Keytool generates 32 character long key hash instead of 28
The generated hash is 32 characters because there is a carriage return and a newline added to the end. To fix this you can either:
Delete the last 5 characters of the hash, and add an "=" to the end. For example: "1234567890abcdefghijklmnopqrstuv" (32 chars) --> "1234567890abcdefghijklmnopq=" (28 chars)
Or:
pop open a javascript console, and use:
btoa(atob("your hash string").slice(0, -2))Where "your hash string" is your 32 character hash.