Node.js x509.publicKey 属性
x509.publicKey是加密模块中 X509Certificate 类的内置应用程序编程接口,用于该证书的公钥。
句法:
const x509.publicKey
参数:此 API 不接受任何参数作为参数。
返回值:此 API 返回此证书的公钥。
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-----
MIICfzCCAegCCQDxxeXw914Y2DANBgkqhkiG9w0BAQsFADCBgzELMAkGA1UEBhMC
SU4xEzARBgNVBAgMCldlc3RiZW5nYWwxEDAOBgNVBAcMB0tvbGthdGExFDASBgNV
BAoMC1BhbmNvLCBJbmMuMRUwEwYDVQQDDAxSb2hpdCBQcmFzYWQxIDAeBgkqhkiG
9w0BCQEWEXJvZm9mb2ZAZ21haWwuY29tMB4XDTIwMDkwOTA1NTExN1oXDTIwMTAw
OTA1NTExN1owgYMxCzAJBgNVBAYTAklOMRMwEQYDVQQIDApXZXN0YmVuZ2FsMRAw
DgYDVQQHDAdLb2xrYXRhMRQwEgYDVQQKDAtQYW5jbywgSW5jLjEVMBMGA1UEAwwM
Um9oaXQgUHJhc2FkMSAwHgYJKoZIhvcNAQkBFhFyb2ZvZm9mQGdtYWlsLmNvbTCB
nzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAt/EfcF3FG4TneOBWr4JhOUdyuCXm
Dhy5yO3VKtQfPxr+5d0joCSnn/5vYDNSr1MfedZmqVxrXFoMAdPCd71BNmDmeLVi
QK61WREtASP0ZhQMoUBT+R3Fpdy0jPS0YoT/fBd96CJCmgsQOS8Tq5IKVeB61MyC
kwAQ2Goe0T3sdVkCAwEAATANBgkqhkiG9w0BAQsFAAOBgQATe6ixdAjoV7BSHgRX
bXM2+IZLq8kq3s7ck0EZrRVhsivutcaZwDXRCCinB+OlPedbzXwNZGvVX0nwPYHG
BfiXwdiuZeVJ88ni6Fm6RhoPtu2QF1UExfBvSXuMBgR+evp+e3QadNpGx6Ppl1aC
hWF6W2H9+MAlU7yvtmCQQuZmfQ==
-----END CERTIFICATE-----
示例 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)
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:
Type of public key :- rsa
示例 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/crypto.html#crypto_x509_publickey