Hızlı yanıt: kod örneği
stackoverflow.com how-can-i-find-and-run-the-keytool
I found a solution by myself as below quote. It works fine.
"C:\Program Files\Java\jdk1.6.0_26\bin\keytool.exe" -exportcert -alias> sociallisting -keystore "D:\keystore\SocialListing" |> "C:\cygwin\bin\openssl.exe" sha1 -binary | "C:\cygwin\bin\openssl.exe"> base64