Node.js x509.publicKey 属性
原文:https://www . geesforgeks . org/node-js-x509-public key-property/
x509 .公钥是加密模块中 x509 类证书的内置应用编程接口，用于该证书的公钥。
语法:
const x509.publicKey
参数:该 API 不接受任何参数作为参数。
返回值:该 API 返回该证书的公钥。
如何生成公共证书？
公共证书打开记事本，复制粘贴以下密钥，将文件保存为 公共证书
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
例 1:
index . js
// Node.js program to demonstrate the
// x509.publicKey APi
// 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 publicKey included in this certificate.
// by using x509.publicKey api
const value = x509.publicKey
// Display the result
console.log("Type of public key :- " + value.asymmetricKeyType)
使用以下命令运行 index.js 文件:
node index.js
输出:
Type of public key :- rsa
例 2:
index . js
// Node.js program to demonstrate the
// x509.publicKey APi
// Importing crypto module
const {X509Certificate} = require('crypto')
// Importing fs module
const fs = require('fs')
// Display the result
console.log((new X509Certificate(fs.readFileSync('public-cert.pem'))).publicKey)
使用以下命令运行 index.js 文件:
node index.js
输出:
PublicKeyObject { [Symbol(kKeyType)]: 'public' }
参考:https://nodejs . org/dist/latest-v15 . x/docs/API/crypt . html # crypt _ x509 _ public keys
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