Openssl is not recognized as an internal or external command

Question

I wish to generate an application signature for my app which will later be integrated with Facebook. In one of Facebook\'s tutorials, I found this command:

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Answer 1

go to bin folder path in cmd and then run following command

keytool -exportcert -alias androiddebugkey -keystore %HOMEPATH%\.android\debug.keystore | openssl sha1 -binary | openssl base64

you will get your key hash