or use to view Java source code.
If you prefer not to install software, a work-in-progress web version called HCDrill exists specifically for .hc files. You can upload the file to a hosted instance of this tool to extract the underlying VPN settings. how to decrypt http custom file
# Extract version and base64 data version = lines[0].strip() b64_data = ''.join(lines[1:]).strip() encrypted_bytes = base64.b64decode(b64_data) or use to view Java source code
If the file uses a version-specific encryption key hardcoded in the app , you cannot decrypt without extracting that key from the APK. # Extract version and base64 data version = lines[0]
Whether you’re recovering a lost password, auditing a suspicious config, or learning how advanced HTTP injection works, the ability to decrypt .hc files is a useful skill in any network engineer’s or security researcher’s toolkit.
In the world of custom VPN configurations, the serves as the backbone for the HTTP Custom VPN