Given h = sha256(m ∥ k), where k is a secret and "∥" means concatenation (no padding is involved in calculating h). can you calculate sha256(x ∥ k) for a different message x without knowing k?

Amanda needs to create an informative print brochure for her local library’s fundraiser dinner. what critical detail must she have before she starts designing the brochure?

After you present a proposal, the committee starts asking you questions, some beyond the strict focus of your proposal. they ask questions about implications in other fields and knowledge about other fields. you are asked to redo your proposal. what is most likely missing? breadth of material depth of material clarity of material details of material

How do i delete my account on this because i didn't read this agreements and also i put age at xd