前端使用 jsrsasign 进行 RSA 加密、解密实验

html

<script src="https://cdnjs.cloudflare.com/ajax/libs/jsrsasign/8.0.20/jsrsasign-all-min.js">script>

<script>
// 公钥
let pk="-----BEGIN PUBLIC KEY-----\n" +
    "MIGeMA0GCSqGSIb3DQEBAQUAA4GMADCBiAKBgFYiHvXY0EqYUAEuchLaOtpTfjxo\n" +
    "l9v6Qt8keUw+LG6YwtpFz3c5r3ZezgjpCEq2EQzAdJzGPylfgQGL2mSr+whczz1i\n" +
    "6uXAB7KYVY3DUY2C9LkfhdmWoWHPT0n8Po7mbWauddE7thgGcXHs6ngEq5tr6us6\n" +
    "BpHo7rrm59ccjPHTAgMBAAE=\n" +
    "-----END PUBLIC KEY-----"
// 私钥
let priK = "-----BEGIN RSA PRIVATE KEY-----\n" +
    "MIICWwIBAAKBgFYiHvXY0EqYUAEuchLaOtpTfjxol9v6Qt8keUw+LG6YwtpFz3c5\n" +
    "r3ZezgjpCEq2EQzAdJzGPylfgQGL2mSr+whczz1i6uXAB7KYVY3DUY2C9LkfhdmW\n" +
    "oWHPT0n8Po7mbWauddE7thgGcXHs6ngEq5tr6us6BpHo7rrm59ccjPHTAgMBAAEC\n" +
    "gYA6Ny+jzJnjgRS557F0KomSnNH6dFsHdBuUhCtzq6YOTjOMoZh6pcOBBszM2uwe\n" +
    "yvW1H7Lxb1CrXwBrkiHW3yJ4mIy7M/VnO4n1YD6S5yZs+F72EyXxzEbVHSw3MZRg\n" +
    "HMQ/fEmjfTCTxAkpDThKI45x0iCWPYrAdJZo5D+jK/ajKQJBAJs7U52eMoIxEuuZ\n" +
    "E7kmdiiYS8mlmkLDtxh0coyIYzA/Ia7vq0GzVAgU2Gw5Jbc7Xs8jDUekz63QN90h\n" +
    "+28pDtcCQQCOC+VIKOmtqdzNeh3NMv2zAaKpYgTieze8+qk2sbdyKpG5CY5+LKwq\n" +
    "z8/m/hCEHrunElDFl1/hXwNrMB3I5sFlAkAPpG7Ml0BntiI983L1WVbWyGH6s+FT\n" +
    "kP1GTZWta6DzH6l5Q1VyjWuOVOtqHGgcirMHFHUmHwl+bljyw5XeobiJAkEAh+bd\n" +
    "sRJjsGGp/XVuedrlW5Se+gvrvHxDMa1opAmYB8SusyhvikxXVIaK1OgTCTUWOJyP\n" +
    "ZtyTQV7UOINKm+Ia+QJADxxw7+BoN4/IAMld7/NhItkNRwE8/sQTes12IlZdvikM\n" +
    "l+n5UgpXWz+ZJnX5WhAHytf3oIRU2Jd7Ix3I8gwDTg==\n" +
    "-----END RSA PRIVATE KEY-----";
let src = "我是谁 我从哪里来 我要到哪里去";
// 加密、解密套餐 ( 公钥加密，私钥解密 )：
// 加密
let pub = KEYUTIL.getKey(pk);
let enc = KJUR.crypto.Cipher.encrypt(src, pub);
console.log(`公钥加密结果：${enc}`);
// 建议使用使用hextob64u(enc), 它会将+替换成-,/替换成_,去掉尾部补全的=
// console.log(hextob64(enc));
// 解密
let prv = KEYUTIL.getKey(priK);
let dec = KJUR.crypto.Cipher.decrypt(enc, prv);
console.log(`私钥解密结果：${dec}`);
// 签名、验签套餐 ( 私钥签名，公钥验签 ):
// 签名
let signature=new KJUR.crypto.Signature({alg:"SHA1withRSA",prvkeypem:priK});
signature.updateString(src);
// 签名返回结果是16进制字符串，注意转码
let a = signature.sign();
let sign = hextob64(a);
console.log(`私钥签名：${sign}`);
// 验签
let signatureVf = new KJUR.crypto.Signature({alg:"SHA1withRSA",prvkeypem:pk});
signatureVf.updateString(src);
// 验签入参是16进制字符串，注意转码
let b = signatureVf.verify(b64tohex(sign));
console.log(`公钥验签：${b}`);
script>

node

apt update
apt install npm
npm install -g jsrsasign-util
npm install -g jsrsasign
npm install -g crypto-js
npm list -g
npm fund
touch test .js
vi test.js
var jsrsasign=require("jsrsasign");
// 公钥
let pk="-----BEGIN PUBLIC KEY-----\n" +
    "MIGeMA0GCSqGSIb3DQEBAQUAA4GMADCBiAKBgFYiHvXY0EqYUAEuchLaOtpTfjxo\n" +
    "l9v6Qt8keUw+LG6YwtpFz3c5r3ZezgjpCEq2EQzAdJzGPylfgQGL2mSr+whczz1i\n" +
    "6uXAB7KYVY3DUY2C9LkfhdmWoWHPT0n8Po7mbWauddE7thgGcXHs6ngEq5tr6us6\n" +
    "BpHo7rrm59ccjPHTAgMBAAE=\n" +
    "-----END PUBLIC KEY-----"
// 私钥
let priK = "-----BEGIN RSA PRIVATE KEY-----\n" +
    "MIICWwIBAAKBgFYiHvXY0EqYUAEuchLaOtpTfjxol9v6Qt8keUw+LG6YwtpFz3c5\n" +
    "r3ZezgjpCEq2EQzAdJzGPylfgQGL2mSr+whczz1i6uXAB7KYVY3DUY2C9LkfhdmW\n" +
    "oWHPT0n8Po7mbWauddE7thgGcXHs6ngEq5tr6us6BpHo7rrm59ccjPHTAgMBAAEC\n" +
    "gYA6Ny+jzJnjgRS557F0KomSnNH6dFsHdBuUhCtzq6YOTjOMoZh6pcOBBszM2uwe\n" +
    "yvW1H7Lxb1CrXwBrkiHW3yJ4mIy7M/VnO4n1YD6S5yZs+F72EyXxzEbVHSw3MZRg\n" +
    "HMQ/fEmjfTCTxAkpDThKI45x0iCWPYrAdJZo5D+jK/ajKQJBAJs7U52eMoIxEuuZ\n" +
    "E7kmdiiYS8mlmkLDtxh0coyIYzA/Ia7vq0GzVAgU2Gw5Jbc7Xs8jDUekz63QN90h\n" +
    "+28pDtcCQQCOC+VIKOmtqdzNeh3NMv2zAaKpYgTieze8+qk2sbdyKpG5CY5+LKwq\n" +
    "z8/m/hCEHrunElDFl1/hXwNrMB3I5sFlAkAPpG7Ml0BntiI983L1WVbWyGH6s+FT\n" +
    "kP1GTZWta6DzH6l5Q1VyjWuOVOtqHGgcirMHFHUmHwl+bljyw5XeobiJAkEAh+bd\n" +
    "sRJjsGGp/XVuedrlW5Se+gvrvHxDMa1opAmYB8SusyhvikxXVIaK1OgTCTUWOJyP\n" +
    "ZtyTQV7UOINKm+Ia+QJADxxw7+BoN4/IAMld7/NhItkNRwE8/sQTes12IlZdvikM\n" +
    "l+n5UgpXWz+ZJnX5WhAHytf3oIRU2Jd7Ix3I8gwDTg==\n" +
    "-----END RSA PRIVATE KEY-----";
let src = "我是谁 我从哪里来 我要到哪里去";
console.log(`${pk}`);
console.log(`${priK}`);
// 加密、解密套餐 ( 公钥加密，私钥解密 )：
// 加密
let pub = jsrsasign.KEYUTIL.getKey(pk);
let enc = jsrsasign.KJUR.crypto.Cipher.encrypt(src, pub);
console.log(`公钥加密结果：${enc}`);
// 建议使用使用hextob64u(enc), 它会将+替换成-,/替换成_,去掉尾部补全的=
// console.log(hextob64(enc));
// 解密
let prv = jsrsasign.KEYUTIL.getKey(priK);
let dec = jsrsasign.KJUR.crypto.Cipher.decrypt(enc, prv);
console.log(`私钥解密结果：${dec}`);
// 签名、验签套餐 ( 私钥签名，公钥验签 ):
// 签名
let signature=new jsrsasign.KJUR.crypto.Signature({alg:"SHA1withRSA",prvkeypem:priK});
signature.updateString(src);
// 签名返回结果是16进制字符串，注意转码
let a = signature.sign();
let sign = jsrsasign.hextob64(a);
console.log(`私钥签名：${sign}`);
// 验签
let signatureVf = new jsrsasign.KJUR.crypto.Signature({alg:"SHA1withRSA",prvkeypem:pk});
signatureVf.updateString(src);
// 验签入参是16进制字符串，注意转码
let b = signatureVf.verify(jsrsasign.b64tohex(sign));
console.log(`公钥验签：${b}`);

node test.js

参考连接

JavaScript的RSA加密库：https://blog.csdn.net/junxuezheng/article/details/109824552

jsrsasign使用笔记：https://www.jianshu.com/p/9cc8ba017c0e/