PuTTY keys are of different formats and will have to be converted to each other's format if you want to use the same key between the 2 programs.
OpenSSH private key can be converted to
PuTTY Private Key) format using
PuTTY Key Generator(
puttygen.exe) from the official website and launch the program.
Files of typeto
All Files (*.*), select your
SSH's private key file and click on the
Save private key.
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