44 lines
1.4 KiB
JavaScript
44 lines
1.4 KiB
JavaScript
const CryptoJS = require('crypto-js')
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const rawCrypto = require('crypto')
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const NodeRSA = require('node-rsa')
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const { readKey } = require('./storage.js')
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// rsa非对称 私钥解密
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const RSADecryptAsync = async (ciphertext) => {
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if (!ciphertext) return
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let { privateKey } = await readKey()
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privateKey = await AESDecryptAsync(privateKey) // 先解密私钥
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const rsakey = new NodeRSA(privateKey)
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rsakey.setOptions({ encryptionScheme: 'pkcs1', environment: 'browser' }) // Must Set It When Frontend Use jsencrypt
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const plaintext = rsakey.decrypt(ciphertext, 'utf8')
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return plaintext
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}
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// aes对称 加密(default commonKey)
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const AESEncryptAsync = async (text, key) => {
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if (!text) return
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let { commonKey } = await readKey()
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let ciphertext = CryptoJS.AES.encrypt(text, key || commonKey).toString()
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return ciphertext
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}
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// aes对称 解密(default commonKey)
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const AESDecryptAsync = async (ciphertext, key) => {
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if (!ciphertext) return
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let { commonKey } = await readKey()
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let bytes = CryptoJS.AES.decrypt(ciphertext, key || commonKey)
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let originalText = bytes.toString(CryptoJS.enc.Utf8)
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return originalText
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}
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// sha1 加密(不可逆)
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const SHA1Encrypt = (clearText) => {
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return rawCrypto.createHash('sha1').update(clearText).digest('hex')
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}
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module.exports = {
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RSADecryptAsync,
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AESEncryptAsync,
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AESDecryptAsync,
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SHA1Encrypt
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} |