优化引入方式,及uuid算法

Readme.md

@@ -2,6 +2,10 @@
 > 本模块是对原生的`crypto`模块二次封装的，在使用上更加简单方便。
 
 ## 更新日志
++ v3.1.0
+  - 优化`uuid(),rand()`
+  - 优化库引用方式
+
 + v3.0.0
   - Node.js 10.0.0之后不再推荐使用`crypto.createCipher()`, 所以 本库的`cipher()`方法, 内部改为调用`cipheriv()` (Node.js大于10.5.0时, 旧版本的不变)
 
@@ -25,7 +29,7 @@ npm install crypto.js
 ```js
 // 1、 传统的 commonJS引入, 所有的方法都在上面
 var {
-  default: crypto,
+  origin, // 原生crypto对象
   uuid, 
   rand, 
   md5, 
@@ -41,7 +45,8 @@ var {
 
 // 2、 全新的 ESM 方式
 import crypto from 'crypto.js'
-import {
+import crypto, {
+  origin,
   uuid, 
   rand, 
   md5, 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "crypto.js",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "原生crypto加密模块的二次封装,简化常用加密函数的使用",
   "keywords": [
     "md5",
@@ -21,7 +21,9 @@
   "dependencies": {},
   "devDependencies": {},
   "main": "dist/index.js",
-  "files": ["dist/*"],
+  "files": [
+    "dist/*"
+  ],
   "scripts": {
     "start": "node ./build.js"
   },

src/helper.mjs

@@ -11,42 +11,73 @@ const AUTH_MODE = [
   'aes-192-ocb',
   'aes-256-ocb'
 ]
-const VERSION = +process.versions.node
+const VERSION = +process.versions.node.split('.').slice(0, 2).join('.')
-  .split('.')
-  .slice(0, 2)
-  .join('.')
 
 // <Buffer d7 2c 87 d0 f0 77 c7 76 6f 29 85 df ab 30 e8 95>
 const EMPTY_KEY = crypto.scryptSync
   ? crypto.scryptSync('', '', 16)
   : Buffer.from(
-      '0xd7 0x2c 0x87 0xd0 0xf0 0x77 0xc7 0x76 0x6f 0x29 0x85 0xdf 0xab 0x30 0xe8 0x95'.split(' ')
+      '0xd7 0x2c 0x87 0xd0 0xf0 0x77 0xc7 0x76 0x6f 0x29 0x85 0xdf 0xab 0x30 0xe8 0x95'.split(
+        ' '
       )
+    )
+//
+if (!crypto.randomUUID) {
+  crypto.randomUUID = function () {
+    let str = crypto.randomBytes(16).toString('hex')
+    return (
+      str.slice(0, 8) +
+      '-' +
+      str.slice(8, 12) +
+      '-' +
+      str.slice(12, 16) +
+      '-' +
+      str.slice(16, 20) +
+      '-' +
+      str.slice(-12)
+    )
+  }
+}
+if (!crypto.randomInt) {
+  crypto.randomInt = function (max) {
+    if (max === void 0) {
+      throw new TypeError(
+        '[ERR_INVALID_ARG_TYPE]: The "max" argument must be a safe integer. Received undefined'
+      )
+    }
+    return ~~(Math.random() * max)
+  }
+}
 
-export default {
+export const origin = crypto
-  origin: crypto,
 
-  hash(mode, data, outEncode) {
+export const hash = function (mode, data, outEncode) {
   let sum = crypto.createHash(mode)
   let isBuffer = Buffer.isBuffer(data)
 
   sum.update(data, isBuffer ? 'binary' : 'utf8')
   return sum.digest(outEncode || 'hex')
-  },
+}
 
-  hmac(mode, data, key, outEncode) {
+export const hmac = function (mode, data, key, outEncode) {
   key = key || ''
   let sum = crypto.createHmac(mode, key)
   let isBuffer = Buffer.isBuffer(data)
 
   sum.update(data, isBuffer ? 'binary' : 'utf8')
   return sum.digest(outEncode || 'hex')
-  },
+}
 
-  cipher(mode, data, key = EMPTY_KEY, inEncode, outEncode) {
+export const cipher = function (
+  mode,
+  data,
+  key = EMPTY_KEY,
+  inEncode,
+  outEncode
+) {
   // 10.0.0之后, createCipher方法不推荐使用了
   if (VERSION >= 10.5) {
-      return this.cipheriv(mode, data, key, EMPTY_KEY, inEncode, outEncode)
+    return cipheriv(mode, data, key, EMPTY_KEY, inEncode, outEncode)
   }
   let isBuffer = Buffer.isBuffer(data)
   inEncode = isBuffer ? 'binary' : inEncode || 'utf8'
@@ -60,12 +91,19 @@ export default {
     return { enStr, authTag }
   }
   return enStr
-  },
+}
 
-  decipher(mode, data, key = EMPTY_KEY, tag, inEncode, outEncode) {
+export const decipher = function (
+  mode,
+  data,
+  key = EMPTY_KEY,
+  tag,
+  inEncode,
+  outEncode
+) {
   // 10.0.0之后, createCipher方法不推荐使用了
   if (VERSION >= 10.5) {
-      return this.decipheriv(mode, data, key, EMPTY_KEY, tag, inEncode, outEncode)
+    return decipheriv(mode, data, key, EMPTY_KEY, tag, inEncode, outEncode)
   }
 
   let isBuffer = Buffer.isBuffer(data)
@@ -79,9 +117,16 @@ export default {
   let deStr = cd.update(data, inEncode, outEncode)
   deStr += cd.final(outEncode)
   return deStr
-  },
+}
 
-  cipheriv(mode, data, key = EMPTY_KEY, iv = EMPTY_KEY, inEncode, outEncode) {
+export const cipheriv = function (
+  mode,
+  data,
+  key = EMPTY_KEY,
+  iv = EMPTY_KEY,
+  inEncode,
+  outEncode
+) {
   let isBuffer = Buffer.isBuffer(data)
   inEncode = isBuffer ? 'binary' : inEncode || 'utf8'
   outEncode = outEncode || 'base64'
@@ -94,9 +139,17 @@ export default {
     return { enStr, authTag }
   }
   return enStr
-  },
+}
 
-  decipheriv(mode, data, key = EMPTY_KEY, iv = EMPTY_KEY, tag, inEncode, outEncode) {
+export const decipheriv = function (
+  mode,
+  data,
+  key = EMPTY_KEY,
+  iv = EMPTY_KEY,
+  tag,
+  inEncode,
+  outEncode
+) {
   let isBuffer = Buffer.isBuffer(data)
   inEncode = isBuffer ? 'binary' : inEncode || 'base64'
   outEncode = outEncode || 'utf8'
@@ -108,5 +161,4 @@ export default {
   let deStr = dcpiv.update(data, inEncode, outEncode)
   deStr += dcpiv.final(outEncode)
   return deStr
-  }
 }

src/index.mjs

@@ -6,19 +6,28 @@
 
 import os from 'os'
 import fs from 'fs'
-import Helper from './helper.mjs'
+import {
+  origin,
+  hash,
+  hmac,
+  cipher,
+  decipher,
+  cipheriv,
+  decipheriv
+} from './helper.mjs'
 
-const MAC = (function(ns) {
+const MAC = (function (ns) {
   for (let k in ns) {
+    if (k === 'lo') {
+      continue
+    }
     let _ = ns[k].pop()
-    if (_.mac !== '00:00:00:00:00:00') {
+    return _.mac.replace(/:/g, '').slice(-4)
-      return _.mac
   }
-  }
+  return Math.random().toString(16).slice(-4)
-  return process.pid.toString(16) + process.ppid.toString(16)
 })(os.networkInterfaces())
 
-var __inc__ = 1024
+var __inc__ = 1
 
 /**
  * [base64encode base64编码]
@@ -37,10 +46,7 @@ export function base64encode(str, urlFriendly) {
   str64 = buf.toString('base64')
 
   if (urlFriendly) {
-    return str64
+    return str64.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '')
-      .replace(/\+/g, '-')
-      .replace(/\//g, '_')
-      .replace(/=/g, '')
   }
   return str64
 }
@@ -73,25 +79,23 @@ export function rand(len, forceNum) {
   let max = str.length
   let tmp = ''
   for (let i = 0; i < len; i++) {
-    let r = (Math.random() * max) >> 0
+    tmp += str[origin.randomInt(max)]
-    tmp += str[r]
   }
   return tmp
 }
 
 // 返回一个如下格式的 xxxxxxxx-xxxx-xxxx-xxxxxxxx 的唯一ID
 export function uuid(pipe = '-') {
-  var rand = Helper.origin.randomBytes(8).toString('hex')
+  var str = origin.randomUUID()
   var now = (~~(Date.now() / 1000)).toString(16)
-  var str
 
   __inc__++
   if (__inc__ > 65535) {
-    __inc__ = 1024
+    __inc__ = 1
   }
-  str = md5(MAC + rand + __inc__)
+  str += __inc__.toString(16)
 
-  return now + pipe + str.slice(0, 4) + pipe + str.slice(4, 8) + pipe + str.slice(-8)
+  return now + pipe + MAC + pipe + str.slice(0, 4) + pipe + str.slice(-8)
 }
 
 /**
@@ -105,7 +109,7 @@ export function md5(str, encode) {
   }
 
   if (typeof str === 'string' || Buffer.isBuffer(str)) {
-    return Helper.hash('md5', str, encode)
+    return hash('md5', str, encode)
   }
 
   return str
@@ -118,7 +122,7 @@ export function md5(str, encode) {
 export function md5Sign(file) {
   if (fs.accessSync(file, fs.constants.R_OK)) {
     var buf = fs.readFileSync(file)
-    return Helper.hash('md5', buf)
+    return hash('md5', buf)
   }
   return null
 }
@@ -133,7 +137,7 @@ export function sha1(str, encode) {
     str += ''
   }
   if (typeof str === 'string' || Buffer.isBuffer(str)) {
-    return Helper.hash('sha1', str, encode)
+    return hash('sha1', str, encode)
   }
 
   return str
@@ -146,7 +150,7 @@ export function sha1(str, encode) {
 export function sha1Sign(file) {
   if (fs.accessSync(file, fs.constants.R_OK)) {
     var buf = fs.readFileSync(file)
-    return Helper.hash('sha1', buf)
+    return hash('sha1', buf)
   }
   return null
 }
@@ -161,7 +165,7 @@ export function sha256(str, encoding) {
     str += ''
   }
   if (typeof str === 'string' || Buffer.isBuffer(str)) {
-    return Helper.hash('sha256', str, encoding)
+    return hash('sha256', str, encoding)
   }
 
   return str
@@ -174,9 +178,29 @@ export function sha256(str, encoding) {
 export function sha256Sign(file) {
   if (fs.accessSync(file, fs.constants.R_OK)) {
     var buf = fs.readFileSync(file)
-    return Helper.hash('sha256', buf)
+    return hash('sha256', buf)
   }
   return null
 }
 
-export default Helper
+export { origin, hash, hmac, cipher, decipher, cipheriv, decipheriv }
+
+export default {
+  base64encode,
+  base64decode,
+  rand,
+  uuid,
+  md5,
+  md5Sign,
+  sha1,
+  sha1Sign,
+  sha256,
+  sha256Sign,
+  origin,
+  hash,
+  hmac,
+  cipher,
+  decipher,
+  cipheriv,
+  decipheriv
+}