To Decrypt Http Custom File Link | How

This approach is particularly useful for extracting hardcoded keys like desKey and desIV that may be stored within the application's code.

from Crypto.Cipher import AES import base64 def decrypt_hc_file(encrypted_data, secret_key, iv_vector): # Ensure key and IV are in bytes key = secret_key.encode('utf-8') iv = iv_vector.encode('utf-8') # Decode the base64 encrypted data raw_encrypted = base64.b64decode(encrypted_data) # Initialize AES Cipher in CBC Mode (or the mode discovered in JADX) cipher = AES.new(key, AES.MODE_CBC, iv) # Decrypt and strip PKCS7 padding decrypted_bytes = cipher.decrypt(raw_encrypted) padding_len = decrypted_bytes[-1] clean_text = decrypted_bytes[:-padding_len] return clean_text.decode('utf-8', errors='ignore') # Example usage (Replace with actual discovered values) KEY = "FOUND_SECRET_KEY" IV = "FOUND_IV_VECTOR" ENCRYPTED_CONTENT = "ENCRYPTED_STRING_FROM_FILE" print(decrypt_hc_file(ENCRYPTED_CONTENT, KEY, IV)) Use code with caution. Method 4: Intercepting Live Traffic via Logcat how to decrypt http custom file link