shorter but better readme
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README.md
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README.md
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@ -22,75 +22,77 @@ For web browsers, you can also directly download the [IIFE file](https://raw.git
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## Usage examples
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### Node.js:
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Import your module as :
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- Node.js
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```javascript
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const bigintCryptoUtils = require('bigint-crypto-utils')
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... // your code here
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```
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- Javascript native project
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```javascript
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import * as bigintCryptoUtils from 'bigint-crypto-utils'
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... // your code here
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```
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- Javascript native browser ES6 mod
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```html
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<script type="module">
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import * as bigintCryptoUtils from 'lib/index.browser.bundle.mod.js' // Use you actual path to the broser mod bundle
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... // your code here
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</script>
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import as bcu from 'bigint-crypto-utils'
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... // your code here
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```
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- Javascript native browser IIFE
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```html
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<script src="../../lib/index.browser.bundle.js"></script>
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<script>
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... // your code here
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</script>
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- TypeScript
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```typescript
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import * as bigintCryptoUtils from 'bigint-crypto-utils'
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... // your code here
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```
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> BigInt is [ES-2020](https://tc39.es/ecma262/#sec-bigint-objects). In order to use it with TypeScript you should set `lib` (and probably also `target` and `module`) to `esnext` in `tsconfig.json`.
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```javascript
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const bigintCryptoUtils = require("bigint-crypto-utils");
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/* Stage 3 BigInts with value 666 can be declared as BigInt('666')
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or the shorter new no-so-linter-friendly syntax 666n.
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Notice that you can also pass a number, e.g. BigInt(666), but it is not
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recommended since values over 2**53 - 1 won't be safe but no warning will
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be raised.
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*/
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let a = BigInt("5");
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let b = BigInt("2");
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let n = BigInt("19");
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const a = BigInt('5')
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const b = BigInt('2')
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const n = BigInt('19')
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console.log(bigintCryptoUtils.modPow(a, b, n)); // prints 6
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console.log(bigintCryptoUtils.modPow(a, b, n)) // prints 6
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console.log(bigintCryptoUtils.modInv(BigInt("2"), BigInt("5"))); // prints 3
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console.log(bigintCryptoUtils.modInv(BigInt('2'), BigInt('5'))) // prints 3
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console.log(bigintCryptoUtils.modInv(BigInt("3"), BigInt("5"))); // prints 2
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console.log(bigintCryptoUtils.modInv(BigInt('3'), BigInt('5'))) // prints 2
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// Generation of a probable prime of 2048 bits
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const prime = await bigintCryptoUtils.prime(2048);
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console.log(bigintCryptoUtils.randBetween(BigInt(2) ** BigInt(256))) // Prints a cryptographically secure random number between 1 and 2**256 bits.
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// Testing if a prime is a probable prime (Miller-Rabin)
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if (await bigintCryptoUtils.isProbablyPrime(prime))
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// code if is prime
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async function primeTesting () {
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// Output of a probable prime of 2048 bits
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console.log(await bigintCryptoUtils.prime(2048))
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// Testing if a number is a probable prime (Miller-Rabin)
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const number = 27
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const isPrime = await bigintCryptoUtils.isProbablyPrime(number)
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if (isPrime) {
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console.log(`${number} is prime`)
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} else {
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console.log(`${number} is composite`)
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}
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}
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primeTesting()
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// Get a cryptographically secure random number between 1 and 2**256 bits.
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const rnd = bigintCryptoUtils.randBetween(BigInt(2) ** BigInt(256));
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```
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### Javascript native from a browser
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You can just load the module in a html page as:
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```html
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<script type="module">
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import * as bigintCryptoUtils from "<path to the downloaded index.browser.bundle.mod.js>";
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let a = BigInt("5");
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let b = BigInt("2");
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let n = BigInt("19");
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console.log(bigintCryptoUtils.modPow(a, b, n)); // prints 6
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console.log(bigintCryptoUtils.modInv(BigInt("2"), BigInt("5"))); // prints 3
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console.log(bigintCryptoUtils.modInv(BigInt("3"), BigInt("5"))); // prints 2
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(async function() {
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// Generation of a probable prime of 2018 bits
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const p = await bigintCryptoUtils.prime(2048);
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// Testing if a prime is a probable prime (Miller-Rabin)
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const isPrime = await bigintCryptoUtils.isProbablyPrime(p);
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alert(p.toString() + "\nIs prime?\n" + isPrime);
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// Get a cryptographically secure random number between 1 and 2**256 bits.
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const rnd = bigintCryptoUtils.randBetween(BigInt(2) ** BigInt(256));
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alert(rnd);
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})();
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</script>
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```
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### TypeScript
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BigInt is [ES-2020](https://tc39.es/ecma262/#sec-bigint-objects). In order to use it with TypeScript you should set `lib` (and probably also `target` and `module`) to `esnext` in `tsconfig.json`.
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## bigint-crypto-utils JS Doc
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### Functions
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@ -22,75 +22,77 @@ For web browsers, you can also directly download the [IIFE file](https://raw.git
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## Usage examples
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### Node.js:
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Import your module as :
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- Node.js
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```javascript
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const bigintCryptoUtils = require('bigint-crypto-utils')
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... // your code here
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```
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- Javascript native project
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```javascript
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import * as bigintCryptoUtils from 'bigint-crypto-utils'
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... // your code here
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```
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- Javascript native browser ES6 mod
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```html
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<script type="module">
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import * as bigintCryptoUtils from 'lib/index.browser.bundle.mod.js' // Use you actual path to the broser mod bundle
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... // your code here
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</script>
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import as bcu from 'bigint-crypto-utils'
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... // your code here
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```
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- Javascript native browser IIFE
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```html
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<script src="../../lib/index.browser.bundle.js"></script>
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<script>
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... // your code here
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</script>
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- TypeScript
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```typescript
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import * as bigintCryptoUtils from 'bigint-crypto-utils'
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... // your code here
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```
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> BigInt is [ES-2020](https://tc39.es/ecma262/#sec-bigint-objects). In order to use it with TypeScript you should set `lib` (and probably also `target` and `module`) to `esnext` in `tsconfig.json`.
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```javascript
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const bigintCryptoUtils = require("bigint-crypto-utils");
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/* Stage 3 BigInts with value 666 can be declared as BigInt('666')
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or the shorter new no-so-linter-friendly syntax 666n.
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Notice that you can also pass a number, e.g. BigInt(666), but it is not
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recommended since values over 2**53 - 1 won't be safe but no warning will
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be raised.
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*/
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let a = BigInt("5");
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let b = BigInt("2");
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let n = BigInt("19");
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const a = BigInt('5')
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const b = BigInt('2')
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const n = BigInt('19')
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console.log(bigintCryptoUtils.modPow(a, b, n)); // prints 6
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console.log(bigintCryptoUtils.modPow(a, b, n)) // prints 6
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console.log(bigintCryptoUtils.modInv(BigInt("2"), BigInt("5"))); // prints 3
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console.log(bigintCryptoUtils.modInv(BigInt('2'), BigInt('5'))) // prints 3
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console.log(bigintCryptoUtils.modInv(BigInt("3"), BigInt("5"))); // prints 2
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console.log(bigintCryptoUtils.modInv(BigInt('3'), BigInt('5'))) // prints 2
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// Generation of a probable prime of 2048 bits
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const prime = await bigintCryptoUtils.prime(2048);
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console.log(bigintCryptoUtils.randBetween(BigInt(2) ** BigInt(256))) // Prints a cryptographically secure random number between 1 and 2**256 bits.
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// Testing if a prime is a probable prime (Miller-Rabin)
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if (await bigintCryptoUtils.isProbablyPrime(prime))
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// code if is prime
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async function primeTesting () {
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// Output of a probable prime of 2048 bits
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console.log(await bigintCryptoUtils.prime(2048))
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// Testing if a number is a probable prime (Miller-Rabin)
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const number = 27
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const isPrime = await bigintCryptoUtils.isProbablyPrime(number)
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if (isPrime) {
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console.log(`${number} is prime`)
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} else {
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console.log(`${number} is composite`)
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}
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}
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primeTesting()
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// Get a cryptographically secure random number between 1 and 2**256 bits.
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const rnd = bigintCryptoUtils.randBetween(BigInt(2) ** BigInt(256));
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```
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### Javascript native from a browser
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You can just load the module in a html page as:
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```html
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<script type="module">
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import * as bigintCryptoUtils from "<path to the downloaded index.browser.bundle.mod.js>";
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let a = BigInt("5");
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let b = BigInt("2");
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let n = BigInt("19");
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console.log(bigintCryptoUtils.modPow(a, b, n)); // prints 6
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console.log(bigintCryptoUtils.modInv(BigInt("2"), BigInt("5"))); // prints 3
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console.log(bigintCryptoUtils.modInv(BigInt("3"), BigInt("5"))); // prints 2
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(async function() {
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// Generation of a probable prime of 2018 bits
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const p = await bigintCryptoUtils.prime(2048);
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// Testing if a prime is a probable prime (Miller-Rabin)
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const isPrime = await bigintCryptoUtils.isProbablyPrime(p);
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alert(p.toString() + "\nIs prime?\n" + isPrime);
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// Get a cryptographically secure random number between 1 and 2**256 bits.
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const rnd = bigintCryptoUtils.randBetween(BigInt(2) ** BigInt(256));
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alert(rnd);
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})();
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</script>
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```
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### TypeScript
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BigInt is [ES-2020](https://tc39.es/ecma262/#sec-bigint-objects). In order to use it with TypeScript you should set `lib` (and probably also `target` and `module`) to `esnext` in `tsconfig.json`.
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## bigint-crypto-utils JS Doc
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{{>main}}
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