diff options
Diffstat (limited to 'deps/npm/node_modules/cryptiles/lib/index.js')
-rwxr-xr-x | deps/npm/node_modules/cryptiles/lib/index.js | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/deps/npm/node_modules/cryptiles/lib/index.js b/deps/npm/node_modules/cryptiles/lib/index.js deleted file mode 100755 index c8a046d743..0000000000 --- a/deps/npm/node_modules/cryptiles/lib/index.js +++ /dev/null @@ -1,66 +0,0 @@ -// Load modules - -var Crypto = require('crypto'); -var Boom = require('boom'); - - -// Declare internals - -var internals = {}; - - -// Generate a cryptographically strong pseudo-random data - -exports.randomString = function (size) { - - var buffer = exports.randomBits((size + 1) * 6); - if (buffer instanceof Error) { - return buffer; - } - - var string = buffer.toString('base64').replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, ''); - return string.slice(0, size); -}; - - -exports.randomBits = function (bits) { - - if (!bits || - bits < 0) { - - return Boom.internal('Invalid random bits count'); - } - - var bytes = Math.ceil(bits / 8); - try { - return Crypto.randomBytes(bytes); - } - catch (err) { - return Boom.internal('Failed generating random bits: ' + err.message); - } -}; - - -// Compare two strings using fixed time algorithm (to prevent time-based analysis of MAC digest match) - -exports.fixedTimeComparison = function (a, b) { - - if (typeof a !== 'string' || - typeof b !== 'string') { - - return false; - } - - var mismatch = (a.length === b.length ? 0 : 1); - if (mismatch) { - b = a; - } - - for (var i = 0, il = a.length; i < il; ++i) { - var ac = a.charCodeAt(i); - var bc = b.charCodeAt(i); - mismatch |= (ac ^ bc); - } - - return (mismatch === 0); -}; |