Decryption Issue with Node Package “node-rsa”
我正在尝试使用该库的RSA函数实现简单的公钥加密,但是解密似乎已被破坏。
我有两个"用户",爱丽丝和鲍勃。爱丽丝(Alice)和鲍勃(Bob)(在单独文件中的代码)均通过
1 2 3 4 5 6 | module.exports.writeMessage = (message, key) => { const k = new rsa(key, 'pkcs8-public-pem') const cipherText = k.encrypt(message, 'hex'); console.log('Saving"${cipherText}" to ctext.txt'); fs.writeFileSync('ctext.txt', cipherText); }; |
然后,当鲍勃去阅读消息时,他传递了完整的密钥并从ctext.txt中解码消息,如下面的函数所示
1 2 3 4 5 | module.exports.readMessage = key => { const encryptedMessage = fs.readFileSync('ctext.txt'); const message = key.decrypt(encryptedMessage, 'utf8'); return message; }; |
加密工作得很好,并且Alice能够将密文发送到ctext。当bob调用readMessage函数并尝试解密文本时,就会出现问题。在此过程中,Alice和Bob程序均已激活,并且其键保持不变。解密时发生以下错误:
1 2 3 4 5 6 | Error: Error during decryption (probably incorrect key). Original error: Error: Incorrect data or key at NodeRSA.module.exports.NodeRSA.$$decryptKey (/Users/jisacf1/College/SeniorYear/Spring2019/CompSec/HW3/node_modules/node-rsa/src/NodeRSA.js:301:19) at NodeRSA.module.exports.NodeRSA.decrypt (/Users/jisacf1/College/SeniorYear/Spring2019/CompSec/HW3/node_modules/node-rsa/src/NodeRSA.js:249:21) at Object.module.exports.readMessage.key [as readMessage] (/Users/jisacf1/College/SeniorYear/Spring2019/CompSec/HW3/Part2/rsaReadWrite.js:7:25) at inquirer.prompt.then (/Users/jisacf1/College/SeniorYear/Spring2019/CompSec/HW3/Part2/bob.js:42:43) at processTicksAndRejections (internal/process/next_tick.js:81:5) |
我真的看不到系统如何认为它是错误的密钥,因为Alice使用Bob的公钥对消息加密,而Bob正在使用私钥对消息进行解码。我试图更改填充方案也无济于事。任何帮助将不胜感激。作为参考,库的github在这里:https://github.com/rzcoder/node-rsa
如Maarten所述,问题是