on x86: $ cygcheck -f /usr/bin/cygcrypt-0.dll crypt-1.2-1 $ cygcheck -l crypt /usr/bin/cygcrypt-0.dll /usr/bin/crypt.exe /usr/lib/libcrypt.a /usr/lib/libcrypt.dll.a /usr/include/crypt.h /usr/share/doc/Cygwin/crypt.README on x64 crypt 1.1-1 libcrypt-devel 1.1-1 libcrypt0 1.1-1