module SubstitutionCiphers using Compat const key = "]kYV}(!7P\$n5_0i R:?jOWtF/=-pe'AD&@r6%ZXs\"v*N[#wSl9zq2^+g;LoB`aGh{3.HIu4fbK)mU8|dMET><,Qc\\C1yxJ" function encode(s::AbstractString) buf = IOBuffer() for c in s print(buf, key[Int(c) - 31]) end return String(take!(buf)) end function decode(s::AbstractString) buf = IOBuffer() for c in s print(buf, Char(findfirst(==(c), key) + 31)) end return String(take!(buf)) end end # module SubstitutionCiphers