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## Utilities
### sodium_bin2hex
Encode data into a hexadecimal string.
**Parameters and their respective types**:
1. `{string|Buffer}` non-hex-encoded input
Returns a `Promise` that resolves to a `string`.
```javascript
const { SodiumPlus } = require('sodium-plus');
let sodium;
(async function () {
if (!sodium) sodium = await SodiumPlus.auto();
let buf = await sodium.randombytes_buf(32);
console.log(await sodium.sodium_bin2hex(buf));
})();
```
### sodium_hex2bin
Decode data from a hexadecimal string to a `Buffer`.
**Parameters and their respective types**:
1. `{string|Buffer}` hex-encoded input
Returns a `Promise` that resolves to a `Buffer`.
```javascript
const { SodiumPlus } = require('sodium-plus');
let sodium;
(async function () {
if (!sodium) sodium = await SodiumPlus.auto();
let hex = '491d40c4924ba547d6f0bda9da77a539391decdc';
console.log(await sodium.sodium_hex2bin(hex));
})();
```
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