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POWhat's the equivalent of C#'s GetBytes() in Python?
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copied!<p>I have </p> <pre><code>byte[] request = UTF8Encoding.UTF8.GetBytes(requestParams); </code></pre> <p>in a C# AES encryption only class that I'm converting to Python. Can anyone tell me the Python 2.5 equivalent(I'm using this on google app engine?</p> <p>Example inputs:</p> <p><strong>request_params:</strong> &r=p&playerid=6263017 (or a combination of query strings)<br> <strong>dev_key:</strong> GK1FzK12iPYKE9Kt<br> <strong>dev_iv:</strong> E2I21NEwsC9RdSN2<br> <strong>dev_id:</strong> 12 </p> <p><strong>Python function:</strong></p> <pre><code>def Encrypt(self, request_params, dev_key, dev_iv, dev_id): data_bytes = request_params.encode("utf-8") block_size = 16 mode = AES.MODE_CBC assert len(dev_key) == block_size and len(dev_iv) == block_size pad_char = '0' pad_length = block_size - len(data_bytes) % block_size padded_data_bytes = data_bytes + pad_length * pad_char encrypted_bytes = dev_iv + AES.new(dev_key, mode, dev_iv).encrypt(padded_data_bytes) base64_encrypted_string = base64.urlsafe_b64encode(str(encrypted_bytes)) request_uri = "http://api.blackoutrugby.com/?d=" + dev_id + "&er=" + base64_encrypted_string #http://api.blackoutrugby.com/?d=19&er=RTJJNTFORXdzQzNSZFNObNerdsGhiNoeue6c3mzed4Ty1YE-gTlVJVXHz05uPT-8 # output from this Python code, it's incorrect #http://api.blackoutrugby.com/?d=19&er=16t2waGI2h657pzebN53hPr4kEjOzgsOEZiycDwPXR4= # correct output from C# code return request_uri </code></pre> <p><strong>C# Class:</strong></p> <pre><code>using System; using System.Security.Cryptography; using System.Text; using System.IO; using System.Net; using System.Xml; using Newtonsoft.Json; namespace BlackoutRugbyPOC.Controllers { public class BlackoutRugbyAPI { public static string Request(string requestParams, string devKey, string devIV, string devID) { // Create an unencrypted request as an array of bytes byte[] request = UTF8Encoding.UTF8.GetBytes(requestParams); byte[] key = UTF8Encoding.UTF8.GetBytes(devKey); byte[] iv = UTF8Encoding.UTF8.GetBytes(devIV); AesCryptoServiceProvider aes = new AesCryptoServiceProvider(); aes.Key = key; aes.IV = iv; aes.Mode = CipherMode.CBC; aes.Padding = PaddingMode.Zeros; // Get the transformer from the AES Encryptor ICryptoTransform cTransform = aes.CreateEncryptor(); // Use the transformer to encrypt our request byte[] result = cTransform.TransformFinalBlock(request, 0, request.Length); aes.Clear(); // Encode to base64 string encryptedRequest = Convert.ToBase64String(result, 0, result.Length); // Send request to API string requestUri = "http://api.blackoutrugby.com/?d=" + devID + "&er=" + encryptedRequest; string xmlResponse = getWebResponse(requestUri); return XmlToJson(xmlResponse); } private static string getWebResponse(string url) { string html = ""; WebRequest request = HttpWebRequest.Create(url); WebResponse response = request.GetResponse(); using (StreamReader reader = new StreamReader(response.GetResponseStream())) { html = reader.ReadToEnd(); } return html; } public static string XmlToJson(string xml) { if (string.IsNullOrEmpty(xml)) throw new ArgumentNullException("XML Input"); XmlDocument doc = new XmlDocument(); try { doc.LoadXml(xml); } catch { throw new ArgumentNullException("Input could not be loaded into XML Document"); } return JsonConvert.SerializeXmlNode(doc, Newtonsoft.Json.Formatting.Indented); } } } </code></pre> <p>Thanks,<br> Denis</p>

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