Blame view

node_modules/pbkdf2/index.js 999 Bytes
aaac7fed   liuqimichale   add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
  var checkParameters = require('./lib/precondition')
  var native = require('crypto')
  
  function nativePBKDF2 (password, salt, iterations, keylen, digest, callback) {
    checkParameters(password, salt, iterations, keylen)
  
    if (typeof digest === 'function') {
      callback = digest
      digest = 'sha1'
    }
    if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2')
  
    return native.pbkdf2(password, salt, iterations, keylen, digest, callback)
  }
  
  function nativePBKDF2Sync (password, salt, iterations, keylen, digest) {
    checkParameters(password, salt, iterations, keylen)
    digest = digest || 'sha1'
    return native.pbkdf2Sync(password, salt, iterations, keylen, digest)
  }
  
  /* istanbul ignore next */
  if (!native.pbkdf2Sync || native.pbkdf2Sync.toString().indexOf('keylen, digest') === -1) {
    exports.pbkdf2Sync = require('./lib/sync')
    exports.pbkdf2 = require('./lib/async')
  
  // native
  } else {
    exports.pbkdf2Sync = nativePBKDF2Sync
    exports.pbkdf2 = nativePBKDF2
  }