Copyright (c) 2018 Chen Xi. All Rights Reserved.

openssl private encrypt with RSA pkcs1.5 in Golang

Input

• message you want to encrypt
• RSA private key in pkcs8.

This function equals to:

Bash:

$ openssl rsautl -sign -inkey "YOUR_RSA_PRIVATE_KEY" -in "YOUR_SIGN_CONTENT" | base64

python:

M2Crypto.RSA.private_encrypt(message, RSA.pkcs1_padding)

Javescript:

const NodeRSA = require('node-rsa');
const key = new NodeRSA('RSA_PRIVATE_KEY');
key.encryptPrivate(message, 'base64');