How to hash a string according to GOST 34.311 so that it is a base64 string?

Question

JavaScript

It is necessary to hash requestId (uuid v4) according to GOST 34.311, so that it is a base64 string with a length of 44
characters (32 bytes after decoding) .

Answer 1

Why are libraries needed?

let data = '12345678901234567890123456789012';
let base64data = Buffer.from(data).toString('base64');

console.log(base64data); // MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=