{"id":1004,"date":"2022-02-20T19:14:13","date_gmt":"2022-02-20T11:14:13","guid":{"rendered":"https:\/\/www.zhiwanyuzhou.com\/?p=1004"},"modified":"2022-05-18T15:53:43","modified_gmt":"2022-05-18T07:53:43","slug":"netgear%e8%b7%af%e7%94%b1%e5%99%a8%e5%9b%ba%e4%bb%b6%e7%bb%93%e6%9e%84%e5%88%86%e6%9e%90%ef%bc%88chk%e6%a0%bc%e5%bc%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.zhiwanyuzhou.com\/index.php\/2022\/02\/20\/netgear%e8%b7%af%e7%94%b1%e5%99%a8%e5%9b%ba%e4%bb%b6%e7%bb%93%e6%9e%84%e5%88%86%e6%9e%90%ef%bc%88chk%e6%a0%bc%e5%bc%8f%ef%bc%89\/","title":{"rendered":"Netgear\u8def\u7531\u5668\u56fa\u4ef6\u7ed3\u6784\u5206\u6790\uff08chk\u683c\u5f0f\uff09"},"content":{"rendered":"\n

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\u8fd9\u91cc\u5206\u6790\u7684\u578b\u53f7\u4e3aR7000\uff0c\u56fa\u4ef6\u7248\u672cV1.0.11.134_10.2.119\u3002\u9996\u5148\u6211\u4eec\u752816\u8fdb\u5236\u5de5\u5177\u67e5\u770b\u56fa\u4ef6\u5934\u90e8\u6570\u636e\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u524d0x3A\u5b57\u8282\u4e3aNetgear\u7684\u56fa\u4ef6\u5934\uff0c\u5206\u6790\u7684\u7ed3\u679c\u4e3a\uff1a<\/p>\n\n\n\n

\u5e8f\u53f7<\/td>\u504f\u79fb<\/td>\u8bf4\u660e<\/td><\/tr>
1<\/td>0x00-0x03<\/td>\u56fa\u4ef6\u6807\u8bc6\uff0c\u5b57\u7b26\u4e32*#$^<\/td><\/tr>
2<\/td>0x04-0x07<\/td>\u56fa\u4ef6\u5934\u5927\u5c0f\uff0c\u503c\u4e3a0x3A<\/td><\/tr>
3<\/td>0x08<\/td>regionIndex<\/td><\/tr>
4<\/td>0x09-0x0C<\/td>\u8f6f\u4ef6\u7248\u672c\uff0c\u503c\u4e3a\\x01\\x01\\x0B\\x86\uff0c\u5b9e\u9645\u4e3a1.0.11.134<\/td><\/tr>
5<\/td>0x0D-0x0F<\/td>UI\u7248\u672c\uff0c\u503c\u4e3a\\x0A\\x02\\x77\uff0c\u5b9e\u9645\u4e3a10.2.119<\/td><\/tr>
6<\/td>0x10-0x13<\/td>\u6821\u9a8c\u503c\uff0c\u503c\u4e3a3C262DD3\uff0c\u4e0d\u5305\u542b\u56fa\u4ef6\u5934<\/td><\/tr>
7<\/td>0x14-0x17<\/td>\u586b\u5145\u6570\u636e\uff0c\u503c\u4e3a0x00000000<\/td><\/tr>
8<\/td>0x18-0x1B<\/td>\u56fa\u4ef6\u603b\u957f\u5ea6\uff0c\u503c\u4e3a0x01E42000<\/td><\/tr>
9<\/td>0x1C-0x1F<\/td>\u586b\u5145\u6570\u636e\uff0c\u503c\u4e3a0x00000000<\/td><\/tr>
10<\/td>0x20-0x23<\/td>\u6821\u9a8c\u503c\uff0c\u503c\u4e3a0x3C262DD3\uff0c\u4e0d\u5305\u542b\u56fa\u4ef6\u5934<\/td><\/tr>
11<\/td>0x24-0x27<\/td>\u6821\u9a8c\u503c\uff0c\u503c\u4e3a0x0DC00A9A\uff0c\u4ec5\u56fa\u4ef6\u5934\uff0c\u586b\u5145\u6b64\u503c\u4e3a0\u8ba1\u7b97\u7684\u6821\u9a8c\u503c<\/td><\/tr>
12<\/td>0x28-0x39<\/td>\u786c\u4ef6\u7248\u672c\u5b57\u7b26\u4e32\uff0c\u4e3aU12H270T00_NETGEAR<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6821\u9a8c\u7b97\u6cd5\uff1a<\/p>\n\n\n\n

#\/usr\/bin\/python3\n\nc0 = 0\nc1 = 0\ndata = open(\"firmware.bin\",\"rb\").read()\nfor i in range(len(data)):\n    c0 += data[i]\n    c1 += c0\nc0 &= 0xffffffff\nc1 &= 0xffffffff\nc0 = (c0 & 0x0ffff) + (c0 >> 16)\nc0 = ((c0 >> 16) + c0) & 0xffff\nc1 = (c1 & 0x0ffff) + (c1 >> 16)\nc1 = ((c1 >> 16) + c1) & 0xffff\ncsum = (c1 << 16) | c0\nprint(\"0x%08X\"% csum)<\/code><\/pre>\n\n\n\n
\u504f\u79fb0x3A-0x55\u4e3atrx\u5934\uff0c\u89e3\u6790\u5982\u4e0b\uff1a<\/p>\n\n\n\n
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1<\/td>0x3A-0x3D<\/td>\u6807\u8bc6\u7b26\uff0c\u6807\u8bb0\u6b64\u4e3aTRX\u56fa\u4ef6\uff0c\u5b57\u7b26\u4e32\u4e3aHDR0<\/td><\/tr>
2<\/td>0x3E-0x41<\/td>\u56fa\u4ef6\u603b\u5927\u5c0f\uff0c\u5305\u62ecTRX\u5934\uff0c\u5c0f\u7aef\u5e8f\uff0c\u503c\u4e3a0x01E42000<\/td><\/tr>
3<\/td>0x42-0x45<\/td>\u56fa\u4ef6\u6821\u9a8c\u503c CRC32\uff0c\u503c0x311C1F30\uff0c\u4e0d\u5305\u542bnetgear\u5934\u548ctrx\u5934\u7684\u524d12\u5b57\u8282<\/td><\/tr>
4<\/td>0x46-0x47<\/td>flags\uff0c\u503c\u4e3a0<\/td><\/tr>
5<\/td>0x48-0x49<\/td>version\uff0c\u503c\u4e3a1<\/td><\/tr>
6<\/td>0x40-0x4D<\/td>\u52a0\u8f7d\u5668\u504f\u79fb\uff0c\u503c\u4e3a0x1c\uff0c\u5b9e\u9645\u4e3akernel\u504f\u79fb\uff0c\u4ecetrx\u5934\u5f00\u59cb\u7b97\u8d77<\/td><\/tr>
7<\/td>0x4E-0x51<\/td>\u5185\u6838\u504f\u79fb\uff0c\u503c\u4e3a0x21e640\uff0c\u5b9e\u9645\u4e3arootfs\u504f\u79fb\uff0c\u4ecetrx\u5934\u5f00\u59cb\u7b97\u8d77<\/td><\/tr>
8<\/td>0x52-0x55<\/td>\u6587\u4ef6\u7cfb\u7edf\u504f\u79fb\uff0c\u5b9e\u4e3a\u7a7a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
TRX\u5934\u548cCRC32\u7684\u7b97\u6cd5\u53ef\u53c2\u8003\u300aasus\u8def\u7531\u5668\u56fa\u4ef6\u7ed3\u6784\u5206\u6790\uff08trx\u683c\u5f0f\uff09<\/a>\u300b\u8fd9\u7bc7\u6587\u7ae0\u3002<\/p>\n\n\n\n
\u6839\u636e\u89e3\u6790\u7684\u504f\u79fb\uff0c\u540c\u6837\u53ef\u4ee5\u7f16\u5199binwalk\u5bf9netgear\u56fa\u4ef6\u5934\u7684\u8bc6\u522b\u65b9\u6cd5\uff0c\u8fd9\u91cc\u5c31\u4e0d\u8fc7\u591a\u4ecb\u7ecd\u4e86\u3002\u4f7f\u7528\u672c\u7ad9\u7684\u56fa\u4ef6\u5206\u6790\u5de5\u5177<\/a>\u53ef\u4ee5\u5206\u6790\u56fa\u4ef6\u7ed3\u6784\uff1a<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u6700\u7ec8\u6839\u636e\u56fa\u4ef6\u5934\u53ef\u4ee5\u77e5\u6653\u56fa\u4ef6\u7684\u7ed3\u6784\uff1a<\/p>\n\n\n\n
\u5e8f\u53f7<\/td>\u504f\u79fb<\/td>\u8bf4\u660e<\/td><\/tr>
1<\/td>0x0-0x39<\/td>netgear \u56fa\u4ef6\u5934<\/td><\/tr>
2<\/td>0x3A-0x55<\/td>trx \u56fa\u4ef6\u5934<\/td><\/tr>
3<\/td>0x56-0x21e679<\/td>\u538b\u7f29\u7684\u5185\u6838 kernel<\/td><\/tr>
4<\/td>0x21e67a-\u672b\u5c3e<\/td>\u6587\u4ef6\u7cfb\u7edf rootfs<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u53c2\u8003\u6587\u7ae0\uff1a<\/p>\n\n\n\n
https:\/\/mp.weixin.qq.com\/s\/o9v4V673ayyMTY1vGjveFg<\/a><\/p>\n\n\n\n
https:\/\/kb.netgear.com\/2649\/NETGEAR-Open-Source-Code-for-Programmers-GPL<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
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