← Share your feedback on Acrobat DC Settings and activity 2 results found Invalid signature via Windows CSP when EUTL is loaded: Acrobat signs SHA-256 of empty data 6 votes Vote Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Vote We’ll send you updates on this idea 0 comments · Acrobat for Windows and Mac » Security & Digital signatures · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! Your importance score has been recorded. We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Submit Rating Dominika Hoszowska shared this idea · Oct 19, 2026 Problem with PKCS#7 signatures when using a Windows Digital ID (CSP) 4 votes Vote Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Vote We’ll send you updates on this idea 0 comments · Acrobat for Windows and Mac » Security & Digital signatures · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! Your importance score has been recorded. We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Submit Rating Dominika Hoszowska shared this idea · May 27, 2026