{"id":479032,"date":"2023-08-09T10:01:33","date_gmt":"2023-08-09T10:01:33","guid":{"rendered":""},"modified":"2023-09-05T11:18:02","modified_gmt":"2023-09-05T11:18:02","slug":"smime","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/smime\/","title":{"rendered":"SMIME"},"content":{"rendered":"<p>SMIME \u4ee3\u8868\u5b89\u5168\/\u591a\u7528\u9014\u4e92\u8054\u7f51\u90ae\u4ef6\u6269\u5c55\uff0c\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u6280\u672f\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u5b89\u5168\u7684\u53d1\u9001\u548c\u63a5\u6536\u7535\u5b50\u90ae\u4ef6\u7684\u65b9\u6cd5\u3002\u5b83\u786e\u4fdd\u7535\u5b50\u90ae\u4ef6\u6d88\u606f\u7684\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u548c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u4f7f\u5176\u6210\u4e3a\u5bfb\u6c42\u4fdd\u62a4\u654f\u611f\u4fe1\u606f\u548c\u901a\u4fe1\u7684\u4f01\u4e1a\u3001\u7ec4\u7ec7\u548c\u4e2a\u4eba\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n<h2>SMIME \u7684\u8d77\u6e90\u548c\u9996\u6b21\u63d0\u53ca\u7684\u5386\u53f2<\/h2>\n<p>SMIME \u7684\u8d77\u6e90\u53ef\u4ee5\u8ffd\u6eaf\u5230 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u521d\uff0c\u5f53\u65f6\u56f4\u7ed5\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u7684\u9690\u79c1\u548c\u5b89\u5168\u95ee\u9898\u5f00\u59cb\u51fa\u73b0\u3002\u5f53\u65f6\uff0c\u4e92\u8054\u7f51\u5de5\u7a0b\u4efb\u52a1\u7ec4\uff08IETF\uff09\u5f00\u59cb\u5236\u5b9a\u6807\u51c6\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002\u6b63\u5982\u6211\u4eec\u4eca\u5929\u6240\u77e5\uff0cSMIME \u4e8e 1995 \u5e74\u9996\u6b21\u63a8\u51fa\uff0c\u5f53\u65f6\u53d1\u5e03\u4e86 SMIME \u89c4\u8303\u7684\u521d\u59cb\u7248\u672c\uff08\u79f0\u4e3a RFC 1847\uff09\u3002<\/p>\n<h2>\u6709\u5173 SMIME \u7684\u8be6\u7ec6\u4fe1\u606f\uff1a\u6269\u5c55\u4e3b\u9898<\/h2>\n<p>SMIME \u5efa\u7acb\u5728\u516c\u94a5\u57fa\u7840\u8bbe\u65bd (PKI) \u548c\u6570\u5b57\u8bc1\u4e66\u7684\u52a0\u5bc6\u57fa\u7840\u8bbe\u65bd\u4e4b\u4e0a\u3002\u5b83\u5229\u7528\u975e\u5bf9\u79f0\u52a0\u5bc6\u6765\u4fdd\u62a4\u7535\u5b50\u90ae\u4ef6\u5185\u5bb9\u548c\u6570\u5b57\u7b7e\u540d\u6765\u9a8c\u8bc1\u53d1\u4ef6\u4eba\u7684\u771f\u5b9e\u6027\u3002\u4f7f\u7528 SMIME \u65f6\uff0c\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u90fd\u5fc5\u987b\u62e5\u6709\u7531\u53d7\u4fe1\u4efb\u7684\u8bc1\u4e66\u9881\u53d1\u673a\u6784 (CA) \u9881\u53d1\u7684\u6570\u5b57\u8bc1\u4e66\u3002<\/p>\n<h2>SMIME\u7684\u5185\u90e8\u7ed3\u6784\uff1aSMIME\u5982\u4f55\u5de5\u4f5c<\/h2>\n<p>\u5f53\u4f7f\u7528 SMIME \u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u65f6\uff0c\u53d1\u4ef6\u4eba\u7684\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u4f1a\u4f7f\u7528\u6536\u4ef6\u4eba\u7684\u516c\u94a5\uff08\u53ef\u5728\u5176\u6570\u5b57\u8bc1\u4e66\u4e2d\u627e\u5230\uff09\u5bf9\u90ae\u4ef6\u8fdb\u884c\u52a0\u5bc6\u3002\u8fd9\u786e\u4fdd\u53ea\u6709\u62e5\u6709\u76f8\u5e94\u79c1\u94a5\u7684\u9884\u671f\u6536\u4ef6\u4eba\u624d\u80fd\u89e3\u5bc6\u548c\u9605\u8bfb\u7535\u5b50\u90ae\u4ef6\u3002\u6b64\u5916\uff0c\u53d1\u4ef6\u4eba\u53ef\u4ee5\u4f7f\u7528\u5176\u79c1\u94a5\u5bf9\u6d88\u606f\u8fdb\u884c\u6570\u5b57\u7b7e\u540d\uff0c\u4ee5\u4fdd\u8bc1\u7535\u5b50\u90ae\u4ef6\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u6ca1\u6709\u88ab\u66f4\u6539\u5e76\u9a8c\u8bc1\u53d1\u4ef6\u4eba\u7684\u8eab\u4efd\u3002<\/p>\n<h2>SMIME\u5173\u952e\u7279\u6027\u5206\u6790<\/h2>\n<p>SMIME \u4f7f\u5176\u6210\u4e3a\u53ef\u9760\u4e14\u5e7f\u6cdb\u91c7\u7528\u7684\u6280\u672f\u7684\u4e3b\u8981\u7279\u5f81\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u4fdd\u5bc6<\/strong>\uff1aSMIME \u52a0\u5bc6\u53ef\u786e\u4fdd\u7535\u5b50\u90ae\u4ef6\u5185\u5bb9\u4fdd\u5bc6\uff0c\u5e76\u4e14\u53ea\u80fd\u7531\u76ee\u6807\u6536\u4ef6\u4eba\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6b63\u76f4<\/strong>\uff1a\u4f7f\u7528\u6570\u5b57\u7b7e\u540d\u53ef\u4fdd\u8bc1\u7535\u5b50\u90ae\u4ef6\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u88ab\u7be1\u6539\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a8c\u8bc1<\/strong>\uff1a\u6570\u5b57\u8bc1\u4e66\u53ef\u4ee5\u9a8c\u8bc1\u53d1\u9001\u8005\u7684\u8eab\u4efd\uff0c\u9632\u6b62\u6b3a\u9a97\u548c\u5192\u5145\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u53ef\u5426\u8ba4\u6027<\/strong>\uff1a\u6570\u5b57\u7b7e\u540d\u63d0\u4f9b\u4e86\u53d1\u4ef6\u4eba\u786e\u5b9e\u53d1\u9001\u4e86\u7535\u5b50\u90ae\u4ef6\u7684\u8bc1\u636e\uff0c\u9632\u6b62\u4ed6\u4eec\u5426\u8ba4\u81ea\u5df1\u53c2\u4e0e\u5176\u4e2d\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>SMIME \u7684\u7c7b\u578b<\/h2>\n<p>SMIME \u652f\u6301\u4e0d\u540c\u7684\u52a0\u5bc6\u7b97\u6cd5\u548c\u7b7e\u540d\u7b97\u6cd5\uff0c\u8fd9\u4e9b\u7b97\u6cd5\u88ab\u79f0\u4e3a\u201cSMIME \u529f\u80fd\u201d\u3002 SMIME \u7684\u4e00\u4e9b\u5e38\u89c1\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u52a0\u5bc6\u6f14\u7b97\u6cd5<\/th>\n<th>\u7b7e\u540d\u7b97\u6cd5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>RSA<\/td>\n<td>RSA<\/td>\n<\/tr>\n<tr>\n<td>DSA<\/td>\n<td>DSA<\/td>\n<\/tr>\n<tr>\n<td>AES<\/td>\n<td>\u7535\u5b50CDSA<\/td>\n<\/tr>\n<tr>\n<td>3DES<\/td>\n<td>SHA-1<\/td>\n<\/tr>\n<tr>\n<td>\u8336\u82b1<\/td>\n<td>SHA-256<\/td>\n<\/tr>\n<tr>\n<td>\u2026<\/td>\n<td>\u2026<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>SMIME\u7684\u4f7f\u7528\u65b9\u6cd5\uff1a\u4f7f\u7528\u4e2d\u51fa\u73b0\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n<p>SMIME \u9002\u7528\u4e8e\u591a\u79cd\u573a\u666f\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5b89\u5168\u901a\u8baf<\/strong>\uff1a\u7ec4\u7ec7\u53ef\u4ee5\u4f7f\u7528 SMIME \u786e\u4fdd\u5458\u5de5\u548c\u5ba2\u6237\u4e4b\u95f4\u7684\u673a\u5bc6\u4e14\u5b89\u5168\u7684\u901a\u4fe1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u90ae\u7bb1\u8ba4\u8bc1<\/strong>\uff1a\u901a\u8fc7\u9a8c\u8bc1\u6570\u5b57\u7b7e\u540d\uff0c\u6536\u4ef6\u4eba\u53ef\u4ee5\u4fe1\u4efb\u53d1\u4ef6\u4eba\u7684\u771f\u5b9e\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u4fdd\u62a4<\/strong>\uff1aSMIME \u4fdd\u62a4\u8d22\u52a1\u6570\u636e\u3001\u4e2a\u4eba\u4fe1\u606f\u548c\u77e5\u8bc6\u4ea7\u6743\u7b49\u654f\u611f\u4fe1\u606f\u514d\u906d\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u7136\u800c\uff0c\u5b58\u5728\u4e00\u4e9b\u4e0e SMIME \u4f7f\u7528\u76f8\u5173\u7684\u6311\u6218\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u5bc6\u94a5\u7ba1\u7406<\/strong>\uff1a\u6b63\u786e\u7684\u5bc6\u94a5\u7ba1\u7406\u5bf9\u4e8e SMIME \u7684\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u786e\u4fdd\u5b89\u5168\u5bc6\u94a5\u5b58\u50a8\u548c\u64a4\u9500\u53d7\u635f\u8bc1\u4e66\u662f\u57fa\u672c\u4efb\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e92\u64cd\u4f5c\u6027<\/strong>\uff1a\u4e0d\u540c\u7684\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u53ef\u80fd\u5177\u6709\u4e0d\u540c\u7a0b\u5ea6\u7684 SMIME \u652f\u6301\uff0c\u4ece\u800c\u5bfc\u81f4\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8bc1\u4e66\u4fe1\u4efb<\/strong>\uff1a\u7528\u6237\u5fc5\u987b\u786e\u4fdd\u4fe1\u4efb\u9881\u53d1\u6570\u5b57\u8bc1\u4e66\u7684CA\u673a\u6784\uff0c\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u6311\u6218\uff0c\u7528\u6237\u53ef\u4ee5\u5b9e\u65bd\u5f3a\u5927\u7684\u5bc6\u94a5\u7ba1\u7406\u5b9e\u8df5\u3001\u9009\u62e9\u4fe1\u8a89\u826f\u597d\u7684 CA \u5e76\u4f7f\u7528\u517c\u5bb9\u7684\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u3002<\/p>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u5176\u4ed6\u4e0e\u540c\u7c7b\u4ea7\u54c1\u7684\u6bd4\u8f83<\/h2>\n<p>\u4e0b\u9762\u662f SMIME \u4e0e\u4e00\u4e9b\u7c7b\u4f3c\u6280\u672f\u7684\u6bd4\u8f83\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6280\u672f<\/th>\n<th>\u76ee\u7684<\/th>\n<th>\u4e3b\u8981\u533a\u522b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SMIME<\/td>\n<td>\u5b89\u5168\u7684\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1<\/td>\n<td>\u4e13\u4e3a\u7535\u5b50\u90ae\u4ef6\u8bbe\u8ba1<\/td>\n<\/tr>\n<tr>\n<td>PGP\uff08\u5f88\u597d\u7684\u9690\u79c1\uff09<\/td>\n<td>\u5b89\u5168\u7684\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u548c\u6587\u4ef6<\/td>\n<td>\u66f4\u5e7f\u6cdb\u5730\u5e94\u7528\u4e8e\u975e\u4f01\u4e1a\u73af\u5883\u5e76\u63d0\u4f9b\u66f4\u5927\u7684\u7075\u6d3b\u6027<\/td>\n<\/tr>\n<tr>\n<td>SSL\/TLS<\/td>\n<td>\u5b89\u5168\u6570\u636e\u4f20\u8f93\uff08HTTPS\uff09<\/td>\n<td>\u4e3b\u8981\u7528\u4e8e\u4fdd\u62a4\u7f51\u7ad9\u8fde\u63a5\u548c\u5728\u7ebf\u4ea4\u6613<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e0e SMIME \u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n<p>\u5c55\u671b\u672a\u6765\uff0cSMIME \u9884\u8ba1\u5c06\u7ee7\u7eed\u5728\u786e\u4fdd\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u5b89\u5168\u65b9\u9762\u53d1\u6325\u5173\u952e\u4f5c\u7528\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u4f01\u4e1a\u548c\u7ec4\u7ec7\u800c\u8a00\u3002\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5bc6\u94a5\u7ba1\u7406\u3001\u52a0\u5bc6\u7b97\u6cd5\u548c\u8bc1\u4e66\u9881\u53d1\u65b9\u9762\u7684\u8fdb\u6b65\u53ef\u80fd\u4f1a\u8fdb\u4e00\u6b65\u589e\u5f3a SMIME \u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<p>\u6b64\u5916\uff0cSMIME \u4e0e\u65b0\u5174\u901a\u4fe1\u5e73\u53f0\u548c\u6280\u672f\uff08\u4f8b\u5982\u5373\u65f6\u6d88\u606f\u548c\u534f\u4f5c\u5de5\u5177\uff09\u7684\u96c6\u6210\u53ef\u4ee5\u5728\u672a\u6765\u6269\u5927\u5176\u8303\u56f4\u548c\u5b9e\u7528\u6027\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5982\u4f55\u5c06\u4ee3\u7406\u670d\u52a1\u5668\u4e0e SMIME \u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\uff08\u4f8b\u5982 OneProxy \u63d0\u4f9b\u7684\u4ee3\u7406\u670d\u52a1\u5668\uff09\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8865\u5145 SMIME\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u589e\u5f3a\u9690\u79c1<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u5145\u5f53\u53d1\u4ef6\u4eba\u548c\u6536\u4ef6\u4eba\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u4e3a\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u6dfb\u52a0\u989d\u5916\u7684\u9690\u79c1\u5c42\u3002\u8fd9\u53ef\u80fd\u662f\u6709\u76ca\u7684\uff0c\u7279\u522b\u662f\u5728\u6570\u636e\u9690\u79c1\u6cd5\u89c4\u4e25\u683c\u7684\u5730\u533a\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u533f\u540d<\/strong>\uff1a\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u5e2e\u52a9\u63a9\u76d6\u7535\u5b50\u90ae\u4ef6\u7684\u6765\u6e90\uff0c\u4e3a\u901a\u4fe1\u8fc7\u7a0b\u6dfb\u52a0\u989d\u5916\u7684\u533f\u540d\u5c42\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5730\u7406\u5b9a\u4f4d\u7ed5\u8fc7<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u5141\u8bb8\u7528\u6237\u4ece\u4e0d\u540c\u7684\u5730\u7406\u4f4d\u7f6e\u8bbf\u95eeSMIME\u670d\u52a1\uff0c\u7ed5\u8fc7\u533a\u57df\u9650\u5236\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4f46\u662f\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4ee3\u7406\u670d\u52a1\u5668\u5e94\u4e0e SMIME \u7ed3\u5408\u4f7f\u7528\uff0c\u800c\u4e0d\u662f\u66ff\u4ee3 SMIME \u63d0\u4f9b\u7684\u52a0\u5bc6\u548c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u6709\u5173 SMIME \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u8bbf\u95ee\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc1847\" target=\"_new\" rel=\"noopener nofollow\">RFC 1847<\/a>\uff1a\u6700\u521d\u7684 SMIME \u89c4\u8303\u3002<\/li>\n<li><a href=\"https:\/\/datatracker.ietf.org\/wg\/smime\/about\/\" target=\"_new\" rel=\"noopener nofollow\">IETF SMIME \u5de5\u4f5c\u7ec4<\/a>\uff1a\u6709\u5173\u8d1f\u8d23 SMIME \u6807\u51c6\u7684 IETF \u5de5\u4f5c\u7ec4\u7684\u4fe1\u606f\u3002<\/li>\n<li><a href=\"https:\/\/www.globalsign.com\/en\/blog\/tag\/smime\/\" target=\"_new\" rel=\"noopener nofollow\">GlobalSign \u535a\u5ba2 \u2013 SMIME<\/a>\uff1a\u4e0e SMIME \u548c\u7535\u5b50\u90ae\u4ef6\u5b89\u5168\u76f8\u5173\u7684\u6587\u7ae0\u548c\u535a\u5ba2\u6587\u7ae0\u3002<\/li>\n<\/ul>\n<p>\u603b\u4e4b\uff0cSMIME \u662f\u4e00\u9879\u5f3a\u5927\u7684\u6280\u672f\uff0c\u53ef\u786e\u4fdd\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u7684\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u548c\u8eab\u4efd\u9a8c\u8bc1\u3002\u901a\u8fc7\u4f7f\u7528 SMIME\uff0c\u4e2a\u4eba\u548c\u7ec4\u7ec7\u53ef\u4ee5\u4fdd\u62a4\u5176\u654f\u611f\u4fe1\u606f\u5e76\u5efa\u7acb\u5bf9\u5176\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u7684\u4fe1\u4efb\u3002\u4e0e\u4ee3\u7406\u670d\u52a1\u5668\u7ed3\u5408\u4f7f\u7528\u65f6\uff0cSMIME \u7684\u5b89\u5168\u548c\u9690\u79c1\u4f18\u52bf\u53ef\u4ee5\u8fdb\u4e00\u6b65\u653e\u5927\uff0c\u4f7f\u5176\u6210\u4e3a\u73b0\u4ee3\u6570\u5b57\u73af\u5883\u4e2d\u7684\u5b9d\u8d35\u8d44\u4ea7\u3002<\/p>","protected":false},"featured_media":479033,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479032","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>SMIME: Securing Your Email Communications<\/mark>","faq_items":[{"question":"What is SMIME?","answer":"<p>SMIME, which stands for Secure\/Multipurpose Internet Mail Extensions, is a technology that provides a secure method of sending and receiving emails. It ensures the confidentiality, integrity, and authentication of email messages, making it an essential tool for safeguarding sensitive information.<\/p>"},{"question":"How did SMIME originate, and when was it first mentioned?","answer":"<p>The origins of SMIME can be traced back to the early 1990s when privacy and security concerns surrounding email communication emerged. It was first mentioned in 1995 with the publication of the initial version of the SMIME specification, known as RFC 1847.<\/p>"},{"question":"How does SMIME work?","answer":"<p>SMIME is built upon the cryptographic infrastructure of Public Key Infrastructure (PKI) and digital certificates. When an email is sent using SMIME, the sender's email client encrypts the message using the recipient's public key, ensuring only the intended recipient can decrypt and read the email. Digital signatures verify the sender's identity and the integrity of the email.<\/p>"},{"question":"What are the key features of SMIME?","answer":"<p>The key features of SMIME include confidentiality (encryption ensures private content), integrity (digital signatures prevent tampering), authentication (verifying sender's identity), and non-repudiation (proving the sender's involvement).<\/p>"},{"question":"What types of SMIME exist?","answer":"<p>SMIME supports various encryption and signature algorithms, such as RSA, DSA, AES, ECDSA, SHA-1, SHA-256, and more.<\/p>"},{"question":"How can SMIME be used, and what are the challenges and solutions related to its use?","answer":"<p>SMIME is used for secure communication, email authentication, and data protection. Some challenges include key management, interoperability, and certificate trust. Solutions involve robust key management practices, choosing reputable CAs, and using compatible email clients.<\/p>"},{"question":"How does SMIME compare with similar technologies like PGP and SSL\/TLS?","answer":"<p>SMIME is specifically designed for securing emails, while PGP is more widely used in non-corporate settings and offers more flexibility. SSL\/TLS primarily secures data transmission for websites and online transactions.<\/p>"},{"question":"What is the future outlook for SMIME?","answer":"<p>In the future, SMIME is expected to continue playing a vital role in securing email communication. Advancements in key management, encryption algorithms, and certificate issuance are likely to enhance its security and usability.<\/p>"},{"question":"How can proxy servers be associated with SMIME?","answer":"<p>Proxy servers, like those provided by OneProxy, can enhance SMIME by adding an extra layer of privacy and anonymity to email communications. They can also bypass geolocation restrictions, but they should be used in conjunction with SMIME for comprehensive security.<\/p>"},{"question":"Where can I find more information about SMIME?","answer":"<p>For more details about SMIME, you can refer to resources such as RFC 1847, the IETF SMIME Working Group, and GlobalSign's blog posts related to SMIME and email security.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/479032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/479032\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/479033"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=479032"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}