{"id":1469,"date":"2024-09-03T10:12:05","date_gmt":"2024-09-03T02:12:05","guid":{"rendered":"https:\/\/www.yinyubo.com\/?p=1469"},"modified":"2024-09-03T10:12:05","modified_gmt":"2024-09-03T02:12:05","slug":"python%e5%ae%9e%e7%8e%b0%e7%9a%84%e4%b8%80%e4%b8%aa%e7%ae%80%e6%98%93%e6%b3%a8%e5%86%8c%e6%9c%ba%ef%bc%8c%e7%94%a8%e4%ba%8e%e7%a6%bb%e7%ba%bf%e5%b7%a5%e6%8e%a7%e6%9c%ba%e9%aa%8c%e8%af%81%e6%b3%a8","status":"publish","type":"post","link":"https:\/\/www.yinyubo.com\/?p=1469","title":{"rendered":"python\u5b9e\u73b0\u7684\u4e00\u4e2a\u7b80\u6613\u6ce8\u518c\u673a\uff0c\u7528\u4e8e\u79bb\u7ebf\u5de5\u63a7\u673a\u9a8c\u8bc1\u6ce8\u518c\u7801"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u7b80\u6613\u7684\u8bbe\u8ba1\u6d41\u7a0b<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"176\" src=\"https:\/\/www.yinyubo.com\/wp-content\/uploads\/2024\/09\/1-1-1-1024x176.png\" alt=\"\" class=\"wp-image-1470\" srcset=\"https:\/\/www.yinyubo.com\/wp-content\/uploads\/2024\/09\/1-1-1-1024x176.png 1024w, https:\/\/www.yinyubo.com\/wp-content\/uploads\/2024\/09\/1-1-1-300x52.png 300w, https:\/\/www.yinyubo.com\/wp-content\/uploads\/2024\/09\/1-1-1-768x132.png 768w, https:\/\/www.yinyubo.com\/wp-content\/uploads\/2024\/09\/1-1-1.png 1502w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>       \u6709\u4e00\u6279\u5de5\u63a7\u673a\u957f\u671f\u662f\u65ad\u7f51\u79bb\u7ebf\u7684\uff0c\u800c\u6211\u4eec\u53c8\u60f3\u68c0\u67e5\u8fd9\u6279\u5de5\u63a7\u673a\u7684\u8bbe\u5907\u4e0a\u7684\u6ce8\u518c\u7801\u662f\u5426\u5df2\u7ecf\u8fc7\u671f\uff0c\u90a3\u8be5\u600e\u4e48\u529e\u5462\uff1f\u5de5\u63a7\u673a\u662f\u4ea4\u4ed8\u51fa\u53bb\u4e86\uff0c\u9700\u8981\u7528\u5230\u975e\u5bf9\u79f0\u52a0\u5bc6\u673a\u5236\u6765\u8bbe\u8ba1\uff0c\u9632\u6b62\u7b97\u6cd5\u88ab\u7834\u89e3\u4e4b\u540e\uff0c\u522b\u4eba\u6709\u80fd\u529b\u80fd\u7834\u89e3\u6211\u4eec\u6240\u6709\u7684\u5de5\u63a7\u673a\u3002\u4e0b\u9762\u5e9f\u8bdd\u4e0d\u591a\u8bf4\uff0c\u76f4\u63a5\u4e0a\u4ee3\u7801<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u670d\u52a1\u7aef\u7a0b\u5e8f<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u5b89\u88c5 <code>cryptography<\/code> \u5e93<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>pip install cryptography\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u751f\u6210\u5bc6\u94a5\u5bf9\uff08\u4e00\u6b21\u6027\u64cd\u4f5c\uff09<\/h4>\n\n\n\n<p>\u5728\u670d\u52a1\u5668\u7aef\u751f\u6210 RSA \u516c\u94a5\u548c\u79c1\u94a5\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u53ea\u9700\u8981\u8fdb\u884c\u4e00\u6b21\uff0c\u5e76\u4e14\u79c1\u94a5\u9700\u8981\u4fdd\u5bc6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6ce8\u518c\u673a\u5bc6\u94a5\u5bf9\u751f\u6210\u4ee3\u7801\nfrom cryptography.hazmat.primitives.asymmetric import rsa\nfrom cryptography.hazmat.primitives import serialization\n\n# \u751f\u6210 RSA \u5bc6\u94a5\u5bf9\nprivate_key = rsa.generate_private_key(\n    public_exponent=65537,\n    key_size=2048,\n)\n\n# \u5c06\u79c1\u94a5\u4fdd\u5b58\u5230\u6587\u4ef6\nwith open(\"private_key.pem\", \"wb\") as private_file:\n    private_file.write(\n        private_key.private_bytes(\n            encoding=serialization.Encoding.PEM,\n            format=serialization.PrivateFormat.PKCS8,\n            encryption_algorithm=serialization.NoEncryption(),\n        )\n    )\n\n# \u5c06\u516c\u94a5\u4fdd\u5b58\u5230\u6587\u4ef6\npublic_key = private_key.public_key()\nwith open(\"public_key.pem\", \"wb\") as public_file:\n    public_file.write(\n        public_key.public_bytes(\n            encoding=serialization.Encoding.PEM,\n            format=serialization.PublicFormat.SubjectPublicKeyInfo,\n        )\n    )\n<\/code><\/pre>\n\n\n\n<p><code>private_key.pem<\/code> \u6587\u4ef6\u5c06\u7528\u4e8e\u670d\u52a1\u5668\u7aef\u7b7e\u540d\u6ce8\u518c\u7801\u3002\uff08\u5343\u4e07\u4e0d\u8981\u6cc4\u6f0f\uff09<\/p>\n\n\n\n<p><code>public_key.pem<\/code> \u6587\u4ef6\u53ef\u4ee5\u5b89\u5168\u5730\u5206\u53d1\u7ed9\u5ba2\u6237\u7aef\uff0c\u7528\u4e8e\u9a8c\u8bc1\u7b7e\u540d\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u670d\u52a1\u5668\u7aef\u751f\u6210\u6ce8\u518c\u7801\u5e76\u7b7e\u540d<\/h4>\n\n\n\n<p>\u670d\u52a1\u5668\u7aef\u751f\u6210\u6ce8\u518c\u7801\u5e76\u7528\u79c1\u94a5\u7b7e\u540d\u3002\u8fd9\u91cc\u6211\u4eec\u57fa\u4e8e IP\u3001MAC \u5730\u5740\u548c\u6ce8\u518c\u65f6\u95f4\u751f\u6210\u6ce8\u518c\u4fe1\u606f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6ce8\u518c\u7801\u751f\u6210\u7a0b\u5e8f\nfrom cryptography.hazmat.primitives import hashes\nfrom cryptography.hazmat.primitives.asymmetric import padding\nfrom cryptography.hazmat.primitives import serialization\nimport hashlib\n\n# \u52a0\u8f7d\u79c1\u94a5\nwith open(\"private_key.pem\", \"rb\") as private_file:\n    private_key = serialization.load_pem_private_key(\n        private_file.read(),\n        password=None,\n    )\n\n\n# \u751f\u6210\u6ce8\u518c\u4fe1\u606f\ndef generate_registration_info(ip, mac, reg_time):\n    return f\"{ip}#{mac}#{reg_time}\"\n\n\n# \u751f\u6210\u7b7e\u540d\ndef sign_registration_info(private_key, registration_info):\n    # \u5148\u5bf9\u6ce8\u518c\u4fe1\u606f\u8fdb\u884c\u54c8\u5e0c\u5904\u7406\n    hash_value = hashlib.sha256(registration_info.encode()).digest()\n    # \u4f7f\u7528\u79c1\u94a5\u5bf9\u54c8\u5e0c\u503c\u7b7e\u540d\n    signature = private_key.sign(\n        hash_value,\n        padding.PSS(\n            mgf=padding.MGF1(hashes.SHA256()),\n            salt_length=padding.PSS.MAX_LENGTH,\n        ),\n        hashes.SHA256(),\n    )\n    return signature\n\n\n# \u793a\u4f8b\u4f7f\u7528\nip = \"192.168.1.1\"\nmac = \"00:1A:2B:3C:4D:5E\"\nreg_time = \"2023-09-03T12:00:00\"\nregistration_info = generate_registration_info(ip, mac, reg_time)\nsignature = sign_registration_info(private_key, registration_info)\n\nprint(f\"\u6ce8\u518c\u4fe1\u606f: {registration_info}\")\nprint(f\"\u7b7e\u540d: {signature.hex()}\")\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5ba2\u6237\u7aef\u7a0b\u5e8f\uff08\u53ef\u53c2\u8003\u4fee\u6539\uff09<\/h2>\n\n\n\n<p>1.\u5b89\u88c5\u5728\u5de5\u63a7\u673a\u4e0a\uff0c\u7528\u4e8e\u9a8c\u8bc1\u6ce8\u518c\u7801\u662f\u5426\u6b63\u786e\uff0c\u662f\u5426\u8fc7\u671f\uff0c\u8bbe\u7f6e\u6709\u6548\u671f365\u5929<\/p>\n\n\n\n<p>2.\u5ba2\u6237\u7aef\u4f7f\u7528\u516c\u94a5\u6765\u9a8c\u8bc1\u7b7e\u540d\uff0c\u4ee5\u786e\u4fdd\u6ce8\u518c\u7801\u7684\u6709\u6548\u6027\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6ce8\u518c\u673a\u5c1d\u8bd5\nimport hashlib\nfrom cryptography.hazmat.primitives import hashes\nfrom cryptography.hazmat.primitives.asymmetric import padding\nfrom cryptography.hazmat.primitives import serialization\nfrom datetime import datetime\n\n# \u52a0\u8f7d\u516c\u94a5\nwith open(\"public_key.pem\", \"rb\") as public_file:\n    public_key = serialization.load_pem_public_key(public_file.read())\n\n\n# \u9a8c\u8bc1\u7b7e\u540d\ndef verify_registration_info(public_key, registration_info, signature):\n    # \u5bf9\u6ce8\u518c\u4fe1\u606f\u8fdb\u884c\u54c8\u5e0c\u5904\u7406\n    hash_value = hashlib.sha256(registration_info.encode()).digest()\n    # \u4f7f\u7528\u516c\u94a5\u9a8c\u8bc1\u7b7e\u540d\n    try:\n        public_key.verify(\n            signature,\n            hash_value,\n            padding.PSS(\n                mgf=padding.MGF1(hashes.SHA256()),\n                salt_length=padding.PSS.MAX_LENGTH,\n            ),\n            hashes.SHA256(),\n        )\n        return True\n    except Exception as e:\n        print(f\"\u7b7e\u540d\u9a8c\u8bc1\u5931\u8d25: {e}\")\n        return False\n\n\n# \u68c0\u67e5\u6ce8\u518c\u7801\u662f\u5426\u8fc7\u671f\ndef is_registration_expired(registration_info):\n    # \u5047\u8bbe registration_info \u7684\u683c\u5f0f\u4e3a \"IP#MAC#DATE\"\n    try:\n        _, _, date_str = registration_info.split(\"#\")\n        registration_date = datetime.strptime(date_str, \"%Y-%m-%dT%H:%M:%S\")\n        current_date = datetime.now()\n        # \u8ba1\u7b97\u65e5\u671f\u5dee\n        difference = current_date - registration_date\n        if difference.days &gt; 365:\n            print(\"\u6ce8\u518c\u7801\u5df2\u8fc7\u671f\u3002\")\n            return True\n        else:\n            print(f\"\u6ce8\u518c\u7801\u6709\u6548\uff0c\u8ddd\u79bb\u5230\u671f\u8fd8\u6709 {365 - difference.days} \u5929\u3002\")\n            return False\n    except Exception as e:\n        print(f\"\u65e0\u6cd5\u89e3\u6790\u6ce8\u518c\u4fe1\u606f\u4e2d\u7684\u65e5\u671f: {e}\")\n        return True\n\n\n# \u793a\u4f8b\u4f7f\u7528\nregistration_info = \"192.168.1.1#00:1A:2B:3C:4D:5E#2023-09-03T12:00:00\"\nsignature = \"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\"\nis_valid = verify_registration_info(\n    public_key, registration_info, bytes.fromhex(signature)\n)\n\nif is_valid:\n    print(\"\u6ce8\u518c\u7801\u9a8c\u8bc1\u6210\u529f\u3002\")\n    # \u68c0\u67e5\u6ce8\u518c\u7801\u662f\u5426\u8fc7\u671f\n    is_expired = is_registration_expired(registration_info)\n    if not is_expired:\n        print(\"\u6fc0\u6d3b\u6210\u529f\uff01\")\nelse:\n    print(\"\u6ce8\u518c\u7801\u9a8c\u8bc1\u5931\u8d25\u3002\")\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u6613\u7684\u8bbe\u8ba1\u6d41\u7a0b \u6709\u4e00\u6279\u5de5\u63a7\u673a\u957f\u671f\u662f\u65ad\u7f51\u79bb\u7ebf\u7684\uff0c\u800c\u6211\u4eec\u53c8\u60f3\u68c0\u67e5\u8fd9\u6279\u5de5\u63a7\u673a\u7684\u8bbe\u5907\u4e0a\u7684\u6ce8\u518c\u7801\u662f\u5426\u5df2\u7ecf\u8fc7\u671f\uff0c\u90a3\u8be5\u600e\u4e48\u529e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1469","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=\/wp\/v2\/posts\/1469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1469"}],"version-history":[{"count":0,"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=\/wp\/v2\/posts\/1469\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yinyubo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}