sdfsdfs

node_modules/pbkdf2/index.js

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+var native = require('crypto')
+
+var checkParameters = require('./lib/precondition')
+var defaultEncoding = require('./lib/default-encoding')
+var toBuffer = require('./lib/to-buffer')
+
+function nativePBKDF2 (password, salt, iterations, keylen, digest, callback) {
+  checkParameters(iterations, keylen)
+  password = toBuffer(password, defaultEncoding, 'Password')
+  salt = toBuffer(salt, defaultEncoding, 'Salt')
+
+  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(iterations, keylen)
+  password = toBuffer(password, defaultEncoding, 'Password')
+  salt = toBuffer(salt, defaultEncoding, 'Salt')
+  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
+}