Metatrader 5 Libraries Fresh: RSA Library for asymmetric encryption in MQL5 MQL5 Code

#asymmetricnews #encryptionnews #librarynews #metatrader #5 #libraries

➤ Metatrader 5 Libraries | Fresh: RSA Library for asymmetric encryption in MQL5 | MQL5 Code is a MetaTrader Trading Tool that can be found at https://mql.robotfx.org/2026/01/metat...

✨ Discover expert developed MetaTrader tools that can complement professional solutions. string json = "{\"cmd\":\"login\"," "\"account\":" + IntegerToString ( AccountInfoInteger ( ACCOUNT_LOGIN )) + "," "\"ts\":" + IntegerToString (( int ) TimeCurrent ()) + "," "}" ; uchar plain[]; StringToCharArray (json, plain, 0 , StringLen (json)); Step 4 — EA encrypts the AES session key with RSA: The AES key used for the rest of the session: uchar aesKey[];
GenerateAESKey(aesKey); // 16 random bytes (AES-128) uchar encryptedAes[];
rsa.EncryptPKCS1v15(aesKey, encryptedAes); string encryptedAesBase64 = rsa.Base64Encode(encryptedAes); Step 5 — EA encrypts the actual data with AES: uchar encryptedPayload[]; CryptEncode ( CRYPT_AES128 , plain, aesKey, encryptedPayload); string payloadBase64 = CryptBase64Encode(encryptedPayload); Step 6 —EA sends everything to the server: string body = "{\"key\":\"" + encryptedAesBase64 + "\"," + "\"data\":\"" + payloadBase64 + "\"}" ; string result; char headers[]; int status = WebRequest ( "POST" , url, headers, 5000 , body, result); Step 7 — Server-side decryption (conceptual): On the server, first perform base64-decode for the RSA-encrypted AES key, then decrypt AES key using the private RSA key. Once the AES key is recovered, it can be used to decrypt the data payload. Since the AES key is randomly generated for each session, each message remains unique and secure, even if an attacker intercepts the traffic.

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