7136\u540e\u7528\u5bc6\u94a5\u8fdb\u884c\u52a0\u5bc6\u3002\u8bdd\u4e0d\u591a\u8bf4\uff0c\u7ee7\u7eedhook\u8fd9\u4e24\u4e2a\u51fd\u6570\u770b\u770b\u6548\u679c\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
function hook_r_generate_key() {\n    \/\/ \u51fd\u6570\u7684\u5bfc\u51fa\u7b26\u53f7\n    var addr_r_generate_key = Module.findExportByName(\"libshield.so\", \"_Z14r_generate_keyPKhPhi\");\n    console.log(\"_Z14r_generate_keyPKhPhi address:\" + addr_r_generate_key);\n    \/\/ \u6307\u5b9a\u5730\u5740\u8fdb\u884c\u6302\u94a9\n    Interceptor.attach(addr_r_generate_key, {\n        onEnter: function (args) {\n            var urlBytes_len_in = args[2].toInt32();\n            var urlBytes_array_in = Memory.readCString(args[0], urlBytes_len_in);\n            this.urlBytes_key = args[1];\n\n            console.log(\"r_generate_key onEnter, urlBytes_array_in=\" + urlBytes_array_in + \", urlBytes_len_in=\" + urlBytes_len_in);\n        },\n        onLeave: function (retval) {\n            var urlBytes_key_hex = hexdump(Memory.readByteArray(this.urlBytes_key, 8));\n\n            console.log(\"r_generate_key onLeave, urlBytes_key_hex=\\n\" + urlBytes_key_hex);\n        }\n    });\n}\n\nfunction hook_r_des_enc() {\n    \/\/ \u51fd\u6570\u7684\u5bfc\u51fa\u7b26\u53f7\n    var addr_r_des_enc = Module.findExportByName(\"libshield.so\", \"_Z9r_des_encPKhPhS1_ii\");\n    console.log(\"_Z9r_des_encPKhPhS1_ii address:\" + addr_r_des_enc);\n    \/\/ \u6307\u5b9a\u5730\u5740\u8fdb\u884c\u6302\u94a9\n    Interceptor.attach(addr_r_des_enc, {\n        onEnter: function (args) {\n            var urlBytes_len_in = args[3].toInt32();\n            var urlBytes_array_in = Memory.readCString(args[0], urlBytes_len_in);\n            var urlBytes_key_hex = hexdump(Memory.readByteArray(args[1], 8));\n            this.encrypt_out = args[2];\n\n            console.log(\"r_des_enc onEnter, urlBytes_array_in=\" + urlBytes_array_in + \", urlBytes_len_in=\" + urlBytes_len_in + \", urlBytes_key_hex=\\n\" + urlBytes_key_hex);\n        },\n        onLeave: function (retval) {\n            var encrypt_len = retval.toInt32();\n            var encrypt_out_hex = hexdump(Memory.readByteArray(this.encrypt_out, encrypt_len));\n\n            console.log(\"r_des_enc onLeave, encrypt_len=\" + encrypt_len + \", encrypt_out_hex=\\n\" + encrypt_out_hex);\n        }\n    });\n}\n<\/code><\/pre>\n
\u7b14\u8005\u5728\u7f16\u5199\u4ee5\u4e0a\u4ee3\u7801\u65f6\u8017\u65f6\u8f83\u957f\uff0c\u4e3b\u8981\u8fd8\u662f\u5bf9frida\u7684js api\u4e0d\u719f\u6089\u5bfc\u81f4\u7684\uff0c\u53e6\u5916\u8981\u63d0\u7684\u4e00\u70b9\u662fhexdump\u8fd9\u4e2a\u51fd\u6570\u7b80\u76f4\u592a\u597d\u7528\u4e86\uff0c\u9605\u8bfb\u5b57\u8282\u4e0d\u518d\u662f\u95ee\u9898\u3002\u4e0b\u9762\u6765\u770b\u770b\u6548\u679c\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt
\n\u80fd\u591f\u770b\u51fa\uff0cr_generate_key\u88ab\u8c03\u7528\u4e86\u4e24\u6b21\uff0c\u662f\u56e0\u4e3aD0\u51fd\u6570\u4e2d\u4e5f\u8c03\u7528\u4e86r_generate_key\uff0c\u80fd\u591f\u4ece\u8c03\u7528\u53c2\u6570\u4e2d\u770b\u51fa\u533a\u522b\uff0c\u8fd9\u91cc\u6211\u4eec\u4e3b\u8981\u770b\u7b2c\u4e8c\u6b21\u8c03\u7528\uff0c\u4e0e\u7d27\u63a5\u7740\u7684r_des_enc\u8c03\u7528\u3002\u901a\u8fc7hook\uff0c\u6211\u4eec\u62ff\u5230\u4e86\u8ba1\u7b97\u65f6\u7684\u53c2\u6570\uff0c\u4ee5\u53ca\u8ba1\u7b97\u5b8c\u6210\u540e\u7684\u7ed3\u679c\uff0c\u5206\u522b\u5bf9\u5e94\u51fd\u6570onEnter\u4e0eonLeave\u65f6\u6253\u5370\u7684\u6570\u636e\u3002<\/p>\n
\u6709\u4e86\u4ee5\u4e0a\u6570\u636e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5bf9\u4e0a\u9762\u5206\u6790\u8fc7\u7684\u8ba1\u7b97\u8fc7\u7a0b\u8fdb\u884c\u9a8c\u8bc1\uff0c\u9a8c\u8bc1r_generate_key\u51fd\u6570\u662f\u5426\u5c31\u662fmd5\u4e4b\u540e\u53d6[4:20]\uff0c\u9a8c\u8bc1r_des_enc\u662f\u5426\u5c31\u662fdes\u52a0\u5bc6\u8fc7\u7a0b\u3002r_generate_key\u51fd\u6570\u6bd4\u8f83\u5bb9\u6613\u9a8c\u8bc1\uff0c\u6211\u4eec\u53ef\u4ee5\u627e\u5230\u4efb\u4f55\u4e00\u4e2a\u5728\u7ebf\u7684md5\u8ba1\u7b97\u7f51\u7ad9<\/a>\u5bf9\u53c2\u6570\u8fdb\u884cmd5\u8ba1\u7b97\uff0c\u7136\u540e\u5224\u65ad\u7ed3\u679c\u7684[4:20]\u662f\u5426\u5c31\u662f\u6700\u7ec8\u7ed3\u679c\u5373\u53ef\u3002r_des_enc\u51fd\u6570\u7684\u9a8c\u8bc1\u5c31\u7565\u5fae\u590d\u6742\u4e00\u4e9b\uff0c\u6bd4\u8f83\u597d\u7684\u9a8c\u8bc1\u65b9\u5f0f\u662f\u81ea\u5df1\u627e\u4e2a\u8bed\u8a00\u5b9e\u73b0\u4e00\u4e2ades\u52a0\u5bc6\u7b97\u6cd5\uff0c\u7136\u540e\u628a\u53c2\u6570\u4f20\u8fdb\u53bb\uff0c\u5bf9\u7ed3\u679c\u8fdb\u884c\u6bd4\u8f83\u6821\u9a8c\u3002\u7b14\u8005\u4f7f\u7528python\u8fdb\u884c\u6821\u9a8c\uff0c\u5177\u4f53\u8fc7\u7a0b\u7b14\u8005\u4e0d\u518d\u7ed9\u51fa\uff0c\u7ed3\u8bba\u5c31\u662fECB\u6a21\u5f0f\u7684des\u52a0\u5bc6\uff0cpadding\u6a21\u5f0f\u662f\u81ea\u5b9a\u4e49\u7684PAD_PKCS5\uff0c\u6807\u51c6\u7684PKCS#5_and_PKCS#7<\/a>\u662f\u586b\u5145\u7684\u6bcf\u4e00\u4e2a\u5b57\u8282\u90fd\u662fpadding\u7684\u957f\u5ea6\uff0c\u7136\u800cr_des_enc\u4e2d\u7684padding\u5374\u662f\u53ea\u5728\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u586b\u5145padding\u7684\u957f\u5ea6\uff0c\u4e2d\u95f4\u5b57\u8282\u586b\u51450x00\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a\"Alt<\/p>\n
\u81f3\u6b64\uff0c\u5c0f\u7ea2\u4e665.22.0\u7248\u672c\u7684shield\u8ba1\u7b97\u4e2d\uff0cS1\u51fd\u6570\u7b97\u6cd5\u7834\u89e3\u5b8c\u6210\u3002<\/p>\n
\u603b\u7ed3<\/h2>\n
\u5728\u7834\u89e3\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7b14\u8005\u9664\u4e86\u5bf9frida\u7684\u4f7f\u7528\u66f4\u52a0\u719f\u7ec3\uff0c\u800c\u4e14\u5bf9\u5bc6\u7801\u5b66\u7b97\u6cd5\u8fdb\u884c\u4e86\u56de\u987e\u548c\u5b66\u4e60\u3002\u4e3b\u8981\u8fd8\u662f\u5f97\u76ca\u4e8e\u65e7\u7248\u672c\u7684\u5b89\u5168\u7b49\u7ea7\u8f83\u4f4e\uff0c\u800c\u4e14\u8fd8\u6ca1\u6709\u88ab\u4e0b\u67b6\uff0c\u7b14\u8005\u4e5f\u5f80\u540e\u770b\u4e86\u51e0\u4e2a\u7248\u672c\u7684app\uff0c\u540e\u9762\u5c31\u589e\u52a0\u4e86\u4ee3\u7801\u6df7\u6dc6\uff0c\u5206\u6790\u8d77\u6765\u5e94\u8be5\u66f4\u590d\u6742\u4e00\u4e9b\u3002\u5c31\u8fd9\u6837\u5427\u3002<\/p>\n
\u58f0\u660e<\/h2>\n
\u8bf7\u52ff\u4f7f\u7528\u672c\u6280\u672f\u4e8e\u5546\u7528\u6216\u5927\u91cf\u6293\u53d6\uff01<\/p>\n
\u82e5\u56e0\u4f7f\u7528\u672c\u6280\u672f\u4e0e\u5c0f\u7ea2\u4e66\u5b98\u65b9\u9020\u6210\u4e0d\u5fc5\u8981\u7684\u7ea0\u7eb7\uff0c\u672c\u4eba\u76d6\u4e0d\u8d1f\u8d23\uff0c\u5b58\u7cb9\u6280\u672f\u7231\u597d\uff0c\u82e5\u4fb5\u72af\u5c0f\u7ea2\u4e66\u76f8\u5173\u516c\u53f8\u7684\u6743\u76ca\uff0c\u8bf7\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5c0f\u7ea2\u4e66shield\u7b97\u6cd5\u9006\u5411\u7834\u89e3 \u524d\u8a00 \u5c0f\u7ea2\u4e66\uff0c\u5e74\u8f7b\u4eba\u7ecf\u5e38\u79cd\u8349\u7684app\uff0c\u5185\u5bb9\u8fd8\u662f\u6bd4\u8f83\u4e30\u5bcc\u7684\uff0c\u4f46\u662fweb\u7aef\u80fd\u591f\u6d4f\u89c8 … <\/p>\n
\u7ee7\u7eed\u9605\u8bfb\u201c\u5c0f\u7ea2\u4e66shield\u7b97\u6cd5\u9006\u5411\u7834\u89e3\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1001","post","type-post","status-publish","format-standard","hentry","category-android_ni_xiang","entry"],"_links":{"self":[{"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/1001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=1001"}],"version-history":[{"count":6,"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/1001\/revisions"}],"predecessor-version":[{"id":1009,"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/1001\/revisions\/1009"}],"wp:attachment":[{"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=1001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=1001"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/davidblus.top\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=1001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}