Module4 - has been started
Signed-off-by: Marcin Woźniak <y0rune@aol.com>
This commit is contained in:
parent
6b39a7a071
commit
5f821e510f
68
module.rb
68
module.rb
@ -564,3 +564,71 @@ def algorytmDeSzyfrowania(x,y,u)
|
||||
m = (x - 1) / u
|
||||
return m
|
||||
end
|
||||
|
||||
# Module 4
|
||||
#################################################################################
|
||||
# Zadanie 1
|
||||
# Funkcja suma(a,b) wykorzystujac liczby hex
|
||||
#################################################################################
|
||||
def suma(a,b)
|
||||
binA = a.to_i(16).to_s(2)
|
||||
binB = b.to_i(16).to_s(2)
|
||||
|
||||
if (a =~ /[^01]/).nil? && (b =~ /[^01]/).nil?
|
||||
return (a.to_i(2) ^ b.to_i(2)).to_s(2)
|
||||
else
|
||||
return (binA.to_i(2) ^ binB.to_i(2)).to_s(16)
|
||||
end
|
||||
end
|
||||
|
||||
#################################################################################
|
||||
# Zadanie 2
|
||||
# Funkcja xtime(a) wykorzystujac liczby hex
|
||||
#################################################################################
|
||||
def xtime(a)
|
||||
binA = a.to_i(16).to_s(2)
|
||||
dl = binA.length
|
||||
while dl != 8
|
||||
binA = "0" + binA
|
||||
dl = dl + 1
|
||||
end
|
||||
if binA[0].to_i == 1
|
||||
binA[0] = ''
|
||||
binA = binA + "0"
|
||||
return (binA.to_i(2) ^ "1B".to_i(16).to_s(2).to_i(2)).to_s(16)
|
||||
elsif binA[0].to_i == 0
|
||||
binA[0] = ''
|
||||
return (binA.to_i(2) << 1 ).to_s(16)
|
||||
end
|
||||
end
|
||||
|
||||
#################################################################################
|
||||
# Zadanie 3
|
||||
# Funkcja iloczyn(a,b) wykorzystujac liczby hex
|
||||
#################################################################################
|
||||
def iloczyn(a,b)
|
||||
solve = ""
|
||||
|
||||
binA = a.to_i(16).to_s(2)
|
||||
dl = binA.length
|
||||
while dl != 8
|
||||
binA = "0" + binA
|
||||
dl = dl + 1
|
||||
end
|
||||
|
||||
len = binA.length - 1
|
||||
binA.split('').each { |a|
|
||||
counter = len - 2
|
||||
tmp = xtime(b)
|
||||
puts counter
|
||||
while counter != 0
|
||||
tmp = xtime(tmp)
|
||||
counter = counter - 1
|
||||
end
|
||||
puts tmp
|
||||
#puts solve
|
||||
solve = suma((a.to_i * tmp.to_i(16)).to_s(16), solve)
|
||||
len = len - 1
|
||||
}
|
||||
return solve
|
||||
end
|
||||
|
Loading…
Reference in New Issue
Block a user