About Http Digest Authentication with qop=auth-int

[lengyuecau]

in RFC 2617 (page 14) is reported:

If the "qop" value is "auth-int", then A2 is:
A2 = Method ":" digest-uri-value ":" H(entity-body)

if the http message does not have an entity-body, what is the value of H(entity-body)?