HP通过OpenSSL生成证书、密钥并且加密解密数据,以及公钥，私钥和数字签名的理解

 1 $config = array(
 2     "private_key_bits" => 1024,                     //字节数    512 1024  2048   4096 等
 3     "private_key_type" => OPENSSL_KEYTYPE_RSA,     //加密类型
 4     "config" => "D:/phpStudy/PHPTutorial/Apache/conf/openssl.cnf"
 5 );
 6 
 7 $privkeypass = ‘123456789‘; //私钥密码
 8 $numberofdays = 365;     //有效时长
 9 $cerpath = "./test.cer"; //生成证书路径
10 $pfxpath = "./test.pfx"; //密钥文件路径
11 
12 $dn = array(    
13     "countryName" => "UK",                                  //所在国家
14     "stateOrProvinceName" => "Somerset",                    //所在省份
15     "localityName" => "Glastonbury",                        //所在城市
16     "organizationName" => "The Brain Room Limited",         //注册人姓名
17     "organizationalUnitName" => "PHP Documentation Team",   //组织名称
18     "commonName" => "Wez Furlong",                          //公共名称
19     "emailAddress" => "wez@example.com"                     //邮箱
20 );
21 
22 // 生成公钥私钥资源
23 $res = openssl_pkey_new($config);
24 
25 // 导出私钥 $priKey
26 openssl_pkey_export($res, $priKey,null,$config);
27 
28 //  导出公钥 $pubKey
29 $pubKey = openssl_pkey_get_details($res);
30 $pubKey = $pubKey["key"];
31 //print_r($priKey); 私钥
32 //print_r($pubKey); 公钥
33 
34 //直接测试私钥 公钥
35 echo ‘-------------------公私钥加解密-START---------------------‘,‘<br>‘;
36 $data = ‘测试公私钥加解密成功!‘;
37 // 公钥加密
38 openssl_public_encrypt($data, $encrypted, $pubKey);
39 // 私钥解密
40 openssl_private_decrypt($encrypted, $decrypted, $priKey);
41 
42 echo ‘公钥加密：‘,base64_encode($encrypted),‘私钥解密：‘,‘<br>‘,$decrypted,‘<br>‘;
43 echo ‘-------------------公私钥加解密-END---------------------‘,‘<br>‘;
44 
45 //生成文件
46 $csr = openssl_csr_new($dn, $priKey,$config); //基于$dn生成新的 CSR （证书签名请求）
47 $sscert = openssl_csr_sign($csr, null, $priKey, 365,$config);//根据配置对证书进行签名
48 openssl_x509_export($sscert, $csrkey); //将公钥证书存储到一个变量 $csrkey，由 PEM 编码格式命名。
49 openssl_pkcs12_export($sscert, $privatekey, $priKey, $privkeypass); //将私钥存储到名为的出 PKCS12 文件格式的字符串。 导出密钥$privatekey
50 
51 //生成证书文件
52 $fp = fopen($cerpath, "w");
53 fwrite($fp, $csrkey);
54 fclose($fp);
55 //生成密钥文件
56 $fp = fopen($pfxpath, "w");
57 fwrite($fp, $privatekey);
58 fclose($fp);
59 
60 
61 echo ‘<br>‘,‘<br>‘,‘<br>‘,‘<br>‘;
62 echo ‘----------------------签名验证-START----------------------‘,‘<br>‘;
63 // 测试私钥 秘钥
64 $privkeypass = ‘123456789‘; //私钥密码
65 $pfxpath = "./test.pfx"; //密钥文件路径
66 $priv_key = file_get_contents($pfxpath); //获取密钥文件内容
67 $data = "测试数据！"; //加密数据测试test
68 //私钥加密
69 openssl_pkcs12_read($priv_key, $certs, $privkeypass); //读取公钥、私钥
70 $prikeyid = $certs[‘pkey‘]; //私钥
71 openssl_sign($data, $signMsg, $prikeyid,OPENSSL_ALGO_SHA1); //注册生成加密信息
72 $signMsg = base64_encode($signMsg); //base64转码加密信息
73 
74 
75 //公钥解密
76 $unsignMsg=base64_decode($signMsg);//base64解码加密信息
77 openssl_pkcs12_read($priv_key, $certs, $privkeypass); //读取公钥、私钥
78 $pubkeyid = $certs[‘cert‘]; //公钥
79 $res = openssl_verify($data, $unsignMsg, $pubkeyid); //验证
80 echo $res?‘证书测试成功！‘:‘证书测试失败！‘;echo ‘<br>‘; //输出验证结果，1：验证成功，0：验证失败
81 
82 echo ‘-----------------------签名验证-END------------------------‘,‘<br>‘;