Because Facebook needs to generate secret keys for basic statistical analysis.
1. Please use the command keytool-exportcert-alias the signature alias-keystore "the Signed path" | OpenSSL sha1-binary | OpenSSL base64 generate secret key
For example:
Keytool-exportcert-alias note-keystore "E:/aaaaaaaaa/yuema_cocos/android_google_man/app/note_main.jks" | OpenSSL sha1-binary | OpenSSL base64
But when you use this command, you can't find the wrong OpenSSL tool.
Then I went to install the OpenSSL after the installation is too troublesome and fried, install OpenSSL portal https://bbs.csdn.net/topics/392193545?page=1
Then I gave up and found a simple version of the tool OpenSSL, resources in this portal https://download.csdn.net/download/ou775968876/10375573
The specific use is to extract to any English directory, and then configure the bin directory to environment variables, and then cmd command to the bin directory Input command on the OK