SHA-256 hash of null input?
The result of SHA-256 of an empty string is:
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
The result of SHA-256 of an empty string is:
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855