When software compiled with Cygwin needs to compute a SHA-256 hash, generate an RSA key, or verify an X.509 certificate, it calls functions inside cygcrypto-1.1.dll .
Check your antivirus software’s quarantine log. If cygcrypto-1.1.dll was removed, restore it and add an exception for the Cygwin folder to prevent future deletion. cygcrypto-1.1.dll
The file is a shared library associated with the Cygwin environment, specifically providing the cryptographic components of the OpenSSL 1.1 toolkit for Windows. It allows Unix/Linux programs ported to Windows via Cygwin (like curl , iperf3 , or ipmitool ) to perform secure encryption tasks. Common Issues & Troubleshooting When software compiled with Cygwin needs to compute
: Handles X.509 certificate parsing and validation, essential for HTTPS and SSL/TLS connections. Common Applications You will typically encounter this file when using: Wii U VC Injection Tools : Often used in homebrew tools like for processing and encrypting game files. Network Utilities The file is a shared library associated with