Under the hypothesis that , if then , so that the decription law will be...
(1)
Kind regards
If Z(w) is equivalent to 21w+12 and this is an encryptor, then how would I find the decryptor?
I know the decryption law is w=A^(-1) * (Z-B) (mod N) where A^(-1) is the multiplicative inverse.
The encryption law is E(w) is equivalent to Aw + B (mod N)