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Oct
3
awarded  Scholar
Oct
3
accepted Why must curve25519 shared secret be hashed?
Oct
1
awarded  Student
Oct
1
comment Why must curve25519 shared secret be hashed?
The shared secret obviously won't be communicated to other parties. It is typically used as the key for a symmetric cipher. Why is spreading out entropy over the bits of a key important? Or it this only relevant if the key is truncated to shorter lengths (thus potentially using only the bits that have less entropy)?
Sep
30
asked Why must curve25519 shared secret be hashed?