Generating facebook keyhash for Corona SDK apps

1. Create an application in Facebook

2. Settings > Add Platform > Android

3. Class Name = com.ansca.corona.CoronaActivity

Generate Keystore

1. Open Terminal(Mac)/ Command Prompt (Windows).

2. CD to the location of keytool.

(Windows : Find out the location of keytool.exe. If you can’t find in Java installation directory, you may download it.)

3. This command will generate a Keystore file.

keytool -genkey -v -keystore [The location where you want to save the keystore file/filename.keystore] -alias [Give a Name according to choice] -keyalg RSA -keysize 2048 -validity 10000

A sample command is as follows

keytool -genkey -v -keystore /WorkSpace/shobdokolpodroom.keystore -alias Shobdokolpodroom -keyalg RSA -keysize 2048 -validity 10000

Upon execution, it will ask for a password(Enter a password and remember it. You will need it later). It will also ask for some informations. Provide those.

 

If you do all those stuffs correctly, you will find a new file in the directory you provided in command.

Stay in Terminal/Command Prompt

Generate Keyhash

1. The command to generate Keyhash is as follows

keytool -exportcert -alias [Alias name you gave in command to create keystore]-keystore [location of generated keystore] | openssl sha1 -binary | openssl base64

A sample command is

keytool -exportcert -alias Shobdokolpodroom -keystore /WorkSpace/shobdokolpodroom.keystore | openssl sha1 -binary | openssl base64

Upon execution, it will ask the password of the Keystore (The one you entered while creating the keystore)

After providing correct password, it will return a String like it “darobDJIMMcUoraBOztnmxDtghM=”. It should contain a ‘=’ sign at the end.

This string is your desired keyhash. Put it in facebook app.

 

 

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