Node.js x509.issuerCertificate 属性
x509.issuerCertificate是加密模块中 X509Certificate 类的内置应用程序编程接口,用于获取颁发者证书,如果颁发者证书不可用,则未定义。
句法:
const x509.issuerCertificate
参数:此属性不接受任何参数作为参数。
返回值:此属性返回颁发者证书,如果颁发者证书不可用,则返回 undefined。
如何生成公共证书?
公共证书打开记事本并复制粘贴以下密钥并将文件保存为public-cert.pem
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
示例 1:
index.js
// Node.js program to demonstrate the
// x509.issuerCertificate function
// Importing crypto module
const {X509Certificate} = require('crypto')
// Importing fs module
const fs = require('fs')
// getting object of a PEM encoded X509 Certificate.
const x509 = new X509Certificate(fs.readFileSync('public-cert.pem'));
// getting issuerCertificate included in this certificate.
// by using x509.issuerCertificate function
const value = x509.issuerCertificate
// display the result
console.log("issuerCertificate :- " + value)
index.js
// Node.js program to demonstrate the
// x509.issuerCertificate function
// Importing crypto module
const {X509Certificate} = require('crypto')
// Importing fs module
const fs = require('fs')
// display the result
console.log("issuerCertificate :- " + (new X509Certificate(
fs.readFileSync('public-cert.pem'))).issuerCertificate)
使用以下命令运行 index.js 文件。
node index.js
输出:
issuerCertificate :- undefined
示例 2:
index.js
// Node.js program to demonstrate the
// x509.issuerCertificate function
// Importing crypto module
const {X509Certificate} = require('crypto')
// Importing fs module
const fs = require('fs')
// display the result
console.log("issuerCertificate :- " + (new X509Certificate(
fs.readFileSync('public-cert.pem'))).issuerCertificate)
使用以下命令运行 index.js 文件。
node index.js
输出:
issuerCertificate :- undefined
参考: https://nodejs.org/dist/latest-v15.x/docs/api/crypto.html#crypto_x509_issuercertificate