UnknownObject/js-sha256
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* Added some files to npm package.

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* Updated coding style.
This commit is contained in:
Chen, Yi-Cyuan
2016-09-08 10:23:01 +08:00
parent 1ff17fbdd9
commit 61d4076633
10 changed files with 91 additions and 121 deletions
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src/sha256.js
+28 -29
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@@ -1,20 +1,19 @@
/*
* js-sha256 v0.3.0
* https://github.com/emn178/js-sha256
/**
* [js-sha256]{@link https://github.com/emn178/js-sha256}
*
* Copyright 2014-2015, emn178@gmail.com
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/MIT
* @version 0.3.1
* @author Chen, Yi-Cyuan [emn178@gmail.com]
* @copyright Chen, Yi-Cyuan 2014-2016
* @license MIT
*/
;(function(root, undefined) {
(function (root) {
'use strict';
var NODE_JS = typeof(module) != 'undefined';
if(NODE_JS) {
var NODE_JS = typeof process == 'object' && process.versions && process.versions.node;
if (NODE_JS) {
root = global;
}
var TYPED_ARRAY = typeof(Uint8Array) != 'undefined';
var TYPED_ARRAY = typeof Uint8Array != 'undefined';
var HEX_CHARS = '0123456789abcdef'.split('');
var EXTRA = [-2147483648, 8388608, 32768, 128];
var SHIFT = [24, 16, 8, 0];
@@ -29,13 +28,13 @@
var blocks = [];
var sha224 = function(message) {
var sha224 = function (message) {
return sha256(message, true);
};
var sha256 = function(message, is224) {
var notString = typeof(message) != 'string';
if(notString && message.constructor == root.ArrayBuffer) {
var sha256 = function (message, is224) {
var notString = typeof message != 'string';
if (notString && message.constructor == root.ArrayBuffer) {
message = new Uint8Array(message);
}
@@ -43,7 +42,7 @@
i, j, index = 0, start = 0, bytes = 0, length = message.length,
s0, s1, maj, t1, t2, ch, ab, da, cd, bc;
if(is224) {
if (is224) {
h0 = 0xc1059ed8;
h1 = 0x367cd507;
h2 = 0x3070dd17;
@@ -69,12 +68,12 @@
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) {
for (i = start;index < length && i < 64; ++index) {
if (notString) {
for (i = start;index < length && i < 64;++index) {
blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
}
} else {
for (i = start;index < length && i < 64; ++index) {
for (i = start;index < length && i < 64;++index) {
code = message.charCodeAt(index);
if (code < 0x80) {
blocks[i >> 2] |= code << SHIFT[i++ & 3];
@@ -96,18 +95,18 @@
}
bytes += i - start;
start = i - 64;
if(index == length) {
if (index == length) {
blocks[i >> 2] |= EXTRA[i & 3];
++index;
}
block = blocks[16];
if(index > length && i < 56) {
if (index > length && i < 56) {
blocks[15] = bytes << 3;
end = true;
}
var a = h0, b = h1, c = h2, d = h3, e = h4, f = h5, g = h6, h = h7;
for(j = 16;j < 64;++j) {
for (j = 16;j < 64;++j) {
// rightrotate
t1 = blocks[j - 15];
s0 = ((t1 >>> 7) | (t1 << 25)) ^ ((t1 >>> 18) | (t1 << 14)) ^ (t1 >>> 3);
@@ -117,9 +116,9 @@
}
bc = b & c;
for(j = 0;j < 64;j += 4) {
if(first) {
if(is224) {
for (j = 0;j < 64;j += 4) {
if (first) {
if (is224) {
ab = 300032;
t1 = blocks[0] - 1413257819;
h = t1 - 150054599 << 0;
@@ -179,7 +178,7 @@
h5 = h5 + f << 0;
h6 = h6 + g << 0;
h7 = h7 + h << 0;
} while(!end);
} while (!end);
var hex = HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
@@ -209,7 +208,7 @@
HEX_CHARS[(h6 >> 20) & 0x0F] + HEX_CHARS[(h6 >> 16) & 0x0F] +
HEX_CHARS[(h6 >> 12) & 0x0F] + HEX_CHARS[(h6 >> 8) & 0x0F] +
HEX_CHARS[(h6 >> 4) & 0x0F] + HEX_CHARS[h6 & 0x0F];
if(!is224) {
if (!is224) {
hex += HEX_CHARS[(h7 >> 28) & 0x0F] + HEX_CHARS[(h7 >> 24) & 0x0F] +
HEX_CHARS[(h7 >> 20) & 0x0F] + HEX_CHARS[(h7 >> 16) & 0x0F] +
HEX_CHARS[(h7 >> 12) & 0x0F] + HEX_CHARS[(h7 >> 8) & 0x0F] +
@@ -218,11 +217,11 @@
return hex;
};
if(!root.JS_SHA256_TEST && NODE_JS) {
if (!root.JS_SHA256_TEST && NODE_JS) {
sha256.sha256 = sha256;
sha256.sha224 = sha224;
module.exports = sha256;
} else if(root) {
} else if (root) {
root.sha256 = sha256;
root.sha224 = sha224;
}