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October 16, 2020 20:26
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JS Bin // source https://jsbin.com/degukol
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
<script id="jsbin-javascript"> | |
/** | |
* | |
* Base64 encode / decode | |
* http://www.webtoolkit.info/ | |
* | |
**/ | |
var Base64 = { | |
// private property | |
_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", | |
// public method for encoding | |
encode : function (input) { | |
var output = ""; | |
var chr1, chr2, chr3, enc1, enc2, enc3, enc4; | |
var i = 0; | |
input = Base64._utf8_encode(input); | |
while (i < input.length) { | |
chr1 = input.charCodeAt(i++); | |
chr2 = input.charCodeAt(i++); | |
chr3 = input.charCodeAt(i++); | |
enc1 = chr1 >> 2; | |
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); | |
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); | |
enc4 = chr3 & 63; | |
if (isNaN(chr2)) { | |
enc3 = enc4 = 64; | |
} else if (isNaN(chr3)) { | |
enc4 = 64; | |
} | |
output = output + | |
this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + | |
this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4); | |
} | |
return output; | |
}, | |
// public method for decoding | |
decode : function (input) { | |
var output = ""; | |
var chr1, chr2, chr3; | |
var enc1, enc2, enc3, enc4; | |
var i = 0; | |
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); | |
while (i < input.length) { | |
enc1 = this._keyStr.indexOf(input.charAt(i++)); | |
enc2 = this._keyStr.indexOf(input.charAt(i++)); | |
enc3 = this._keyStr.indexOf(input.charAt(i++)); | |
enc4 = this._keyStr.indexOf(input.charAt(i++)); | |
chr1 = (enc1 << 2) | (enc2 >> 4); | |
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); | |
chr3 = ((enc3 & 3) << 6) | enc4; | |
output = output + String.fromCharCode(chr1); | |
if (enc3 != 64) { | |
output = output + String.fromCharCode(chr2); | |
} | |
if (enc4 != 64) { | |
output = output + String.fromCharCode(chr3); | |
} | |
} | |
output = Base64._utf8_decode(output); | |
return output; | |
}, | |
// private method for UTF-8 encoding | |
_utf8_encode : function (string) { | |
string = string.replace(/\r\n/g,"\n"); | |
var utftext = ""; | |
for (var n = 0; n < string.length; n++) { | |
var c = string.charCodeAt(n); | |
if (c < 128) { | |
utftext += String.fromCharCode(c); | |
} | |
else if((c > 127) && (c < 2048)) { | |
utftext += String.fromCharCode((c >> 6) | 192); | |
utftext += String.fromCharCode((c & 63) | 128); | |
} | |
else { | |
utftext += String.fromCharCode((c >> 12) | 224); | |
utftext += String.fromCharCode(((c >> 6) & 63) | 128); | |
utftext += String.fromCharCode((c & 63) | 128); | |
} | |
} | |
return utftext; | |
}, | |
// private method for UTF-8 decoding | |
_utf8_decode : function (utftext) { | |
var string = ""; | |
var i = 0; | |
var c = c1 = c2 = 0; | |
while ( i < utftext.length ) { | |
c = utftext.charCodeAt(i); | |
if (c < 128) { | |
string += String.fromCharCode(c); | |
i++; | |
} | |
else if((c > 191) && (c < 224)) { | |
c2 = utftext.charCodeAt(i+1); | |
string += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); | |
i += 2; | |
} | |
else { | |
c2 = utftext.charCodeAt(i+1); | |
c3 = utftext.charCodeAt(i+2); | |
string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); | |
i += 3; | |
} | |
} | |
return string; | |
} | |
} | |
const pubkey = "0xd8b8c64f4e9de41e6604e6ac30274eff5b80f831f8534f0ad85ec0aff466bb25" | |
const base64 = Base64.encode(pubkey); | |
let matches = base64.match(/[a-zA-Z]+/g) | |
let result = matches.join(""). toUpperCase() | |
var uniqueresult = result.split('').filter(function(item, i, ar){ return ar.indexOf(item) === i; }).join('').substring(0,5); | |
console.log(uniqueresult) | |
</script> | |
<script id="jsbin-source-html" type="text/html"><!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
</body> | |
<script src="//jashkenas.github.io/underscore/underscore-min.js"><\/script> | |
</html></script> | |
<script id="jsbin-source-javascript" type="text/javascript">/** | |
* | |
* Base64 encode / decode | |
* http://www.webtoolkit.info/ | |
* | |
**/ | |
var Base64 = { | |
// private property | |
_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", | |
// public method for encoding | |
encode : function (input) { | |
var output = ""; | |
var chr1, chr2, chr3, enc1, enc2, enc3, enc4; | |
var i = 0; | |
input = Base64._utf8_encode(input); | |
while (i < input.length) { | |
chr1 = input.charCodeAt(i++); | |
chr2 = input.charCodeAt(i++); | |
chr3 = input.charCodeAt(i++); | |
enc1 = chr1 >> 2; | |
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); | |
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); | |
enc4 = chr3 & 63; | |
if (isNaN(chr2)) { | |
enc3 = enc4 = 64; | |
} else if (isNaN(chr3)) { | |
enc4 = 64; | |
} | |
output = output + | |
this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + | |
this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4); | |
} | |
return output; | |
}, | |
// public method for decoding | |
decode : function (input) { | |
var output = ""; | |
var chr1, chr2, chr3; | |
var enc1, enc2, enc3, enc4; | |
var i = 0; | |
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); | |
while (i < input.length) { | |
enc1 = this._keyStr.indexOf(input.charAt(i++)); | |
enc2 = this._keyStr.indexOf(input.charAt(i++)); | |
enc3 = this._keyStr.indexOf(input.charAt(i++)); | |
enc4 = this._keyStr.indexOf(input.charAt(i++)); | |
chr1 = (enc1 << 2) | (enc2 >> 4); | |
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); | |
chr3 = ((enc3 & 3) << 6) | enc4; | |
output = output + String.fromCharCode(chr1); | |
if (enc3 != 64) { | |
output = output + String.fromCharCode(chr2); | |
} | |
if (enc4 != 64) { | |
output = output + String.fromCharCode(chr3); | |
} | |
} | |
output = Base64._utf8_decode(output); | |
return output; | |
}, | |
// private method for UTF-8 encoding | |
_utf8_encode : function (string) { | |
string = string.replace(/\r\n/g,"\n"); | |
var utftext = ""; | |
for (var n = 0; n < string.length; n++) { | |
var c = string.charCodeAt(n); | |
if (c < 128) { | |
utftext += String.fromCharCode(c); | |
} | |
else if((c > 127) && (c < 2048)) { | |
utftext += String.fromCharCode((c >> 6) | 192); | |
utftext += String.fromCharCode((c & 63) | 128); | |
} | |
else { | |
utftext += String.fromCharCode((c >> 12) | 224); | |
utftext += String.fromCharCode(((c >> 6) & 63) | 128); | |
utftext += String.fromCharCode((c & 63) | 128); | |
} | |
} | |
return utftext; | |
}, | |
// private method for UTF-8 decoding | |
_utf8_decode : function (utftext) { | |
var string = ""; | |
var i = 0; | |
var c = c1 = c2 = 0; | |
while ( i < utftext.length ) { | |
c = utftext.charCodeAt(i); | |
if (c < 128) { | |
string += String.fromCharCode(c); | |
i++; | |
} | |
else if((c > 191) && (c < 224)) { | |
c2 = utftext.charCodeAt(i+1); | |
string += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); | |
i += 2; | |
} | |
else { | |
c2 = utftext.charCodeAt(i+1); | |
c3 = utftext.charCodeAt(i+2); | |
string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); | |
i += 3; | |
} | |
} | |
return string; | |
} | |
} | |
const pubkey = "0xd8b8c64f4e9de41e6604e6ac30274eff5b80f831f8534f0ad85ec0aff466bb25" | |
const base64 = Base64.encode(pubkey); | |
let matches = base64.match(/[a-zA-Z]+/g) | |
let result = matches.join(""). toUpperCase() | |
var uniqueresult = result.split('').filter(function(item, i, ar){ return ar.indexOf(item) === i; }).join('').substring(0,5); | |
console.log(uniqueresult)</script></body> | |
<script src="http://jashkenas.github.io/underscore/underscore-min.js"></script> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/** | |
* | |
* Base64 encode / decode | |
* http://www.webtoolkit.info/ | |
* | |
**/ | |
var Base64 = { | |
// private property | |
_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", | |
// public method for encoding | |
encode : function (input) { | |
var output = ""; | |
var chr1, chr2, chr3, enc1, enc2, enc3, enc4; | |
var i = 0; | |
input = Base64._utf8_encode(input); | |
while (i < input.length) { | |
chr1 = input.charCodeAt(i++); | |
chr2 = input.charCodeAt(i++); | |
chr3 = input.charCodeAt(i++); | |
enc1 = chr1 >> 2; | |
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); | |
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); | |
enc4 = chr3 & 63; | |
if (isNaN(chr2)) { | |
enc3 = enc4 = 64; | |
} else if (isNaN(chr3)) { | |
enc4 = 64; | |
} | |
output = output + | |
this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + | |
this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4); | |
} | |
return output; | |
}, | |
// public method for decoding | |
decode : function (input) { | |
var output = ""; | |
var chr1, chr2, chr3; | |
var enc1, enc2, enc3, enc4; | |
var i = 0; | |
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); | |
while (i < input.length) { | |
enc1 = this._keyStr.indexOf(input.charAt(i++)); | |
enc2 = this._keyStr.indexOf(input.charAt(i++)); | |
enc3 = this._keyStr.indexOf(input.charAt(i++)); | |
enc4 = this._keyStr.indexOf(input.charAt(i++)); | |
chr1 = (enc1 << 2) | (enc2 >> 4); | |
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); | |
chr3 = ((enc3 & 3) << 6) | enc4; | |
output = output + String.fromCharCode(chr1); | |
if (enc3 != 64) { | |
output = output + String.fromCharCode(chr2); | |
} | |
if (enc4 != 64) { | |
output = output + String.fromCharCode(chr3); | |
} | |
} | |
output = Base64._utf8_decode(output); | |
return output; | |
}, | |
// private method for UTF-8 encoding | |
_utf8_encode : function (string) { | |
string = string.replace(/\r\n/g,"\n"); | |
var utftext = ""; | |
for (var n = 0; n < string.length; n++) { | |
var c = string.charCodeAt(n); | |
if (c < 128) { | |
utftext += String.fromCharCode(c); | |
} | |
else if((c > 127) && (c < 2048)) { | |
utftext += String.fromCharCode((c >> 6) | 192); | |
utftext += String.fromCharCode((c & 63) | 128); | |
} | |
else { | |
utftext += String.fromCharCode((c >> 12) | 224); | |
utftext += String.fromCharCode(((c >> 6) & 63) | 128); | |
utftext += String.fromCharCode((c & 63) | 128); | |
} | |
} | |
return utftext; | |
}, | |
// private method for UTF-8 decoding | |
_utf8_decode : function (utftext) { | |
var string = ""; | |
var i = 0; | |
var c = c1 = c2 = 0; | |
while ( i < utftext.length ) { | |
c = utftext.charCodeAt(i); | |
if (c < 128) { | |
string += String.fromCharCode(c); | |
i++; | |
} | |
else if((c > 191) && (c < 224)) { | |
c2 = utftext.charCodeAt(i+1); | |
string += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); | |
i += 2; | |
} | |
else { | |
c2 = utftext.charCodeAt(i+1); | |
c3 = utftext.charCodeAt(i+2); | |
string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); | |
i += 3; | |
} | |
} | |
return string; | |
} | |
} | |
const pubkey = "0xd8b8c64f4e9de41e6604e6ac30274eff5b80f831f8534f0ad85ec0aff466bb25" | |
const base64 = Base64.encode(pubkey); | |
let matches = base64.match(/[a-zA-Z]+/g) | |
let result = matches.join(""). toUpperCase() | |
var uniqueresult = result.split('').filter(function(item, i, ar){ return ar.indexOf(item) === i; }).join('').substring(0,5); | |
console.log(uniqueresult) |
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