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1.修复获取私钥0x09 bug

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2.添加安卓机MTU设置
This commit is contained in:
peng fan 2024-08-08 11:23:08 +08:00
parent 4a2394d57f
commit a2e7ad12f4
1 changed files with 48 additions and 22 deletions
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70
pages/demo/demo.vue
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@ -30,6 +30,8 @@ export default {
characteristicId2: '',
lockId: '',
publicKey: new Uint8Array(16),
commKey: new Uint8Array(16),
signKey: new Uint8Array(16),
showList: true,
number: 1
}
@ -82,13 +84,14 @@ export default {
let authCodeBuffer = new ArrayBuffer(originAuthCodeLen)
let authCodeBinaryData = new Uint8Array(authCodeBuffer)
for(let i=0; i < keyId.length; i++){
authCodeBinaryData[i] = keyId.charCodeAt(i)
for(let i=0; i < authUserId.length; i++){
authCodeBinaryData[i] = authUserId.charCodeAt(i)
}
for(let i=0; i < authUserId.length; i++){
authCodeBinaryData[keyId.length + i] = authUserId.charCodeAt(i)
for(let i=0; i < keyId.length; i++){
authCodeBinaryData[authUserId.length + i] = keyId.charCodeAt(i)
}
const number = keyId.length + authUserId.length
authCodeBinaryData[number + 0] = (nowTime & 0xff000000) >> 24
authCodeBinaryData[number + 1] = (nowTime & 0xff0000) >> 16
@ -99,9 +102,11 @@ export default {
authCodeBinaryData[number + 4 + i] = this.publicKey[i]
}
console.log('钥ID', keyId, '用户ID', authUserId, '时间戳', nowTime,'公钥', Array.from(this.publicKey))
console.log('md5前的数据', Array.from(authCodeBinaryData, byte =>
byte.toString(10)).join(','))
const codeMd5 = md5(authCodeBinaryData)
const md5Hex = md5(authCodeBinaryData)
const codeMd5 = new Uint8Array(md5Hex.match(/.{1,2}/g).map(byte => parseInt(byte, 16)))
console.log('md5后的数据', codeMd5, codeMd5.length)
const bufferLength = codeMd5.length + 12 + 107
@ -156,7 +161,7 @@ export default {
binaryData[flagNumber] = codeMd5.length
flagNumber += 1
for (let i = 0; i < codeMd5.length; i++) {
binaryData[flagNumber + i] = codeMd5.charCodeAt(i)
binaryData[flagNumber + i] = codeMd5[i]
}
binaryData[8] = Math.ceil((bufferLength - 12)/16) * 16 / 256
@ -300,23 +305,32 @@ export default {
console.log('设备特征值改变')
console.log(res)
let binaryData = new Uint8Array(res.value)
console.log('ecb解密前的数据', Array.from(binaryData))
// 明文
if(binaryData[7] === 0x20) {
if(binaryData[12] === 48 && binaryData[13] === 144){
const publicKey = binaryData.slice(15, 31)
console.log('公钥', Array.from(publicKey))
that.publicKey = publicKey
if(binaryData[0] === 239 && binaryData[1] === 1 && binaryData[2] === 238 && binaryData[3] === 2) {
console.log('设备返回的数据', Array.from(binaryData), Array.from(binaryData, byte =>
byte.toString(16)).join(','))
// 明文 0x20 SM4事先约定密钥 0x22
if(binaryData[7] === 0x20) {
if(binaryData[12] === 48 && binaryData[13] === 144){
const publicKey = binaryData.slice(15, 31)
console.log('公钥', Array.from(publicKey))
that.publicKey = publicKey
}
} else if(binaryData[7] === 0x22) {
const cebBinaryData = binaryData.slice(12, binaryData.length - 2)
console.log('sm4返回参数', Array.from(cebBinaryData))
const key = new Uint8Array(16)
for (let i = 0; i < that.lockId.length; i++) {
key[i] = that.lockId.charCodeAt(i)
}
const decrypted = sm4.decrypt(cebBinaryData, key, { mode: 'ecb', output: 'array' })
console.log('ecb解密后的数据', decrypted)
if(decrypted[0] === 48 && decrypted[1] === 145) {
that.commKey = decrypted.slice(3, 19)
that.signKey = decrypted.slice(19, 35)
console.log('commKey', Array.from(that.commKey))
console.log('signKey', Array.from(that.signKey))
}
}
} else if(binaryData[7] === 0x22) {
const cebBinaryData = binaryData.slice(12, 28)
console.log('sm4返回参数', Array.from(cebBinaryData))
const key = new Uint8Array(16)
for (let i = 0; i < that.lockId.length; i++) {
key[i] = that.lockId.charCodeAt(i)
}
const decrypted = sm4.decrypt(cebBinaryData, key, { mode: 'ecb', output: 'array' })
console.log('ecb解密后的数据', decrypted)
}
})
}
@ -359,6 +373,18 @@ export default {
}
that.showList = false
that.notifyBLECharacteristicValueChange()
if(uni.$u.os() === 'android') {
uni.setBLEMTU({
deviceId: that.deviceId,
mtu: 256,
success() {
console.log('mtu设置成功')
},
fail(res) {
console.log('mtu设置失败', res)
}
})
}
uni.showToast({
title: '数据获取成功',
icon: 'none',