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Added Copy String button to help with larger files
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-61
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‎index.htm

+92-61
Original file line numberDiff line numberDiff line change
@@ -6053,6 +6053,7 @@
60536053
</head>
60546054

60556055
<body>
6056+
60566057
<div>
60576058
<div>
60586059
<label for="filePicker">Choose or drag a (tar) file to encode:</label>
@@ -6063,7 +6064,10 @@
60636064
<p>Compression Level (1-9): <input type="number" min="1" max="9" value="9"id="complevel"></input></p>
60646065
<div>
60656066
<h1>BWTC32Key-encoded version</h1>
6066-
<textarea id="base64textarea" placeholder="Base32768 will appear here" cols="50" rows="15"></textarea><br>
6067+
<form name="BWTC32Key" action="">
6068+
<textarea id="base64textarea" name="base32768textarea" placeholder="Base32768 will appear here" cols="50" rows="15"></textarea><br>
6069+
<button id="copy" type="button" onclick="copyOutputToClipboard();">Copy the above string.</button>
6070+
</form>
60676071
<p>B3K filename:</p>
60686072

60696073
<textarea id="B3Kfilename">myFile.B3K</textarea>
@@ -6079,7 +6083,6 @@ <h3>Decoding:</h3>
60796083
<textarea id="filename">output.bin</textarea>
60806084
<textarea id="filetype">application/octet-stream</textarea><br />
60816085
<a download="output.bin" id="downloadlink" style="display: none">Download decoded file</a>
6082-
60836086
<script>
60846087
// tell the embed parent frame the height of the content
60856088
if (window.parent && window.parent.parent){
@@ -6283,34 +6286,34 @@ <h3>Decoding:</h3>
62836286
if (this.hashed) {
62846287
this.hashed = false;
62856288
blocks[0] = this.block;
6286-
blocks[16] = blocks[1] = blocks[2] = blocks[3] =
6289+
this.block = blocks[16] = blocks[1] = blocks[2] = blocks[3] =
62876290
blocks[4] = blocks[5] = blocks[6] = blocks[7] =
62886291
blocks[8] = blocks[9] = blocks[10] = blocks[11] =
62896292
blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
62906293
}
62916294

62926295
if (notString) {
62936296
for (i = this.start; index < length && i < 64; ++index) {
6294-
blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
6297+
blocks[i >>> 2] |= message[index] << SHIFT[i++ & 3];
62956298
}
62966299
} else {
62976300
for (i = this.start; index < length && i < 64; ++index) {
62986301
code = message.charCodeAt(index);
62996302
if (code < 0x80) {
6300-
blocks[i >> 2] |= code << SHIFT[i++ & 3];
6303+
blocks[i >>> 2] |= code << SHIFT[i++ & 3];
63016304
} else if (code < 0x800) {
6302-
blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
6303-
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
6305+
blocks[i >>> 2] |= (0xc0 | (code >>> 6)) << SHIFT[i++ & 3];
6306+
blocks[i >>> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
63046307
} else if (code < 0xd800 || code >= 0xe000) {
6305-
blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
6306-
blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
6307-
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
6308+
blocks[i >>> 2] |= (0xe0 | (code >>> 12)) << SHIFT[i++ & 3];
6309+
blocks[i >>> 2] |= (0x80 | ((code >>> 6) & 0x3f)) << SHIFT[i++ & 3];
6310+
blocks[i >>> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
63086311
} else {
63096312
code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
6310-
blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
6311-
blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
6312-
blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
6313-
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
6313+
blocks[i >>> 2] |= (0xf0 | (code >>> 18)) << SHIFT[i++ & 3];
6314+
blocks[i >>> 2] |= (0x80 | ((code >>> 12) & 0x3f)) << SHIFT[i++ & 3];
6315+
blocks[i >>> 2] |= (0x80 | ((code >>> 6) & 0x3f)) << SHIFT[i++ & 3];
6316+
blocks[i >>> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
63146317
}
63156318
}
63166319
}
@@ -6340,7 +6343,7 @@ <h3>Decoding:</h3>
63406343
this.finalized = true;
63416344
var blocks = this.blocks, i = this.lastByteIndex;
63426345
blocks[16] = this.block;
6343-
blocks[i >> 2] |= EXTRA[i & 3];
6346+
blocks[i >>> 2] |= EXTRA[i & 3];
63446347
this.block = blocks[16];
63456348
if (i >= 56) {
63466349
if (!this.hashed) {
@@ -6441,39 +6444,39 @@ <h3>Decoding:</h3>
64416444
var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3, h4 = this.h4, h5 = this.h5,
64426445
h6 = this.h6, h7 = this.h7;
64436446

6444-
var hex = HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
6445-
HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
6446-
HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
6447-
HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
6448-
HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
6449-
HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
6450-
HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
6451-
HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
6452-
HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
6453-
HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
6454-
HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
6455-
HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
6456-
HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F] +
6457-
HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
6458-
HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
6459-
HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
6460-
HEX_CHARS[(h4 >> 28) & 0x0F] + HEX_CHARS[(h4 >> 24) & 0x0F] +
6461-
HEX_CHARS[(h4 >> 20) & 0x0F] + HEX_CHARS[(h4 >> 16) & 0x0F] +
6462-
HEX_CHARS[(h4 >> 12) & 0x0F] + HEX_CHARS[(h4 >> 8) & 0x0F] +
6463-
HEX_CHARS[(h4 >> 4) & 0x0F] + HEX_CHARS[h4 & 0x0F] +
6464-
HEX_CHARS[(h5 >> 28) & 0x0F] + HEX_CHARS[(h5 >> 24) & 0x0F] +
6465-
HEX_CHARS[(h5 >> 20) & 0x0F] + HEX_CHARS[(h5 >> 16) & 0x0F] +
6466-
HEX_CHARS[(h5 >> 12) & 0x0F] + HEX_CHARS[(h5 >> 8) & 0x0F] +
6467-
HEX_CHARS[(h5 >> 4) & 0x0F] + HEX_CHARS[h5 & 0x0F] +
6468-
HEX_CHARS[(h6 >> 28) & 0x0F] + HEX_CHARS[(h6 >> 24) & 0x0F] +
6469-
HEX_CHARS[(h6 >> 20) & 0x0F] + HEX_CHARS[(h6 >> 16) & 0x0F] +
6470-
HEX_CHARS[(h6 >> 12) & 0x0F] + HEX_CHARS[(h6 >> 8) & 0x0F] +
6471-
HEX_CHARS[(h6 >> 4) & 0x0F] + HEX_CHARS[h6 & 0x0F];
6447+
var hex = HEX_CHARS[(h0 >>> 28) & 0x0F] + HEX_CHARS[(h0 >>> 24) & 0x0F] +
6448+
HEX_CHARS[(h0 >>> 20) & 0x0F] + HEX_CHARS[(h0 >>> 16) & 0x0F] +
6449+
HEX_CHARS[(h0 >>> 12) & 0x0F] + HEX_CHARS[(h0 >>> 8) & 0x0F] +
6450+
HEX_CHARS[(h0 >>> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
6451+
HEX_CHARS[(h1 >>> 28) & 0x0F] + HEX_CHARS[(h1 >>> 24) & 0x0F] +
6452+
HEX_CHARS[(h1 >>> 20) & 0x0F] + HEX_CHARS[(h1 >>> 16) & 0x0F] +
6453+
HEX_CHARS[(h1 >>> 12) & 0x0F] + HEX_CHARS[(h1 >>> 8) & 0x0F] +
6454+
HEX_CHARS[(h1 >>> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
6455+
HEX_CHARS[(h2 >>> 28) & 0x0F] + HEX_CHARS[(h2 >>> 24) & 0x0F] +
6456+
HEX_CHARS[(h2 >>> 20) & 0x0F] + HEX_CHARS[(h2 >>> 16) & 0x0F] +
6457+
HEX_CHARS[(h2 >>> 12) & 0x0F] + HEX_CHARS[(h2 >>> 8) & 0x0F] +
6458+
HEX_CHARS[(h2 >>> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
6459+
HEX_CHARS[(h3 >>> 28) & 0x0F] + HEX_CHARS[(h3 >>> 24) & 0x0F] +
6460+
HEX_CHARS[(h3 >>> 20) & 0x0F] + HEX_CHARS[(h3 >>> 16) & 0x0F] +
6461+
HEX_CHARS[(h3 >>> 12) & 0x0F] + HEX_CHARS[(h3 >>> 8) & 0x0F] +
6462+
HEX_CHARS[(h3 >>> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
6463+
HEX_CHARS[(h4 >>> 28) & 0x0F] + HEX_CHARS[(h4 >>> 24) & 0x0F] +
6464+
HEX_CHARS[(h4 >>> 20) & 0x0F] + HEX_CHARS[(h4 >>> 16) & 0x0F] +
6465+
HEX_CHARS[(h4 >>> 12) & 0x0F] + HEX_CHARS[(h4 >>> 8) & 0x0F] +
6466+
HEX_CHARS[(h4 >>> 4) & 0x0F] + HEX_CHARS[h4 & 0x0F] +
6467+
HEX_CHARS[(h5 >>> 28) & 0x0F] + HEX_CHARS[(h5 >>> 24) & 0x0F] +
6468+
HEX_CHARS[(h5 >>> 20) & 0x0F] + HEX_CHARS[(h5 >>> 16) & 0x0F] +
6469+
HEX_CHARS[(h5 >>> 12) & 0x0F] + HEX_CHARS[(h5 >>> 8) & 0x0F] +
6470+
HEX_CHARS[(h5 >>> 4) & 0x0F] + HEX_CHARS[h5 & 0x0F] +
6471+
HEX_CHARS[(h6 >>> 28) & 0x0F] + HEX_CHARS[(h6 >>> 24) & 0x0F] +
6472+
HEX_CHARS[(h6 >>> 20) & 0x0F] + HEX_CHARS[(h6 >>> 16) & 0x0F] +
6473+
HEX_CHARS[(h6 >>> 12) & 0x0F] + HEX_CHARS[(h6 >>> 8) & 0x0F] +
6474+
HEX_CHARS[(h6 >>> 4) & 0x0F] + HEX_CHARS[h6 & 0x0F];
64726475
if (!this.is224) {
6473-
hex += HEX_CHARS[(h7 >> 28) & 0x0F] + HEX_CHARS[(h7 >> 24) & 0x0F] +
6474-
HEX_CHARS[(h7 >> 20) & 0x0F] + HEX_CHARS[(h7 >> 16) & 0x0F] +
6475-
HEX_CHARS[(h7 >> 12) & 0x0F] + HEX_CHARS[(h7 >> 8) & 0x0F] +
6476-
HEX_CHARS[(h7 >> 4) & 0x0F] + HEX_CHARS[h7 & 0x0F];
6476+
hex += HEX_CHARS[(h7 >>> 28) & 0x0F] + HEX_CHARS[(h7 >>> 24) & 0x0F] +
6477+
HEX_CHARS[(h7 >>> 20) & 0x0F] + HEX_CHARS[(h7 >>> 16) & 0x0F] +
6478+
HEX_CHARS[(h7 >>> 12) & 0x0F] + HEX_CHARS[(h7 >>> 8) & 0x0F] +
6479+
HEX_CHARS[(h7 >>> 4) & 0x0F] + HEX_CHARS[h7 & 0x0F];
64776480
}
64786481
return hex;
64796482
};
@@ -6487,16 +6490,16 @@ <h3>Decoding:</h3>
64876490
h6 = this.h6, h7 = this.h7;
64886491

64896492
var arr = [
6490-
(h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, h0 & 0xFF,
6491-
(h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, h1 & 0xFF,
6492-
(h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, h2 & 0xFF,
6493-
(h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, h3 & 0xFF,
6494-
(h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, h4 & 0xFF,
6495-
(h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, h5 & 0xFF,
6496-
(h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, h6 & 0xFF
6493+
(h0 >>> 24) & 0xFF, (h0 >>> 16) & 0xFF, (h0 >>> 8) & 0xFF, h0 & 0xFF,
6494+
(h1 >>> 24) & 0xFF, (h1 >>> 16) & 0xFF, (h1 >>> 8) & 0xFF, h1 & 0xFF,
6495+
(h2 >>> 24) & 0xFF, (h2 >>> 16) & 0xFF, (h2 >>> 8) & 0xFF, h2 & 0xFF,
6496+
(h3 >>> 24) & 0xFF, (h3 >>> 16) & 0xFF, (h3 >>> 8) & 0xFF, h3 & 0xFF,
6497+
(h4 >>> 24) & 0xFF, (h4 >>> 16) & 0xFF, (h4 >>> 8) & 0xFF, h4 & 0xFF,
6498+
(h5 >>> 24) & 0xFF, (h5 >>> 16) & 0xFF, (h5 >>> 8) & 0xFF, h5 & 0xFF,
6499+
(h6 >>> 24) & 0xFF, (h6 >>> 16) & 0xFF, (h6 >>> 8) & 0xFF, h6 & 0xFF
64976500
];
64986501
if (!this.is224) {
6499-
arr.push((h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, h7 & 0xFF);
6502+
arr.push((h7 >>> 24) & 0xFF, (h7 >>> 16) & 0xFF, (h7 >>> 8) & 0xFF, h7 & 0xFF);
65006503
}
65016504
return arr;
65026505
};
@@ -6530,17 +6533,17 @@ <h3>Decoding:</h3>
65306533
if (code < 0x80) {
65316534
bytes[index++] = code;
65326535
} else if (code < 0x800) {
6533-
bytes[index++] = (0xc0 | (code >> 6));
6536+
bytes[index++] = (0xc0 | (code >>> 6));
65346537
bytes[index++] = (0x80 | (code & 0x3f));
65356538
} else if (code < 0xd800 || code >= 0xe000) {
6536-
bytes[index++] = (0xe0 | (code >> 12));
6537-
bytes[index++] = (0x80 | ((code >> 6) & 0x3f));
6539+
bytes[index++] = (0xe0 | (code >>> 12));
6540+
bytes[index++] = (0x80 | ((code >>> 6) & 0x3f));
65386541
bytes[index++] = (0x80 | (code & 0x3f));
65396542
} else {
65406543
code = 0x10000 + (((code & 0x3ff) << 10) | (key.charCodeAt(++i) & 0x3ff));
6541-
bytes[index++] = (0xf0 | (code >> 18));
6542-
bytes[index++] = (0x80 | ((code >> 12) & 0x3f));
6543-
bytes[index++] = (0x80 | ((code >> 6) & 0x3f));
6544+
bytes[index++] = (0xf0 | (code >>> 18));
6545+
bytes[index++] = (0x80 | ((code >>> 12) & 0x3f));
6546+
bytes[index++] = (0x80 | ((code >>> 6) & 0x3f));
65446547
bytes[index++] = (0x80 | (code & 0x3f));
65456548
}
65466549
}
@@ -9656,6 +9659,8 @@ <h3>Decoding:</h3>
96569659
return a;
96579660
}
96589661

9662+
9663+
96599664
(function() {
96609665
var textFile = null,
96619666
makeTextFile = function(text) {
@@ -9701,6 +9706,32 @@ <h3>Decoding:</h3>
97019706

97029707
});
97039708

9709+
function copyOutputToClipboard() {
9710+
var targetBox = document.BWTC32Key.base32768textarea;
9711+
// https://stackoverflow.com/questions/51158061/copy-data-to-clipboard-without-selecting-any-text
9712+
// - restoring original selection doesn't seem to work
9713+
var origSelectionStart, origSelectionEnd;
9714+
origSelectionStart = targetBox.selectionStart;
9715+
origSelectionEnd = targetBox.selectionEnd;
9716+
// select the content
9717+
var currentFocus = document.activeElement;
9718+
targetBox.focus();
9719+
targetBox.setSelectionRange(0, targetBox.value.length);
9720+
var succeed;
9721+
try {
9722+
succeed = document.execCommand("copy");
9723+
} catch(e) {
9724+
succeed = false;
9725+
}
9726+
// restore original focus
9727+
if (currentFocus && typeof currentFocus.focus === "function") {
9728+
currentFocus.focus();
9729+
}
9730+
// restore prior selection
9731+
targetBox.setSelectionRange(origSelectionStart, origSelectionEnd);
9732+
};
9733+
9734+
97049735
//]]>
97059736

97069737

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