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Apr
28
answered Pseudocode for constant time modular exponentiation
Apr
23
comment Do Chosen-Chiphertext attacks only apply to public-key cryptosystems?
Thanks, i'm sorry to ask the childish question!
Apr
23
comment Key construction in the Full Cramer-Shoup cryptosystem
It is less efficient to compute the exponents, is it practical in our life? Does this scheme exists some improvement yet?@Ricky Demer
Apr
22
comment Key construction in the Full Cramer-Shoup cryptosystem
There are six serect keys ($ x_1,x_2,y_1,y_2,z_1,z_2 $)in this scheme, is it possible if we only use fewer keys ,such as ($ x_1,x_2,y_1,y_2 $), to modify the scheme, but it also aganst CCA-2.
Apr
22
asked Key construction in the Full Cramer-Shoup cryptosystem
Apr
20
awarded  Student
Apr
17
asked Do Chosen-Chiphertext attacks only apply to public-key cryptosystems?