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seen Jan 16 at 18:30

Jul
25
accepted Digital Signature size requirement
Jul
24
comment What is wrong with using SHA1 in digital signatures? Why is a robust hash function needed?
Does using a hash function of H(x) = x pose a security risk if 256 <= "size of x" <= 512 bits? (do I need to randomly pad small message up to a minimal size?) Or should this be a new question?
Jul
24
awarded  Student
Jul
23
asked Digital Signature size requirement
Jul
23
awarded  Supporter