keys.md

Facebook Sign In hash

Release hash

C:\Users\Mahesh Jamdade>keytool -exportcert -alias <aliasName> -keystore <PATH> | openssl sha1 -binary | openssl base64
XOQ*****************vReGc=

source: https://stackoverflow.com/a/18101444/8253662

e.g on Windows cmd

C:\Users\Mahesh Jamdade>keytool -exportcert -alias androiddebugkey -keystore "C:\Users\Mahesh Jamdade\.android\debug.keystore" | "C:\Users\Mahesh Jamdade\Documents\openssl-0.9.8k_WIN32\bin\openssl" sha1 -binary | "C:\Users\Mahesh Jamdade\Documents\openssl-0.9.8k_WIN32\bin\openssl" base64
Enter keystore password:  androiddebug
ga0RGNYH*****************J8=
CFWViHtTsA*************kTnY=