60 lines
1.1 KiB
JavaScript
60 lines
1.1 KiB
JavaScript
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const crypto = window.crypto || window.msCrypto;
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new ClipboardJS('#clipboard-button');
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function getRandomNumber(ceiling) {
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return Math.floor(crypto.getRandomValues(new Uint32Array(1))[0] / (0xffffffff + 1) * ceiling);
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}
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function getEntropy(length, numPossibleSymbols) {
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if (!length || !numPossibleSymbols) {
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return null;
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}
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return Math.round(Math.log2(Math.pow(numPossibleSymbols, length)) * 100) / 100;
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}
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const app = Vue.createApp({
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data() {
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return {
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numWords: 5,
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delimiter: ' ',
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passphrase: '',
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};
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},
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mounted: function () {
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this.generatePassphrase();
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},
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methods: {
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generatePassphrase: function () {
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let selectedWords = [];
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for (let i = 0; i < this.numWords; i++) {
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selectedWords.push(words[getRandomNumber(words.length)]);
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}
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this.passphrase = selectedWords.join(this.delimiter);
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},
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},
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watch: {
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numWords: function () {
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this.generatePassphrase();
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},
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delimiter: function () {
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this.generatePassphrase();
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},
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},
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computed: {
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entropy: function () {
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return getEntropy(this.numWords, words.length);
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},
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},
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});
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app.mount('#app');
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