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perf: aes key 强制最大 16

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This commit is contained in:
ibuler
2022-08-05 11:28:38 +08:00
committed by Jiangjie.Bai
parent c4d0462362
commit a8867dee83
1 changed files with 5 additions and 10 deletions
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15
src/utils/crypto.js
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@@ -3,17 +3,11 @@ import CryptoJS from 'crypto-js'
import VueCookie from 'vue-cookie' import VueCookie from 'vue-cookie'
export function fillKey(key) { export function fillKey(key) {
let keySize = 128 const KeyLength = 16
// 如果超过 key 16 位, 最大取 32 位，需要更改填充 if (key.length > KeyLength) {
if (key.length > 16) { key = key.slice(0, KeyLength)
key = key.slice(0, 32)
keySize = keySize * 2
} }
const filledKeyLength = keySize / 8 const filledKey = Buffer.alloc(KeyLength)
if (key.length >= filledKeyLength) {
return key.slice(0, filledKeyLength)
}
const filledKey = Buffer.alloc(keySize / 8)
const keys = Buffer.from(key) const keys = Buffer.from(key)
for (let i = 0; i < keys.length; i++) { for (let i = 0; i < keys.length; i++) {
filledKey[i] = keys[i] filledKey[i] = keys[i]
@@ -54,4 +48,5 @@ export function encryptPassword(password) {
} }
window.aesEncrypt = aesEncrypt window.aesEncrypt = aesEncrypt
window.fillKey = fillKey