diff options
Diffstat (limited to 'backend/node_modules/buffer-equal-constant-time/index.js')
-rw-r--r-- | backend/node_modules/buffer-equal-constant-time/index.js | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/backend/node_modules/buffer-equal-constant-time/index.js b/backend/node_modules/buffer-equal-constant-time/index.js deleted file mode 100644 index 5462c1f..0000000 --- a/backend/node_modules/buffer-equal-constant-time/index.js +++ /dev/null @@ -1,41 +0,0 @@ -/*jshint node:true */ -'use strict'; -var Buffer = require('buffer').Buffer; // browserify -var SlowBuffer = require('buffer').SlowBuffer; - -module.exports = bufferEq; - -function bufferEq(a, b) { - - // shortcutting on type is necessary for correctness - if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { - return false; - } - - // buffer sizes should be well-known information, so despite this - // shortcutting, it doesn't leak any information about the *contents* of the - // buffers. - if (a.length !== b.length) { - return false; - } - - var c = 0; - for (var i = 0; i < a.length; i++) { - /*jshint bitwise:false */ - c |= a[i] ^ b[i]; // XOR - } - return c === 0; -} - -bufferEq.install = function() { - Buffer.prototype.equal = SlowBuffer.prototype.equal = function equal(that) { - return bufferEq(this, that); - }; -}; - -var origBufEqual = Buffer.prototype.equal; -var origSlowBufEqual = SlowBuffer.prototype.equal; -bufferEq.restore = function() { - Buffer.prototype.equal = origBufEqual; - SlowBuffer.prototype.equal = origSlowBufEqual; -}; |