Autenticación

const crypto = require('crypto');

function buildAuthHeaders(publicKey, secretKey, path, method, body = '') {
  const timestamp = Math.floor(Date.now() / 1000).toString();
  const data = method !== 'GET' ? JSON.stringify(body) : '';
  const toSign = path + timestamp + method + data;
  const signature = crypto
    .createHmac('sha256', secretKey)
    .update(toSign)
    .digest('hex');

  return {
    'X-Digest-Key': publicKey,
    'X-Digest-Timestamp': timestamp,
    'X-Digest-Signature': signature,
    'Content-Type': 'application/json',
  };
}

import hmac
import hashlib
import time
import json

def build_auth_headers(public_key, secret_key, path, method, body=None):
    timestamp = str(int(time.time()))
    data = json.dumps(body) if body and method != 'GET' else ''
    to_sign = path + timestamp + method + data
    signature = hmac.new(
        secret_key.encode(),
        to_sign.encode(),
        hashlib.sha256
    ).hexdigest()

    return {
        'X-Digest-Key': public_key,
        'X-Digest-Timestamp': timestamp,
        'X-Digest-Signature': signature,
        'Content-Type': 'application/json',
    }

function buildAuthHeaders($publicKey, $secretKey, $path, $method, $body = '') {
    $timestamp = (string) time();
    $data = $method !== 'GET' ? json_encode($body) : '';
    $toSign = $path . $timestamp . $method . $data;
    $signature = hash_hmac('sha256', $toSign, $secretKey);

    return [
        'X-Digest-Key' => $publicKey,
        'X-Digest-Timestamp' => $timestamp,
        'X-Digest-Signature' => $signature,
        'Content-Type' => 'application/json',
    ];
}