Why do i need prefix openssl with winpty on windows bash?
Why does command
openssl genrsa -des3 -out ca.key 4096
hangs and doesn't respond
winpty openssl genrsa -des3 -out ca.key 4096
is working fine?
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bash from Git for Windows uses
mintty cannot present itself as console to
winpty can because it does the required conversions. Learn the details at Git for Windows FAQ.
winpty is a Windows software package providing an interface similar to a Unix pty-master for communicating with Windows console programs. The package consists of a library (libwinpty) and a tool for Cygwin and MSYS for running Windows console programs in a Cygwin/MSYS pty
Because you try to run native openssl in not-native shell, you have to have interface of