UnknownObject/js-sha256
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Added

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- support for web worker.
- typescript types. #10

Changed
- prevent webpack to require dependencies.
This commit is contained in:
Yi-Cyuan Chen
2017-11-19 15:15:13 +08:00
parent cf975dfa0c
commit 4e5354859f
13 changed files with 352 additions and 118 deletions
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src/sha256.js
+60 -46
View File
@@ -1,7 +1,7 @@
/**
* [js-sha256]{@link https://github.com/emn178/js-sha256}
*
* @version 0.7.1
* @version 0.8.0
* @author Chen, Yi-Cyuan [emn178@gmail.com]
* @copyright Chen, Yi-Cyuan 2014-2017
* @license MIT
@@ -11,14 +11,21 @@
'use strict';
var ERROR = 'input is invalid type';
var root = typeof window === 'object' ? window : {};
var WINDOW = typeof window === 'object';
var root = WINDOW ? window : {};
if (root.JS_SHA256_NO_WINDOW) {
WINDOW = false;
}
var WEB_WORKER = !WINDOW && typeof self === 'object';
var NODE_JS = !root.JS_SHA256_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
if (NODE_JS) {
root = global;
} else if (WEB_WORKER) {
root = self;
}
var COMMON_JS = !root.JS_SHA256_NO_COMMON_JS && typeof module === 'object' && module.exports;
var AMD = typeof define === 'function' && define.amd;
var ARRAY_BUFFER = typeof ArrayBuffer !== 'undefined';
var ARRAY_BUFFER = !root.JS_SHA256_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
var HEX_CHARS = '0123456789abcdef'.split('');
var EXTRA = [-2147483648, 8388608, 32768, 128];
var SHIFT = [24, 16, 8, 0];
@@ -42,6 +49,12 @@
};
}
if (ARRAY_BUFFER && (root.JS_SHA256_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView)) {
ArrayBuffer.isView = function (obj) {
return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer;
};
}
var createOutputMethod = function (outputType, is224) {
return function (message) {
return new Sha256(is224, true).update(message)[outputType]();
@@ -67,8 +80,8 @@
};
var nodeWrap = function (method, is224) {
var crypto = require('crypto');
var Buffer = require('buffer').Buffer;
var crypto = eval("require('crypto')");
var Buffer = eval("require('buffer').Buffer");
var algorithm = is224 ? 'sha224' : 'sha256';
var nodeMethod = function (message) {
if (typeof message === 'string') {
@@ -114,9 +127,9 @@
function Sha256(is224, sharedMemory) {
if (sharedMemory) {
blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] =
blocks[4] = blocks[5] = blocks[6] = blocks[7] =
blocks[8] = blocks[9] = blocks[10] = blocks[11] =
blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
blocks[4] = blocks[5] = blocks[6] = blocks[7] =
blocks[8] = blocks[9] = blocks[10] = blocks[11] =
blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
this.blocks = blocks;
} else {
this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
@@ -152,32 +165,33 @@
if (this.finalized) {
return;
}
var notString = typeof message !== 'string';
if (notString) {
if (message === null || message === undefined) {
throw ERROR;
} else if (message.constructor === root.ArrayBuffer) {
message = new Uint8Array(message);
}
}
var length = message.length;
if (notString) {
if (typeof length !== 'number' ||
!Array.isArray(message) &&
!(ARRAY_BUFFER && ArrayBuffer.isView(message))) {
var notString, type = typeof message;
if (type !== 'string') {
if (type === 'object') {
if (message === null) {
throw ERROR;
} else if (ARRAY_BUFFER && message.constructor === ArrayBuffer) {
message = new Uint8Array(message);
} else if (!Array.isArray(message)) {
if (!ARRAY_BUFFER || !ArrayBuffer.isView(message)) {
throw ERROR;
}
}
} else {
throw ERROR;
}
notString = true;
}
var code, index = 0, i, blocks = this.blocks;
var code, index = 0, i, length = message.length, blocks = this.blocks;
while (index < length) {
if (this.hashed) {
this.hashed = false;
blocks[0] = this.block;
blocks[16] = blocks[1] = blocks[2] = blocks[3] =
blocks[4] = blocks[5] = blocks[6] = blocks[7] =
blocks[8] = blocks[9] = blocks[10] = blocks[11] =
blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
blocks[4] = blocks[5] = blocks[6] = blocks[7] =
blocks[8] = blocks[9] = blocks[10] = blocks[11] =
blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
}
if (notString) {
@@ -239,9 +253,9 @@
}
blocks[0] = this.block;
blocks[16] = blocks[1] = blocks[2] = blocks[3] =
blocks[4] = blocks[5] = blocks[6] = blocks[7] =
blocks[8] = blocks[9] = blocks[10] = blocks[11] =
blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
blocks[4] = blocks[5] = blocks[6] = blocks[7] =
blocks[8] = blocks[9] = blocks[10] = blocks[11] =
blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
}
blocks[14] = this.hBytes << 3 | this.bytes >> 29;
blocks[15] = this.bytes << 3;
@@ -413,24 +427,10 @@
};
function HmacSha256(key, is224, sharedMemory) {
var notString = typeof key !== 'string';
if (notString) {
if (key === null || key === undefined) {
throw ERROR;
} else if (key.constructor === root.ArrayBuffer) {
key = new Uint8Array(key);
}
}
var length = key.length;
if (notString) {
if (typeof length !== 'number' ||
!Array.isArray(key) &&
!(ARRAY_BUFFER && ArrayBuffer.isView(key))) {
throw ERROR;
}
} else {
var i, type = typeof key;
if (type === 'string') {
var bytes = [], length = key.length, index = 0, code;
for (var i = 0; i < length; ++i) {
for (i = 0; i < length; ++i) {
code = key.charCodeAt(i);
if (code < 0x80) {
bytes[index++] = code;
@@ -450,6 +450,20 @@
}
}
key = bytes;
} else {
if (type === 'object') {
if (key === null) {
throw ERROR;
} else if (ARRAY_BUFFER && key.constructor === ArrayBuffer) {
key = new Uint8Array(key);
} else if (!Array.isArray(key)) {
if (!ARRAY_BUFFER || !ArrayBuffer.isView(key)) {
throw ERROR;
}
}
} else {
throw ERROR;
}
}
if (key.length > 64) {
@@ -457,7 +471,7 @@
}
var oKeyPad = [], iKeyPad = [];
for (var i = 0; i < 64; ++i) {
for (i = 0; i < 64; ++i) {
var b = key[i] || 0;
oKeyPad[i] = 0x5c ^ b;
iKeyPad[i] = 0x36 ^ b;