{"id":208206,"date":"2025-07-08T11:46:15","date_gmt":"2025-07-08T03:46:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208206\/"},"modified":"2025-07-08T11:46:15","modified_gmt":"2025-07-08T03:46:15","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-golang-%e4%b8%ad%e5%b0%86-uint32-%e6%95%b0%e7%bb%84%e8%bd%ac%e6%8d%a2%e4%b8%ba-uint8-%e6%95%b0%e7%bb%84%ef%bc%88%e5%9f%ba%e6%9c%ac%e4%b8%8a%e5%b0%86%e6%ad%a4%e8%af%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208206\/","title":{"rendered":"\u5982\u4f55\u5728 Golang \u4e2d\u5c06 uint32 \u6570\u7ec4\u8f6c\u6362\u4e3a uint8 \u6570\u7ec4\uff08\u57fa\u672c\u4e0a\u5c06\u6b64\u8bed\u53e5\u4ece C \u8f6c\u6362\u4e3a Golang\uff09\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728 Golang \u4e2d\u5c06 uint32 \u6570\u7ec4\u8f6c\u6362\u4e3a uint8 \u6570\u7ec4\uff08\u57fa\u672c\u4e0a\u5c06\u6b64\u8bed\u53e5\u4ece C \u8f6c\u6362\u4e3a Golang\uff09\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-30 11:27:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u76ee\u524d\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8eGolang<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u5728 Golang \u4e2d\u5c06 uint32 \u6570\u7ec4\u8f6c\u6362\u4e3a uint8 \u6570\u7ec4\uff08\u57fa\u672c\u4e0a\u5c06\u6b64\u8bed\u53e5\u4ece C \u8f6c\u6362\u4e3a Golang\uff09\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60Golang<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u5927\u5bb6\u597d\uff0c\u6211\u5728\u5c06\u4e0b\u9762\u7684 c \u8bed\u53e5\u8f6c\u6362\u4e3a golang \u65f6\u9047\u5230\u95ee\u9898\u3002\u6211\u5c1d\u8bd5\u8c03\u8bd5\uff0c\u53d1\u73b0 char \u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u7b2c 4 \u4e2a\u5143\u7d20\u90fd\u88ab\u4fee\u6539\uff0c\u5e76\u4e14\u8be5\u8bed\u53e5\u5c06 char \u8f6c\u6362\u4e3a unsigned int\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u8fdb\u884c or \u8fd0\u7b97\u3002<\/p>\n

\u6211\u60f3\u77e5\u9053\u5982\u4f55\u5728 golang \u4e2d\u6267\u884c\u5b8c\u5168\u76f8\u540c\u7684\u64cd\u4f5c\u3002\u5bf9\u4e8e char \u6570\u7ec4\uff0c\u6211\u51b3\u5b9a\u4f7f\u7528 uint8 \u6570\u7ec4\u6765\u5b58\u50a8\u5b57\u7b26<\/strong>\uff08\u5982\u679c\u60a8\u77e5\u9053\u5176\u4ed6\u66f4\u597d\u7684\u6570\u636e\u7c7b\u578b\uff0c\u8bf7\u544a\u8bc9\u6211\uff09\u3002<\/p>\n

\u6839\u636e\u6211\u7684\u7814\u7a76\uff0c\u7531\u4e8e\u6211\u8ba1\u5212\u5728 golang \u4e2d\u4f7f\u7528\u5207\u7247\uff0c\u6211\u76f8\u4fe1\u66f4\u65b0\u5207\u7247\u6807\u9898\u662f\u4e00\u79cd\u9009\u62e9\uff0c\u4f46\u6211\u4e0d\u592a\u786e\u5b9a\u5982\u4f55\u505a\u5230\u8fd9\u4e00\u70b9\u3002<\/p>\n

\u4e0b\u9762\u662fc\u4ee3\u7801\uff0c\u56fe\u4e3achar\u6570\u7ec4\u7684\u8c03\u8bd5\uff08\u6ce8\u610f\u7b2c0\u548c\u7b2c4\u4e2a\u5143\u7d20\u7684\u533a\u522b\uff09<\/p>\n

#include <stdio.h>\n\nint main()\n{\n    unsigned char buf[] =  {'a', 'b', 'c', 'd', 'e', 'f', 'g'};\n    unsigned char bb[] = {'a', 'b', 'c', 'd', 'e', 'f', 'g'};\n    unsigned int state[] = {45, 45, 33, 22, 55, 55, 90};\n\n    for(int i=0; i<7; i++)\n    {\n         ((unsigned int*)buf)[i] = state[2] ^ ((unsigned int*)bb)[i];\n    }\n    return 0;\n}<\/pre>\n
\u4e0b\u9762\u662f\u6211\u5c1d\u8bd5\u8fc7\u7684golang\u4ee3\u7801\uff08\u7f16\u8bd1\u5668\u9519\u8bef\u4f5c\u4e3a\u6ce8\u91ca\u5305\u542b\u5728\u5185\uff09<\/p>\n
package main\n\nfunc main() {\n    bb := []uint8{1, 2, 3, 4, 5, 6, 7}\n    buf := []uint8{1, 44, 55, 66, 66, 65, 34}\n    state := []uint32{1, 66, 434, 234, 344, 434, 890}\n\n    for i:=0; i<7; i++ {\n        \/\/ ((unsigned int*)buf)[i] = state[2] ^ ((unsigned int*)bb)[i];\n        uint32(buf[i]) = state[2] ^ uint32((bb)[i])\n        \/\/ error: cannot assign to uint32(buf[i]) (value of type uint32)\n    }\n}<\/pre>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
c \u4ee3\u7801\u4e0d\u53ef\u79fb\u690d\uff0c\u5982\u679c\u60a8\u5ffd\u7565\u5b83\u8c03\u7528\u672a\u5b9a\u4e49\u884c\u4e3a\u7684\u4e8b\u5b9e\uff0c\u90a3\u5c31\u662f\u8fd9\u6837\u3002<\/p>\n
\u5047\u8bbe\u73af\u5883\u5177\u6709 32 \u4f4d le unsigned int<\/code> \u503c\u548c 8 \u4f4d unsigned char<\/code> \u503c\uff0c\u5e76\u5047\u8bbe\u5b83\u6267\u884c\u9884\u671f\u7684\u64cd\u4f5c\uff0c\u5373\u4f7f\u5b83\u662f\u672a\u5b9a\u4e49\u7684\u884c\u4e3a\uff0c<\/p>\n
for ( int i=0; i<7; i++ ) {\n   ((unsigned int*)buf)[i] = state[2] ^ ((unsigned int*)bb)[i]\n}\n<\/pre>\n
\u76f8\u5f53\u4e8e<\/p>\n
size_t n = 7;\n\n\/\/ convert the array of uint8_t to uint32_t.\nuint32_t bb_u32[ n ];\nmemcpy( bb_u32, bb, n * sizeof( uint32_t ) );\n\n\/\/ apply a function to each uint32_t.\nuint32_t buf_u32[ n ];\nfor ( int i=0; i<n; i++ ) {\n   buf_u32[ i ] = state[ 2 ] ^ bb_u32[ i ];\n}\n\n\/\/ convert the resulting array of uint32_t to uint8_t.\nmemcpy( buf, buf_u32, n * sizeof( uint32_t ) );\n<\/pre>\n
\u6216<\/p>\n
for ( int i=0; i<7; i++ ) {\n   buf[ i * 4 + 0 ] = ( ( state[ 2 ] >> ( 8 * 0 ) ) && 0xFF ) ^ bb[ i * 4 + 0 ];\n   buf[ i * 4 + 1 ] = ( ( state[ 2 ] >> ( 8 * 1 ) ) && 0xFF ) ^ bb[ i * 4 + 1 ];\n   buf[ i * 4 + 2 ] = ( ( state[ 2 ] >> ( 8 * 2 ) ) && 0xFF ) ^ bb[ i * 4 + 2 ];\n   buf[ i * 4 + 3 ] = ( ( state[ 2 ] >> ( 8 * 3 ) ) && 0xFF ) ^ bb[ i * 4 + 3 ];\n}\n<\/pre>\n
\u8bf7\u6ce8\u610f\uff0cbb<\/code> \u548c buf<\/code> \u592a\u5c0f\uff0c\u56e0\u6b64\u4f1a\u53d1\u751f\u4e0d\u53ef\u9884\u6d4b\u7684\u6548\u679c\u3002<\/p>\n
\u73b0\u5728\u60a8\u5df2\u7ecf\u4e86\u89e3\u4e86\u4ee3\u7801\u7684\u4f5c\u7528\uff0c\u60a8\u5e94\u8be5\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u7f16\u5199\u76f8\u5e94\u7684 go \u4ee3\u7801\u3002\u62b1\u6b49\uff0c\u8fd9\u53ea\u662f\u90e8\u5206\u7b54\u6848\uff0c\u4f46\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u60a8\u4e0d\u5e94\u8be5\u5728\u4e00\u7bc7\u6587\u7ae0\u4e2d\u63d0\u51fa\u4e24\u4e2a\u95ee\u9898\u7684\u90e8\u5206\u539f\u56e0\u3002 \uff08x \u505a\u4ec0\u4e48\uff1f\u6211\u5982\u4f55\u5728 go \u4e2d\u505a y\u3002\uff09<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u300a\u5982\u4f55\u5728 Golang \u4e2d\u5c06 uint32 \u6570\u7ec4\u8f6c\u6362\u4e3a uint8 \u6570\u7ec4\uff08\u57fa\u672c\u4e0a\u5c06\u6b64\u8bed\u53e5\u4ece C \u8f6c\u6362\u4e3a Golang\uff09\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208206","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208206"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208206\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}