Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(64)

Side by Side Diff: chrome/browser/resources/cryptotoken/sha256.js

Issue 917093003: Shorten Closure template notation from Array.<*> to Array<*>. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: remove cvox Created 5 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // SHA256 in javascript. 5 // SHA256 in javascript.
6 // 6 //
7 // SHA256 { 7 // SHA256 {
8 // SHA256(); 8 // SHA256();
9 // void reset(); 9 // void reset();
10 // void update(byte[] data, opt_length); 10 // void update(byte[] data, opt_length);
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
44 SHA256.prototype.reset = function() { 44 SHA256.prototype.reset = function() {
45 this._chain = [ 45 this._chain = [
46 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 46 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
47 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19]; 47 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19];
48 48
49 this._inbuf = 0; 49 this._inbuf = 0;
50 this._total = 0; 50 this._total = 0;
51 }; 51 };
52 52
53 /** Hash the next block of 64 bytes 53 /** Hash the next block of 64 bytes
54 * @param {Array.<number>} buf A 64 byte buffer 54 * @param {Array<number>} buf A 64 byte buffer
55 */ 55 */
56 SHA256.prototype._compress = function(buf) { 56 SHA256.prototype._compress = function(buf) {
57 var W = this._W; 57 var W = this._W;
58 var k = this._k; 58 var k = this._k;
59 59
60 function _rotr(w, r) { return ((w << (32 - r)) | (w >>> r)); }; 60 function _rotr(w, r) { return ((w << (32 - r)) | (w >>> r)); };
61 61
62 // get 16 big endian words 62 // get 16 big endian words
63 for (var i = 0; i < 64; i += 4) { 63 for (var i = 0; i < 64; i += 4) {
64 var w = (buf[i] << 24) | 64 var w = (buf[i] << 24) |
(...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after
106 this._chain[1] += B; 106 this._chain[1] += B;
107 this._chain[2] += C; 107 this._chain[2] += C;
108 this._chain[3] += D; 108 this._chain[3] += D;
109 this._chain[4] += E; 109 this._chain[4] += E;
110 this._chain[5] += F; 110 this._chain[5] += F;
111 this._chain[6] += G; 111 this._chain[6] += G;
112 this._chain[7] += H; 112 this._chain[7] += H;
113 }; 113 };
114 114
115 /** Update the hash with additional data 115 /** Update the hash with additional data
116 * @param {Array.<number>|Uint8Array} bytes The data 116 * @param {Array<number>|Uint8Array} bytes The data
117 * @param {number=} opt_length How many bytes to hash, if not all */ 117 * @param {number=} opt_length How many bytes to hash, if not all */
118 SHA256.prototype.update = function(bytes, opt_length) { 118 SHA256.prototype.update = function(bytes, opt_length) {
119 if (!opt_length) opt_length = bytes.length; 119 if (!opt_length) opt_length = bytes.length;
120 120
121 this._total += opt_length; 121 this._total += opt_length;
122 for (var n = 0; n < opt_length; ++n) { 122 for (var n = 0; n < opt_length; ++n) {
123 this._buf[this._inbuf++] = bytes[n]; 123 this._buf[this._inbuf++] = bytes[n];
124 if (this._inbuf == 64) { 124 if (this._inbuf == 64) {
125 this._compress(this._buf); 125 this._compress(this._buf);
126 this._inbuf = 0; 126 this._inbuf = 0;
127 } 127 }
128 } 128 }
129 }; 129 };
130 130
131 /** Update the hash with a specified range from a data buffer 131 /** Update the hash with a specified range from a data buffer
132 * @param {Array.<number>} bytes The data buffer 132 * @param {Array<number>} bytes The data buffer
133 * @param {number} start Starting index of the range in bytes 133 * @param {number} start Starting index of the range in bytes
134 * @param {number} end End index, will not be included in range 134 * @param {number} end End index, will not be included in range
135 */ 135 */
136 SHA256.prototype.updateRange = function(bytes, start, end) { 136 SHA256.prototype.updateRange = function(bytes, start, end) {
137 this._total += (end - start); 137 this._total += (end - start);
138 for (var n = start; n < end; ++n) { 138 for (var n = start; n < end; ++n) {
139 this._buf[this._inbuf++] = bytes[n]; 139 this._buf[this._inbuf++] = bytes[n];
140 if (this._inbuf == 64) { 140 if (this._inbuf == 64) {
141 this._compress(this._buf); 141 this._compress(this._buf);
142 this._inbuf = 0; 142 this._inbuf = 0;
143 } 143 }
144 } 144 }
145 }; 145 };
146 146
147 /** 147 /**
148 * Optionally update the hash with additional arguments, and return the 148 * Optionally update the hash with additional arguments, and return the
149 * resulting hash value. 149 * resulting hash value.
150 * @param {...*} var_args Data buffers to hash 150 * @param {...*} var_args Data buffers to hash
151 * @return {Array.<number>} the SHA256 hash value. 151 * @return {Array<number>} the SHA256 hash value.
152 */ 152 */
153 SHA256.prototype.digest = function(var_args) { 153 SHA256.prototype.digest = function(var_args) {
154 for (var i = 0; i < arguments.length; ++i) 154 for (var i = 0; i < arguments.length; ++i)
155 this.update(arguments[i]); 155 this.update(arguments[i]);
156 156
157 var digest = new Array(32); 157 var digest = new Array(32);
158 var totalBits = this._total * 8; 158 var totalBits = this._total * 8;
159 159
160 // add pad 0x80 0x00* 160 // add pad 0x80 0x00*
161 if (this._inbuf < 56) 161 if (this._inbuf < 56)
162 this.update(this._pad, 56 - this._inbuf); 162 this.update(this._pad, 56 - this._inbuf);
163 else 163 else
164 this.update(this._pad, 64 - (this._inbuf - 56)); 164 this.update(this._pad, 64 - (this._inbuf - 56));
165 165
166 // add # bits, big endian 166 // add # bits, big endian
167 for (var i = 63; i >= 56; --i) { 167 for (var i = 63; i >= 56; --i) {
168 this._buf[i] = totalBits & 255; 168 this._buf[i] = totalBits & 255;
169 totalBits >>>= 8; 169 totalBits >>>= 8;
170 } 170 }
171 171
172 this._compress(this._buf); 172 this._compress(this._buf);
173 173
174 var n = 0; 174 var n = 0;
175 for (var i = 0; i < 8; ++i) 175 for (var i = 0; i < 8; ++i)
176 for (var j = 24; j >= 0; j -= 8) 176 for (var j = 24; j >= 0; j -= 8)
177 digest[n++] = (this._chain[i] >> j) & 255; 177 digest[n++] = (this._chain[i] >> j) & 255;
178 178
179 return digest; 179 return digest;
180 }; 180 };
OLDNEW
« no previous file with comments | « chrome/browser/resources/cryptotoken/requestqueue.js ('k') | chrome/browser/resources/cryptotoken/signer.js » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698