summaryrefslogtreecommitdiffstats
path: root/node_modules/create-hmac/legacy.js
diff options
context:
space:
mode:
authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/create-hmac/legacy.js
downloadwebsite_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz
website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2
website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip
api, login, auth
Diffstat (limited to 'node_modules/create-hmac/legacy.js')
-rw-r--r--node_modules/create-hmac/legacy.js46
1 files changed, 46 insertions, 0 deletions
diff --git a/node_modules/create-hmac/legacy.js b/node_modules/create-hmac/legacy.js
new file mode 100644
index 0000000..5039c2a
--- /dev/null
+++ b/node_modules/create-hmac/legacy.js
@@ -0,0 +1,46 @@
+'use strict'
+var inherits = require('inherits')
+var Buffer = require('safe-buffer').Buffer
+
+var Base = require('cipher-base')
+
+var ZEROS = Buffer.alloc(128)
+var blocksize = 64
+
+function Hmac (alg, key) {
+ Base.call(this, 'digest')
+ if (typeof key === 'string') {
+ key = Buffer.from(key)
+ }
+
+ this._alg = alg
+ this._key = key
+
+ if (key.length > blocksize) {
+ key = alg(key)
+ } else if (key.length < blocksize) {
+ key = Buffer.concat([key, ZEROS], blocksize)
+ }
+
+ var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+ var opad = this._opad = Buffer.allocUnsafe(blocksize)
+
+ for (var i = 0; i < blocksize; i++) {
+ ipad[i] = key[i] ^ 0x36
+ opad[i] = key[i] ^ 0x5C
+ }
+
+ this._hash = [ipad]
+}
+
+inherits(Hmac, Base)
+
+Hmac.prototype._update = function (data) {
+ this._hash.push(data)
+}
+
+Hmac.prototype._final = function () {
+ var h = this._alg(Buffer.concat(this._hash))
+ return this._alg(Buffer.concat([this._opad, h]))
+}
+module.exports = Hmac